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ZSI_Reconnect_China/PATSTAT/CPC_data/CPCSchemeXML202302/cpc-scheme-G05D.xml

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<class-scheme publication-date="2023-02-01" scheme-type="cpc" publication-type="official">
<classification-item breakdown-code="false" not-allocatable="true" level="5" additional-only="false" sort-key="G05D" definition-exists="true" date-revised="2023-01-01" status="published"><classification-symbol>G05D</classification-symbol><class-title date-revised="2023-01-01"><title-part><text>SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES</text></title-part></class-title><notes-and-warnings date-revised="2013-01-01"><note type="note"><note-paragraph> This subclass <u>does not cover</u> features of general applicability to regulating systems, e.g. anti-hunting arrangements, which are covered by subclass <class-ref scheme="cpc">G05B</class-ref>.</note-paragraph><note-paragraph> In this subclass, the following term is used with the meaning indicated:<subnote type="bullet"><note-paragraph>&quot;systems&quot; includes self-contained devices such as speed governors, pressure regulators. </note-paragraph></subnote></note-paragraph><note-paragraph> Control systems specially adapted for particular apparatus, machines or processes are classified in the subclasses for the apparatus, machines or processes, provided that there is specific provision for control or regulation relevant to the special adaptation, either at a detailed level, e.g. <class-ref scheme="cpc">A21B1/40</class-ref>: &quot;for regulating temperature in bakers&apos; ovens&quot;, or at a general level, e.g. <class-ref scheme="cpc">B23K9/095</class-ref>: &quot;for automatic control of welding parameters in arc welding&quot;. Otherwise, classification is made in the most appropriate place in this subclass. </note-paragraph></note><note type="warning"><note-paragraph>In this subclass non-limiting references (in the sense of paragraph 39 of the Guide to the IPC) may still be displayed in the scheme.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="true" level="6" additional-only="false" sort-key="G05D1/00" date-revised="2013-01-01" status="published"><classification-symbol>G05D1/00</classification-symbol>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="G05D1/00" definition-exists="true" ipc-concordant="G05D1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2019-01-01" status="published"><classification-symbol>G05D1/00</classification-symbol><class-title date-revised="2019-01-01"><title-part><text>Control of position, course or altitude of land, water, air, or space vehicles, e.g. automatic pilot </text><reference><text>radio navigation systems or analogous systems using other waves <class-ref scheme="cpc">G01S</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G05D1/0005" definition-exists="false" ipc-concordant="G05D1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D1/0005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with arrangements to save energy</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G05D1/0011" definition-exists="false" ipc-concordant="G05D1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D1/0011</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>associated with a remote control arrangement</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G05D1/0016" definition-exists="false" ipc-concordant="G05D1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D1/0016</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by the operator&apos;s input device </text><reference><text>input arrangements for computing systems in general <class-ref scheme="cpc">G06F3/00</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G05D1/0022" definition-exists="false" ipc-concordant="G05D1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D1/0022</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by the communication link </text><reference><text>data switching networks in general <class-ref scheme="cpc">H04L12/00</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G05D1/0027" definition-exists="false" ipc-concordant="G05D1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D1/0027</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>involving a plurality of vehicles, e.g. fleet or convoy travelling </text><reference><text>traffic control systems for road vehicles <class-ref scheme="cpc">G08G1/00</class-ref> ; for marine craft <class-ref scheme="cpc">G08G3/00</class-ref> ; for aircraft <class-ref scheme="cpc">G08G5/00</class-ref> ; fleet control of land vehicles from a control room <class-ref scheme="cpc">G05D1/0297</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G05D1/0033" definition-exists="false" ipc-concordant="G05D1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D1/0033</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by having the operator tracking the vehicle either by direct line of sight or via one or more cameras located remotely from the vehicle</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G05D1/0038" definition-exists="false" ipc-concordant="G05D1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D1/0038</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by providing the operator with simple or augmented images from one or more cameras located onboard the vehicle, e.g. tele-operation </text><reference><text>images analyzed by a computer and used for automatic navigation <class-ref scheme="cpc">G05D1/0246</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G05D1/0044" definition-exists="false" ipc-concordant="G05D1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D1/0044</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by providing the operator with a computer generated representation of the environment of the vehicle, e.g. virtual reality, maps </text><reference><text>maps used for automatic navigation <class-ref scheme="cpc">G05D1/0274</class-ref> ; flight directors <class-ref scheme="cpc">G01C23/005</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G05D1/005" definition-exists="false" ipc-concordant="G05D1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D1/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by providing the operator with signals other than visual, e.g. acoustic, haptic</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G05D1/0055" definition-exists="false" ipc-concordant="G05D1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D1/0055</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with safety arrangements</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G05D1/0061" definition-exists="false" ipc-concordant="G05D1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2020-02-01" status="published"><classification-symbol>G05D1/0061</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for transition from automatic pilot to manual pilot and <u>vice versa</u></text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">G05D1/0061</class-ref> is impacted by reclassification into groups <class-ref scheme="cpc">B60W10/00</class-ref> - <class-ref scheme="cpc">B60W50/16</class-ref>, <class-ref scheme="cpc">B60W60/005</class-ref> - <class-ref scheme="cpc">B60W60/0061</class-ref>, <class-ref scheme="cpc">B60W2300/00</class-ref> - <class-ref scheme="cpc">B60W2530/213</class-ref>, <class-ref scheme="cpc">B60W2540/041</class-ref> - <class-ref scheme="cpc">B60W2540/049</class-ref>, <class-ref scheme="cpc">B60W2552/00</class-ref> - <class-ref scheme="cpc">B60W2556/65</class-ref>, <class-ref scheme="cpc">B60W2710/00</class-ref> - <class-ref scheme="cpc">B60W2720/406</class-ref>, and <class-ref scheme="cpc">B60W2754/00</class-ref> - <class-ref scheme="cpc">B60W2900/00</class-ref>.<br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G05D1/0066" definition-exists="false" ipc-concordant="G05D1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D1/0066</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for limitation of acceleration or stress</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G05D1/0072" definition-exists="false" ipc-concordant="G05D1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D1/0072</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>to counteract a motor failure</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G05D1/0077" definition-exists="false" ipc-concordant="G05D1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D1/0077</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using redundant signals or controls</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G05D1/0083" definition-exists="false" ipc-concordant="G05D1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D1/0083</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>to help an aircraft pilot in the rolling phase</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G05D1/0088" definition-exists="false" ipc-concordant="G05D1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2020-02-01" status="published"><classification-symbol>G05D1/0088</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterized by the autonomous decision making process, e.g. artificial intelligence, predefined behaviours </text><reference><text>using knowledge based models <class-ref scheme="cpc">G06N5/00</class-ref></text></reference></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">G05D1/0088</class-ref> is impacted by reclassification into groups <class-ref scheme="cpc">B60W10/00</class-ref> - <class-ref scheme="cpc">B60W60/00276</class-ref>, <class-ref scheme="cpc">B60W2300/00</class-ref> - <class-ref scheme="cpc">B60W2530/213</class-ref>, <class-ref scheme="cpc">B60W2540/041</class-ref> - <class-ref scheme="cpc">B60W2540/049</class-ref>, <class-ref scheme="cpc">B60W2552/00</class-ref> - <class-ref scheme="cpc">B60W2556/65</class-ref>, <class-ref scheme="cpc">B60W2710/00</class-ref> - <class-ref scheme="cpc">B60W2720/406</class-ref>, and <class-ref scheme="cpc">B60W2754/00</class-ref> - <class-ref scheme="cpc">B60W2900/00</class-ref>.<br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G05D1/0094" definition-exists="false" ipc-concordant="G05D1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D1/0094</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>involving pointing a payload, e.g. camera, weapon, sensor, towards a fixed or moving target</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G05D1/02" definition-exists="false" ipc-concordant="G05D1/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D1/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Control of position or course in two dimensions</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G05D1/0202" definition-exists="false" ipc-concordant="G05D1/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D1/0202</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>specially adapted to aircraft</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G05D1/0204" definition-exists="false" ipc-concordant="G05D1/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D1/0204</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>to counteract a sudden perturbation, e.g. cross-wind, gust</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G05D1/0206" definition-exists="false" ipc-concordant="G05D1/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D1/0206</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>specially adapted to water vehicles</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G05D1/0208" definition-exists="false" ipc-concordant="G05D1/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D1/0208</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>dynamic anchoring</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G05D1/021" definition-exists="false" ipc-concordant="G05D1/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2020-02-01" status="published"><classification-symbol>G05D1/021</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>specially adapted to land vehicles</text></CPC-specific-text></title-part></class-title><notes-and-warnings date-revised="2013-01-01"><note type="note"><note-paragraph> This group <u>covers</u> control of position or course in two dimensions specially adapted for land vehicles, i.e. control systems to define a trajectory for a land vehicle, and to take suitable actions to make the vehicle follow said trajectory. </note-paragraph><note-paragraph> Relationships with other classification places. <br/> Subclass <class-ref scheme="cpc">G01C</class-ref> covers navigation in general, i.e. determining the position and course of land vehicles, ships, aircraft, and space vehicles. <br/> Subclass <class-ref scheme="cpc">G01S</class-ref> covers radio, sonar or lidar navigation systems, i.e. navigation by use of radio, acoustic or optical waves, or analogue arrangements using other electromagnetic waves. <br/> Subclass <class-ref scheme="cpc">G08G</class-ref> covers navigation systems for traffic control purposes, i.e. systems in which the navigation is not performed autonomously by or in the vehicle, but where the vehicles are guided by instructions transmitted to them. <br/> Aspects of navigation systems that are important <u>per se</u> should also be classified in the relevant groups of <class-ref scheme="cpc">G01C</class-ref> (see for example list under &quot;Informative References&quot; below). <br/> Aspects of radio, sonar or lidar navigation systems that are important <u>per se</u> should also be classified in the relevant groups of <class-ref scheme="cpc">G01S</class-ref> (see for example list under &quot;Informative References&quot; below). <br/> Aspects of navigation systems for traffic purposes that are important <u>per se</u> should also be classified in the relevant groups of <class-ref scheme="cpc">G08G</class-ref> (see for example list under &quot;Informative References&quot; below). </note-paragraph><note-paragraph> Informative References. <br/> Attention is drawn to the following places, which could be of interest for search: <subnote type="bullet"><note-paragraph>navigation, i.e. determining the position and course of land vehicles, ships, aircraft, and space vehicles <class-ref scheme="cpc">G01C21/00</class-ref></note-paragraph><note-paragraph>measuring distance traversed on the ground by vehicles, e.g. using odometers <class-ref scheme="cpc">G01C22/00</class-ref></note-paragraph><note-paragraph>position-fixing by co-ordinating a plurality of determinations of direction or position lines <class-ref scheme="cpc">G01S5/00</class-ref></note-paragraph><note-paragraph>determining distance or velocity using waves and not using reflection or reradiation of waves <class-ref scheme="cpc">G01S11/00</class-ref></note-paragraph><note-paragraph>radar systems specially designed for traffic control <class-ref scheme="cpc">G01S13/91</class-ref></note-paragraph><note-paragraph>radar systems specially designed for for anti-collision purposes <class-ref scheme="cpc">G01S13/93</class-ref></note-paragraph><note-paragraph>sonar systems specially designed for for anti-collision purposes <class-ref scheme="cpc">G01S15/93</class-ref></note-paragraph><note-paragraph>lidar systems specially designed for for anti-collision purposes <class-ref scheme="cpc">G01S17/93</class-ref></note-paragraph><note-paragraph>traffic control systems for road vehicles <class-ref scheme="cpc">G08G1/00</class-ref></note-paragraph><note-paragraph>monitoring the location of fleet of vehicles in traffic control systems <class-ref scheme="cpc">G08G1/127</class-ref></note-paragraph><note-paragraph>anti-collision traffic control systems <class-ref scheme="cpc">G08G1/16</class-ref></note-paragraph></subnote></note-paragraph></note><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">G05D1/021</class-ref> is impacted by reclassification into groups <class-ref scheme="cpc">B60W10/00</class-ref> - <class-ref scheme="cpc">B60W60/00276</class-ref>, <class-ref scheme="cpc">B60W2300/00</class-ref> - <class-ref scheme="cpc">B60W2530/213</class-ref>, <class-ref scheme="cpc">B60W2540/041</class-ref> - <class-ref scheme="cpc">B60W2540/049</class-ref>, <class-ref scheme="cpc">B60W2552/00</class-ref> - <class-ref scheme="cpc">B60W2556/65</class-ref>, <class-ref scheme="cpc">B60W2710/00</class-ref> - <class-ref scheme="cpc">B60W2720/406</class-ref>, and <class-ref scheme="cpc">B60W2754/00</class-ref> - <class-ref scheme="cpc">B60W2900/00</class-ref>.<br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G05D1/0212" definition-exists="false" ipc-concordant="G05D1/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D1/0212</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with means for defining a desired trajectory </text><reference><text>involving a plurality of land vehicles <class-ref scheme="cpc">G05D1/0287</class-ref></text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G05D1/0214" definition-exists="false" ipc-concordant="G05D1/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2020-02-01" status="published"><classification-symbol>G05D1/0214</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>in accordance with safety or protection criteria, e.g. avoiding hazardous areas </text><reference><text>monitoring the location of vehicles within a certain area, e.g. forbidden or allowed areas, in traffic control systems for road vehicles <class-ref scheme="cpc">G08G1/13</class-ref></text></reference></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">G05D1/0214</class-ref> is impacted by reclassification into groups <class-ref scheme="cpc">B60W10/00</class-ref> - <class-ref scheme="cpc">B60W60/00276</class-ref>, <class-ref scheme="cpc">B60W2300/00</class-ref> - <class-ref scheme="cpc">B60W2530/213</class-ref>, <class-ref scheme="cpc">B60W2540/041</class-ref> - <class-ref scheme="cpc">B60W2540/049</class-ref>, <class-ref scheme="cpc">B60W2552/00</class-ref> - <class-ref scheme="cpc">B60W2556/65</class-ref>, <class-ref scheme="cpc">B60W2710/00</class-ref> - <class-ref scheme="cpc">B60W2720/406</class-ref>, and <class-ref scheme="cpc">B60W2754/00</class-ref> - <class-ref scheme="cpc">B60W2900/00</class-ref>.<br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G05D1/0217" definition-exists="false" ipc-concordant="G05D1/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D1/0217</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>in accordance with energy consumption, time reduction or distance reduction criteria</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G05D1/0219" definition-exists="false" ipc-concordant="G05D1/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D1/0219</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>ensuring the processing of the whole working surface</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G05D1/0221" definition-exists="false" ipc-concordant="G05D1/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2020-02-01" status="published"><classification-symbol>G05D1/0221</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>involving a learning process</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">G05D1/0221</class-ref> is impacted by reclassification into groups <class-ref scheme="cpc">B60W10/00</class-ref> - <class-ref scheme="cpc">B60W60/00276</class-ref>, <class-ref scheme="cpc">B60W2300/00</class-ref> - <class-ref scheme="cpc">B60W2530/213</class-ref>, <class-ref scheme="cpc">B60W2540/041</class-ref> - <class-ref scheme="cpc">B60W2540/049</class-ref>, <class-ref scheme="cpc">B60W2552/00</class-ref> - <class-ref scheme="cpc">B60W2556/65</class-ref>, <class-ref scheme="cpc">B60W2710/00</class-ref> - <class-ref scheme="cpc">B60W2720/406</class-ref>, and <class-ref scheme="cpc">B60W2754/00</class-ref> - <class-ref scheme="cpc">B60W2900/00</class-ref>.<br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G05D1/0223" definition-exists="false" ipc-concordant="G05D1/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2020-02-01" status="published"><classification-symbol>G05D1/0223</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>involving speed control of the vehicle </text><reference><text>vehicle fittings for automatically controlling, i.e. preventing speed from exceeding an arbitrarily established velocity or maintaining speed at a particular velocity, as selected by the vehicle operator <class-ref scheme="cpc">B60K31/00</class-ref></text></reference></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">G05D1/0223</class-ref> is impacted by reclassification into groups <class-ref scheme="cpc">B60W10/00</class-ref> - <class-ref scheme="cpc">B60W60/00276</class-ref>, <class-ref scheme="cpc">B60W2300/00</class-ref> - <class-ref scheme="cpc">B60W2530/213</class-ref>, <class-ref scheme="cpc">B60W2540/041</class-ref> - <class-ref scheme="cpc">B60W2540/049</class-ref>, <class-ref scheme="cpc">B60W2552/00</class-ref> - <class-ref scheme="cpc">B60W2556/65</class-ref>, <class-ref scheme="cpc">B60W2710/00</class-ref> - <class-ref scheme="cpc">B60W2720/406</class-ref>, and <class-ref scheme="cpc">B60W2754/00</class-ref> - <class-ref scheme="cpc">B60W2900/00</class-ref>.<br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G05D1/0225" definition-exists="false" ipc-concordant="G05D1/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D1/0225</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>involving docking at a fixed facility, e.g. base station or loading bay </text><reference><text>parking aids <class-ref scheme="cpc">B62D15/027</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G05D1/0227" definition-exists="false" ipc-concordant="G05D1/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D1/0227</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using mechanical sensing means, e.g. for sensing treated area</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G05D1/0229" definition-exists="false" ipc-concordant="G05D1/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D1/0229</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>in combination with fixed guiding means</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G05D1/0231" definition-exists="false" ipc-concordant="G05D1/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D1/0231</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using optical position detecting means </text><reference><text>position-fixing by using electromagnetic waves other than radio waves, e.g. optical position detecting means <class-ref scheme="cpc">G01S5/16</class-ref></text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G05D1/0234" definition-exists="false" ipc-concordant="G05D1/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D1/0234</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using optical markers or beacons </text><reference><text>optical beacons <u>per se</u> <class-ref scheme="cpc">G01S1/70</class-ref></text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="G05D1/0236" definition-exists="false" ipc-concordant="G05D1/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D1/0236</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>in combination with a laser </text><reference><text>lasers <u>per se</u> <class-ref scheme="cpc">H01S</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G05D1/0238" definition-exists="false" ipc-concordant="G05D1/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D1/0238</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using obstacle or wall sensors </text><reference><text><class-ref scheme="cpc">G05D1/0246</class-ref> and <class-ref scheme="cpc">G05D1/0289</class-ref> take precedence; lidar systems designed for anti-collision purposes <class-ref scheme="cpc">G01S17/93</class-ref></text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="G05D1/024" definition-exists="false" ipc-concordant="G05D1/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D1/024</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>in combination with a laser </text><reference><text>lasers <u>per se</u> <class-ref scheme="cpc">H01S</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G05D1/0242" definition-exists="false" ipc-concordant="G05D1/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D1/0242</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using non-visible light signals, e.g. IR or UV signals</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G05D1/0244" definition-exists="false" ipc-concordant="G05D1/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D1/0244</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using reflecting strips</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G05D1/0246" definition-exists="false" ipc-concordant="G05D1/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2019-05-01" status="published"><classification-symbol>G05D1/0246</classification-symbol><class-title date-revised="2019-05-01"><title-part><CPC-specific-text><text>using a video camera in combination with image processing means</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="G05D1/0248" definition-exists="false" ipc-concordant="G05D1/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D1/0248</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>in combination with a laser </text><reference><text>lasers <u>per se</u> <class-ref scheme="cpc">H01S</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="G05D1/0251" definition-exists="false" ipc-concordant="G05D1/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-01-01" status="published"><classification-symbol>G05D1/0251</classification-symbol><class-title date-revised="2017-01-01"><title-part><CPC-specific-text><text>extracting 3D information from a plurality of images taken from different locations, e.g. stereo vision </text><reference><text>stereoscopic image analysis <class-ref scheme="cpc">H04N13/00</class-ref>; depth recovery from images <class-ref scheme="cpc">G06T7/593</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="G05D1/0253" definition-exists="false" ipc-concordant="G05D1/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-01-01" status="published"><classification-symbol>G05D1/0253</classification-symbol><class-title date-revised="2017-01-01"><title-part><CPC-specific-text><text>extracting relative motion information from a plurality of images taken successively, e.g. visual odometry, optical flow </text><reference><text>determining position or orientation from images <class-ref scheme="cpc">G06T7/70</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G05D1/0255" definition-exists="false" ipc-concordant="G05D1/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D1/0255</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using acoustic signals, e.g. ultra-sonic singals </text><reference><text>sonar systems designed for anti-collision purposes <class-ref scheme="cpc">G01S15/93</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G05D1/0257" definition-exists="false" ipc-concordant="G05D1/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D1/0257</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using a radar </text><reference><text>radar systems designed for anti-collision purposes between land vehicles or between land vehicle and fixed obstacles <class-ref scheme="cpc">G01S13/931</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G05D1/0259" definition-exists="false" ipc-concordant="G05D1/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D1/0259</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using magnetic or electromagnetic means</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G05D1/0261" definition-exists="false" ipc-concordant="G05D1/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D1/0261</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using magnetic plots</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G05D1/0263" definition-exists="false" ipc-concordant="G05D1/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D1/0263</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using magnetic strips</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G05D1/0265" definition-exists="false" ipc-concordant="G05D1/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D1/0265</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using buried wires</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G05D1/0268" definition-exists="false" ipc-concordant="G05D1/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D1/0268</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using internal positioning means</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G05D1/027" definition-exists="false" ipc-concordant="G05D1/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D1/027</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>comprising intertial navigation means, e.g. azimuth detector </text><reference><text>inertial navigation <class-ref scheme="cpc">G01C21/16</class-ref> ; inertial navigation combined with non-inertial navigation instruments <class-ref scheme="cpc">G01C21/165</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G05D1/0272" definition-exists="false" ipc-concordant="G05D1/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D1/0272</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>comprising means for registering the travel distance, e.g. revolutions of wheels </text><reference><text>measuring distance traversed on the ground by vehicles, e.g. using odometers <class-ref scheme="cpc">G01C22/00</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G05D1/0274" definition-exists="false" ipc-concordant="G05D1/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D1/0274</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using mapping information stored in a memory device </text><reference><text>navigation using map-matching <class-ref scheme="cpc">G01C21/30</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G05D1/0276" definition-exists="false" ipc-concordant="G05D1/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D1/0276</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using signals provided by a source external to the vehicle </text><reference><text>involving a plurality of vehicles <class-ref scheme="cpc">G05D1/0287</class-ref> ; automatically controlling vehicle speed responsive to exernally generated signals <class-ref scheme="cpc">B60K31/0058</class-ref></text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G05D1/0278" definition-exists="false" ipc-concordant="G05D1/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D1/0278</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using satellite positioning signals, e.g. GPS</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G05D1/028" definition-exists="false" ipc-concordant="G05D1/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D1/028</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using a RF signal</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="G05D1/0282" definition-exists="false" ipc-concordant="G05D1/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D1/0282</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>generated in a local control room</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G05D1/0285" definition-exists="false" ipc-concordant="G05D1/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D1/0285</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using signals transmitted via a public communication network, e.g. GSM network</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G05D1/0287" definition-exists="false" ipc-concordant="G05D1/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D1/0287</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>involving a plurality of land vehicles, e.g. fleet or convoy travelling </text><reference><text>traffic control systems for road vehicles <class-ref scheme="cpc">G08G1/00</class-ref>, particularly anticollision systems <class-ref scheme="cpc">G08G1/16</class-ref></text></reference></CPC-specific-text></title-part></class-title><notes-and-warnings date-revised="2013-01-01"><note type="note"><note-paragraph> In this group, the following terms or expressions are used with the meaning indicated: <subnote type="bullet"><note-paragraph>fleet means a plurality of vehicles controlled in a coordinated manner or under unified control;</note-paragraph><note-paragraph>convoy (or platooning) means a plurality of vehicles following an identical trajectory, said vehicles being separated by a predetermined distance maintained by a control system </note-paragraph></subnote></note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G05D1/0289" definition-exists="false" ipc-concordant="G05D1/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D1/0289</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with means for avoiding collisions between vehicles </text><reference><text>vehicle fittings for automatically controlling speed inclusing means for detecting potential obstacles <class-ref scheme="cpc">B60K31/0008</class-ref> ; avoiding obstacles by action on the steering system <class-ref scheme="cpc">B62D</class-ref> ; radar, sonar, lidar systems designed for anti-collision purposes <class-ref scheme="cpc">G01S13/93</class-ref>, <class-ref scheme="cpc">G01S15/93</class-ref>, <class-ref scheme="cpc">G01S17/93</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G05D1/0291" definition-exists="false" ipc-concordant="G05D1/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D1/0291</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Fleet control </text><reference><text>monitoring fleets in traffic control systems for road vehicles <class-ref scheme="cpc">G08G1/127</class-ref>, <class-ref scheme="cpc">G08G1/127</class-ref></text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="G05D1/0293" definition-exists="false" ipc-concordant="G05D1/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D1/0293</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Convoy travelling</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="G05D1/0295" definition-exists="false" ipc-concordant="G05D1/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D1/0295</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by at least one leading vehicle of the fleet</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="G05D1/0297" definition-exists="false" ipc-concordant="G05D1/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D1/0297</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by controlling means in a control room</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G05D1/03" definition-exists="false" ipc-concordant="G05D1/03" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D1/03</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using near-field transmission systems, e.g. inductive-loop type </text><CPC-specific-text><reference><text><class-ref scheme="cpc">G05D1/021</class-ref> and subgroups take precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G05D1/04" definition-exists="false" ipc-concordant="G05D1/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D1/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Control of altitude or depth</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G05D1/042" definition-exists="false" ipc-concordant="G05D1/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D1/042</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>specially adapted for aircraft</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G05D1/044" definition-exists="false" ipc-concordant="G05D1/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D1/044</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>during banks</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G05D1/046" definition-exists="false" ipc-concordant="G05D1/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D1/046</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>to counteract a perturbation, e.g. gust of wind</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G05D1/048" definition-exists="false" ipc-concordant="G05D1/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D1/048</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>specially adapted for water vehicles</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G05D1/06" definition-exists="false" ipc-concordant="G05D1/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>G05D1/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Rate of change of altitude or depth</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G05D1/0607" definition-exists="false" ipc-concordant="G05D1/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>G05D1/0607</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>specially adapted for aircraft</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G05D1/0615" definition-exists="false" ipc-concordant="G05D1/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D1/0615</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>to counteract a perturbation, e.g. gust of wind</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="G05D1/0623" definition-exists="false" ipc-concordant="G05D1/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D1/0623</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by acting on the pitch</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="G05D1/063" definition-exists="false" ipc-concordant="G05D1/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D1/063</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by acting on the motors</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="G05D1/0638" definition-exists="false" ipc-concordant="G05D1/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D1/0638</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by combined action on the pitch and on the motors</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G05D1/0646" definition-exists="false" ipc-concordant="G05D1/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D1/0646</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>to follow the profile of undulating ground</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G05D1/0653" definition-exists="false" ipc-concordant="G05D1/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D1/0653</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>during a phase of take-off or landing</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="G05D1/0661" definition-exists="false" ipc-concordant="G05D1/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D1/0661</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>specially adapted for take-off</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="G05D1/0669" definition-exists="false" ipc-concordant="G05D1/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D1/0669</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>specially adapted for vertical take-off</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="G05D1/0676" definition-exists="false" ipc-concordant="G05D1/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D1/0676</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>specially adapted for landing</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="G05D1/0684" definition-exists="false" ipc-concordant="G05D1/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D1/0684</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>on a moving platform, e.g. aircraft carrier</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G05D1/0688" definition-exists="false" ipc-concordant="G05D1/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>G05D1/0688</classification-symbol><class-title date-revised="2019-05-01"><title-part><CPC-specific-text><text>Emergency descent</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G05D1/0692" definition-exists="false" ipc-concordant="G05D1/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D1/0692</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>specially adapted for under-water vehicles</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G05D1/08" definition-exists="false" ipc-concordant="G05D1/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D1/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Control of attitude, i.e. control of roll, pitch, or yaw</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G05D1/0808" definition-exists="false" ipc-concordant="G05D1/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D1/0808</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>specially adapted for aircraft</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G05D1/0816" definition-exists="false" ipc-concordant="G05D1/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D1/0816</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>to ensure stability</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G05D1/0825" definition-exists="false" ipc-concordant="G05D1/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D1/0825</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using mathematical models</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G05D1/0833" definition-exists="false" ipc-concordant="G05D1/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D1/0833</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using limited authority control</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G05D1/0841" definition-exists="false" ipc-concordant="G05D1/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D1/0841</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>to prevent a coupling between different modes</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G05D1/085" definition-exists="false" ipc-concordant="G05D1/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D1/085</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>to ensure coordination between different movements</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G05D1/0858" definition-exists="false" ipc-concordant="G05D1/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D1/0858</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>specially adapted for vertical take-off of aircraft</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G05D1/0866" definition-exists="false" ipc-concordant="G05D1/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D1/0866</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>specially adapted to captive aircraft</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G05D1/0875" definition-exists="false" ipc-concordant="G05D1/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D1/0875</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>specially adapted to water vehicles</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G05D1/0891" definition-exists="false" ipc-concordant="G05D1/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D1/0891</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>specially adapted for land vehicles</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G05D1/10" definition-exists="false" ipc-concordant="G05D1/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>G05D1/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Simultaneous control of position or course in three dimensions </text><reference><text><class-ref scheme="cpc">G05D1/12</class-ref> takes precedence</text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G05D1/101" definition-exists="false" ipc-concordant="G05D1/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>G05D1/101</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>specially adapted for aircraft</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G05D1/102" definition-exists="false" ipc-concordant="G05D1/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D1/102</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>specially adapted for vertical take-off of aircraft</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G05D1/104" definition-exists="false" ipc-concordant="G05D1/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D1/104</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>involving a plurality of aircrafts, e.g. formation flying </text><reference><text>traffic control systems for aircraft <class-ref scheme="cpc">G08G5/00</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G05D1/105" definition-exists="false" ipc-concordant="G05D1/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>G05D1/105</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>specially adapted for unpowered flight, e.g. glider, parachuting, forced landing </text><reference><text>parachutes <u>per se</u> <class-ref scheme="cpc">B64D17/00</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G05D1/106" definition-exists="false" ipc-concordant="G05D1/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>G05D1/106</classification-symbol><class-title date-revised="2019-05-01"><title-part><CPC-specific-text><text>Change initiated in response to external conditions, e.g. avoidance of elevated terrain or of no-fly zones</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G05D1/1062" definition-exists="false" ipc-concordant="G05D1/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>G05D1/1062</classification-symbol><class-title date-revised="2019-05-01"><title-part><CPC-specific-text><text>specially adapted for avoiding bad weather conditions</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G05D1/1064" definition-exists="false" ipc-concordant="G05D1/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>G05D1/1064</classification-symbol><class-title date-revised="2019-05-01"><title-part><CPC-specific-text><text>specially adapted for avoiding collisions with other aircraft</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G05D1/107" definition-exists="false" ipc-concordant="G05D1/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D1/107</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>specially adapted for missiles</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G05D1/108" definition-exists="false" ipc-concordant="G05D1/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D1/108</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>animated with a rolling movement</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G05D1/12" definition-exists="true" ipc-concordant="G05D1/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>G05D1/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Target-seeking control</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="G05D3/00" definition-exists="true" ipc-concordant="G05D3/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2023-01-01" status="published"><classification-symbol>G05D3/00</classification-symbol><class-title date-revised="2023-01-01"><title-part><text>Control of position or direction </text><reference><text><class-ref scheme="cpc">G05D1/00</class-ref> takes precedence; numerical control to execute positioning <class-ref scheme="cpc">G05B19/18</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G05D3/10" definition-exists="false" ipc-concordant="G05D3/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D3/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>without using feedback</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G05D3/105" definition-exists="false" ipc-concordant="G05D3/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D3/105</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Solar tracker</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G05D3/12" definition-exists="true" ipc-concordant="G05D3/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D3/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using feedback</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G05D3/121" definition-exists="false" ipc-concordant="G05D3/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D3/121</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using synchromachines (selsyns)</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G05D3/122" definition-exists="false" ipc-concordant="G05D3/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D3/122</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>without modulation</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G05D3/124" definition-exists="false" ipc-concordant="G05D3/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D3/124</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with modulation</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G05D3/125" definition-exists="false" ipc-concordant="G05D3/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D3/125</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using discrete position sensor</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G05D3/127" definition-exists="false" ipc-concordant="G05D3/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D3/127</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with electrical contact</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G05D3/128" definition-exists="false" ipc-concordant="G05D3/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D3/128</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using clutch or brake</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G05D3/14" definition-exists="false" ipc-concordant="G05D3/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D3/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using an analogue comparing device</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G05D3/1409" definition-exists="false" ipc-concordant="G05D3/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D3/1409</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with dc amplifier chain</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G05D3/1418" definition-exists="false" ipc-concordant="G05D3/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D3/1418</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with ac amplifier chain</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G05D3/1427" definition-exists="false" ipc-concordant="G05D3/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D3/1427</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with non-linear amplifier chain</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G05D3/1436" definition-exists="false" ipc-concordant="G05D3/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D3/1436</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with fine or coarse devices</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G05D3/1445" definition-exists="false" ipc-concordant="G05D3/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D3/1445</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with a plurality of loops</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G05D3/1454" definition-exists="false" ipc-concordant="G05D3/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D3/1454</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using models or predicting devices</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G05D3/1463" definition-exists="false" ipc-concordant="G05D3/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D3/1463</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using PID devices</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G05D3/1472" definition-exists="false" ipc-concordant="G05D3/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D3/1472</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with potentiometer</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G05D3/1481" definition-exists="false" ipc-concordant="G05D3/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D3/1481</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with discrete position sensor</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G05D3/149" definition-exists="false" ipc-concordant="G05D3/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D3/149</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with clutch or brake</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G05D3/16" definition-exists="false" ipc-concordant="G05D3/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D3/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>whose output amplitude can only take a number of discrete values </text><reference><text><class-ref scheme="cpc">G05D3/18</class-ref> takes precedence</text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G05D3/165" definition-exists="false" ipc-concordant="G05D3/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D3/165</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using clutch or brake</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G05D3/18" definition-exists="false" ipc-concordant="G05D3/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D3/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>delivering a series of pulses</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G05D3/183" definition-exists="false" ipc-concordant="G05D3/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D3/183</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using stepping motor</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G05D3/186" definition-exists="false" ipc-concordant="G05D3/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D3/186</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using clutch or brake</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G05D3/20" definition-exists="false" ipc-concordant="G05D3/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D3/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using a digital comparing device</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G05D3/203" definition-exists="false" ipc-concordant="G05D3/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D3/203</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using fine or coarse devices</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G05D3/206" definition-exists="false" ipc-concordant="G05D3/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D3/206</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using clutch or brakes</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="G05D5/00" definition-exists="true" ipc-concordant="G05D5/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D5/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Control of dimensions of material</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G05D5/02" definition-exists="false" ipc-concordant="G05D5/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D5/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of thickness, e.g. of rolled material </text><reference><text>of specific materials <class-ref scheme="cpc">B21B</class-ref>, <class-ref scheme="cpc">B29C</class-ref>, <class-ref scheme="cpc">B32B</class-ref>, <class-ref scheme="cpc">C03B</class-ref>, <class-ref scheme="cpc">D21F</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G05D5/03" definition-exists="false" ipc-concordant="G05D5/03" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D5/03</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterised by the use of electric means</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G05D5/04" definition-exists="false" ipc-concordant="G05D5/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D5/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of the size of items, e.g. of particles</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G05D5/06" definition-exists="false" ipc-concordant="G05D5/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D5/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterised by the use of electric means</text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="G05D7/00" definition-exists="true" ipc-concordant="G05D7/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2023-01-01" status="published"><classification-symbol>G05D7/00</classification-symbol><class-title date-revised="2023-01-01"><title-part><text>Control of flow </text><reference><text>level control <class-ref scheme="cpc">G05D9/00</class-ref>; control of flow ratio <class-ref scheme="cpc">G05D11/00</class-ref></text></reference></title-part></class-title><notes-and-warnings><note type="note"><note-paragraph>In groups <class-ref scheme="cpc">G05D7/0629</class-ref> - <class-ref scheme="cpc">G05D7/0694</class-ref>, the last place priority rule is applied, i.e. at each hierarchical level, in the absence of an indication to the contrary, classification is made in the last appropriate place.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G05D7/005" definition-exists="false" ipc-concordant="G05D7/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D7/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by the use of auxiliary non-electric power combined with the use of electric means</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G05D7/01" definition-exists="false" ipc-concordant="G05D7/01" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D7/01</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>without auxiliary power</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G05D7/0106" definition-exists="false" ipc-concordant="G05D7/01" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D7/0106</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the sensing element being a flexible member, e.g. bellows, diaphragm, capsule</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G05D7/0113" definition-exists="false" ipc-concordant="G05D7/01" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D7/0113</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the sensing element acting as a valve</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G05D7/012" definition-exists="false" ipc-concordant="G05D7/01" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D7/012</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the sensing element being deformable and acting as a valve</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G05D7/0126" definition-exists="false" ipc-concordant="G05D7/01" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D7/0126</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the sensing element being a piston or plunger associated with one or more springs</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G05D7/0133" definition-exists="false" ipc-concordant="G05D7/01" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D7/0133</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>within the flow-path</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G05D7/014" definition-exists="false" ipc-concordant="G05D7/01" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D7/014</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using sliding elements</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G05D7/0146" definition-exists="false" ipc-concordant="G05D7/01" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D7/0146</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the in-line sensing element being a piston or float without flexible member or spring</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G05D7/0153" definition-exists="false" ipc-concordant="G05D7/01" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D7/0153</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using slidable elements</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G05D7/016" definition-exists="false" ipc-concordant="G05D7/01" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D7/016</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the sensing element being a ball</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G05D7/0166" definition-exists="false" ipc-concordant="G05D7/01" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D7/0166</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the sensing element being a float or a ball placed outside the flow path to be controlled</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G05D7/0173" definition-exists="false" ipc-concordant="G05D7/01" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D7/0173</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using pivoting sensing element acting as a valve mounted within the flow-path</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G05D7/018" definition-exists="false" ipc-concordant="G05D7/01" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D7/018</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using rotary sensing element</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G05D7/0186" definition-exists="false" ipc-concordant="G05D7/01" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D7/0186</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>without moving parts</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G05D7/0193" definition-exists="false" ipc-concordant="G05D7/01" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D7/0193</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using hydraulic or pneumatic amplifiers, relays or transmitters</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G05D7/03" definition-exists="false" ipc-concordant="G05D7/03" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D7/03</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with auxiliary non-electric power </text><CPC-specific-text><reference><text><class-ref scheme="cpc">G05D7/005</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G05D7/06" definition-exists="false" ipc-concordant="G05D7/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D7/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterised by the use of electric means </text><CPC-specific-text><reference><text><class-ref scheme="cpc">G05D7/005</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G05D7/0605" definition-exists="false" ipc-concordant="G05D7/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D7/0605</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>specially adapted for solid materials</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G05D7/0611" definition-exists="false" ipc-concordant="G05D7/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D7/0611</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by the set value given to the control element</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G05D7/0617" definition-exists="false" ipc-concordant="G05D7/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D7/0617</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>specially adapted for fluid materials</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G05D7/0623" definition-exists="false" ipc-concordant="G05D7/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D7/0623</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by the set value given to the control element</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G05D7/0629" definition-exists="false" ipc-concordant="G05D7/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D7/0629</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by the type of regulator means</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G05D7/0635" definition-exists="false" ipc-concordant="G05D7/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D7/0635</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by action on throttling means </text><reference><text><class-ref scheme="cpc">G05D7/0688</class-ref>, <class-ref scheme="cpc">G05D7/0694</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="G05D7/0641" definition-exists="false" ipc-concordant="G05D7/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D7/0641</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using a plurality of throttling means </text><reference><text><class-ref scheme="cpc">G05D7/067</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="G05D7/0647" definition-exists="false" ipc-concordant="G05D7/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D7/0647</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the plurality of throttling means being arranged in series</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="G05D7/0652" definition-exists="false" ipc-concordant="G05D7/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D7/0652</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the plurality of throttling means being arranged in parallel</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="G05D7/0658" definition-exists="false" ipc-concordant="G05D7/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D7/0658</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the plurality of throttling means being arranged for the control of a single flow from a plurality of converging flows </text><reference><text><class-ref scheme="cpc">G05D7/0652</class-ref> takes precedence; ratio control <class-ref scheme="cpc">G05D11/13</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="G05D7/0664" definition-exists="false" ipc-concordant="G05D7/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D7/0664</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the plurality of throttling means being arranged for the control of a plurality of diverging flows from a single flow </text><reference><text><class-ref scheme="cpc">G05D7/0652</class-ref> takes precedence; ratio control <class-ref scheme="cpc">G05D11/13</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="G05D7/067" definition-exists="false" ipc-concordant="G05D7/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D7/067</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by free surface flow </text><reference><text>open channel water distribution systems <class-ref scheme="cpc">E02B13/00</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G05D7/0676" definition-exists="false" ipc-concordant="G05D7/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D7/0676</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by action on flow sources </text><reference><text><class-ref scheme="cpc">G05D7/0688</class-ref>, <class-ref scheme="cpc">G05D7/0694</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="G05D7/0682" definition-exists="false" ipc-concordant="G05D7/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D7/0682</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using a plurality of flow sources</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G05D7/0688" definition-exists="false" ipc-concordant="G05D7/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D7/0688</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by combined action on throttling means and flow sources </text><reference><text><class-ref scheme="cpc">G05D7/0694</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G05D7/0694" definition-exists="false" ipc-concordant="G05D7/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>G05D7/0694</classification-symbol><class-title date-revised="2017-08-01"><title-part><CPC-specific-text><text>by action on throttling means or flow sources of very small size, e.g. microfluidics </text><reference><text>microvalves <class-ref scheme="cpc">F16K99/0001</class-ref>; microstructural devices <u>per se</u> <class-ref scheme="cpc">B81B</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="G05D9/00" definition-exists="true" ipc-concordant="G05D9/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2023-01-01" status="published"><classification-symbol>G05D9/00</classification-symbol><class-title date-revised="2023-01-01"><title-part><text>Level control, e.g. controlling quantity of material stored in vessel</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G05D9/02" definition-exists="false" ipc-concordant="G05D9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D9/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>without auxiliary power</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G05D9/04" definition-exists="false" ipc-concordant="G05D9/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D9/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with auxiliary non-electric power</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G05D9/12" definition-exists="false" ipc-concordant="G05D9/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D9/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterised by the use of electric means</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="G05D11/00" definition-exists="true" ipc-concordant="G05D11/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2023-01-01" status="published"><classification-symbol>G05D11/00</classification-symbol><class-title date-revised="2023-01-01"><title-part><text>Control of flow ratio </text><reference><text>control of chemical or physico-chemical variables, e.g. pH-value,&#160;<class-ref scheme="cpc">G05D21/00</class-ref>; control of humidity&#160;<class-ref scheme="cpc">G05D22/00</class-ref>; control of temperature by varying the mixing ratio of two fluids having different temperatures <class-ref scheme="cpc">G05D23/13</class-ref>; control of viscosity <class-ref scheme="cpc">G05D24/00</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G05D11/001" definition-exists="false" ipc-concordant="G05D11/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D11/001</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with discontinuous action</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G05D11/003" definition-exists="false" ipc-concordant="G05D11/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D11/003</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using interconnected flow control elements</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G05D11/005" definition-exists="false" ipc-concordant="G05D11/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D11/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using synchronised pumps</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G05D11/006" definition-exists="false" ipc-concordant="G05D11/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D11/006</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>involving a first fluid acting on the feeding of a second fluid</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G05D11/008" definition-exists="false" ipc-concordant="G05D11/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D11/008</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>involving a fluid operating a pump motor</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G05D11/02" definition-exists="false" ipc-concordant="G05D11/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D11/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Controlling ratio of two or more flows of fluid or fluent material</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G05D11/03" definition-exists="false" ipc-concordant="G05D11/03" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D11/03</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>without auxiliary power</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G05D11/035" definition-exists="false" ipc-concordant="G05D11/035" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D11/035</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with auxiliary non-electric power</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G05D11/04" definition-exists="false" ipc-concordant="G05D11/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D11/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by sensing weight of individual components, e.g. gravimetric procedure</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G05D11/06" definition-exists="false" ipc-concordant="G05D11/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D11/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by sensing density of mixture, e.g. using aerometer</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G05D11/08" definition-exists="false" ipc-concordant="G05D11/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D11/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by sensing concentration of mixture, e.g. measuring pH value</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G05D11/10" definition-exists="false" ipc-concordant="G05D11/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D11/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by sensing moisture of non-aqueous liquids</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G05D11/12" definition-exists="false" ipc-concordant="G05D11/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D11/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by sensing viscosity of mixture</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G05D11/13" definition-exists="false" ipc-concordant="G05D11/13" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D11/13</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterised by the use of electric means</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G05D11/131" definition-exists="false" ipc-concordant="G05D11/13" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D11/131</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by measuring the values related to the quantity of the individual components </text><reference><text><class-ref scheme="cpc">G05D11/139</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G05D11/132" definition-exists="false" ipc-concordant="G05D11/13" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D11/132</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by controlling the flow of the individual components </text><reference><text><class-ref scheme="cpc">G05D11/133</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G05D11/133" definition-exists="false" ipc-concordant="G05D11/13" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D11/133</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with discontinuous action</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="G05D11/134" definition-exists="false" ipc-concordant="G05D11/13" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D11/134</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by sensing the weight of the individual components</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G05D11/135" definition-exists="false" ipc-concordant="G05D11/13" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D11/135</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by sensing at least one property of the mixture </text><reference><text><class-ref scheme="cpc">G05D11/139</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G05D11/136" definition-exists="false" ipc-concordant="G05D11/13" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D11/136</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by sensing the viscosity</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G05D11/137" definition-exists="false" ipc-concordant="G05D11/13" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D11/137</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by sensing the density of the mixture</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G05D11/138" definition-exists="false" ipc-concordant="G05D11/13" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D11/138</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by sensing the concentration of the mixture, e.g. measuring pH value</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G05D11/139" definition-exists="false" ipc-concordant="G05D11/13" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D11/139</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by measuring a value related to the quantity of the individual components and sensing at least one property of the mixture</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G05D11/16" definition-exists="false" ipc-concordant="G05D11/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D11/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Controlling mixing ratio of fluids having different temperatures, e.g. by sensing the temperature of a mixture of fluids having different viscosities</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="G05D13/00" definition-exists="true" ipc-concordant="G05D13/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2023-01-01" status="published"><classification-symbol>G05D13/00</classification-symbol><class-title date-revised="2023-01-01"><title-part><text>Control of linear speed</text></title-part><title-part><text>Control of angular speed</text></title-part><title-part><text>Control of acceleration or deceleration, e.g. of a prime mover</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G05D13/02" definition-exists="false" ipc-concordant="G05D13/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D13/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Details</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G05D13/04" definition-exists="false" ipc-concordant="G05D13/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D13/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>providing for emergency tripping of an engine in case of exceeding maximum speed</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G05D13/06" definition-exists="false" ipc-concordant="G05D13/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D13/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>providing for damping of erratic vibrations in governors</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G05D13/08" definition-exists="false" ipc-concordant="G05D13/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D13/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>without auxiliary power</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G05D13/10" definition-exists="false" ipc-concordant="G05D13/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D13/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Centrifugal governors with fly-weights</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G05D13/12" definition-exists="false" ipc-concordant="G05D13/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D13/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Details</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G05D13/14" definition-exists="false" ipc-concordant="G05D13/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D13/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Fly weights</text></title-part><title-part><text>Mountings thereof</text></title-part><title-part><text>Adjusting equipment for limits, e.g. temporarily</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G05D13/16" definition-exists="false" ipc-concordant="G05D13/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D13/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Risers</text></title-part><title-part><text>Transmission gear therefor</text></title-part><title-part><text>Restoring mechanisms therefor</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G05D13/18" definition-exists="false" ipc-concordant="G05D13/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>G05D13/18</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>counterbalanced by spider springs acting immediately upon the fly-weights</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G05D13/20" definition-exists="false" ipc-concordant="G05D13/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D13/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>counterbalanced by spider springs acting upon the articulated riser</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G05D13/22" definition-exists="false" ipc-concordant="G05D13/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D13/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>counterbalanced by fluid pressure acting upon the articulated riser</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G05D13/24" definition-exists="false" ipc-concordant="G05D13/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G05D13/24</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>counterbalanced by two or more different appliances acting simultaneously upon the riser, e.g. with both spring force and fluid pressure or with both spring force and electromagnetic force</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G05D13/26" definition-exists="false" ipc-concordant="G05D13/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D13/26</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with provision for modulating the degree of non-uniformity of speed</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G05D13/28" definition-exists="false" ipc-concordant="G05D13/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D13/28</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with provision for performing braking effects in case of increased speed</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G05D13/30" definition-exists="true" ipc-concordant="G05D13/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2023-01-01" status="published"><classification-symbol>G05D13/30</classification-symbol><class-title date-revised="2023-01-01"><title-part><text>Governors characterised by fluid features in which the speed of a shaft is converted into fluid pressure</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G05D13/32" definition-exists="false" ipc-concordant="G05D13/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D13/32</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using a pump</text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G05D13/34" definition-exists="true" ipc-concordant="G05D13/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2023-01-01" status="published"><classification-symbol>G05D13/34</classification-symbol><class-title date-revised="2023-01-01"><title-part><text>with auxiliary non-electric power</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G05D13/36" definition-exists="false" ipc-concordant="G05D13/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D13/36</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using regulating devices with proportional band, i.e. P regulating devices</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G05D13/38" definition-exists="false" ipc-concordant="G05D13/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D13/38</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>involving centrifugal governors of fly-weight type</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G05D13/40" definition-exists="false" ipc-concordant="G05D13/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D13/40</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>involving fluid governors of pump type</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G05D13/42" definition-exists="false" ipc-concordant="G05D13/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D13/42</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>involving fluid governors of flow-controller type, i.e. the width of liquid flow being controlled by fly-weights</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G05D13/44" definition-exists="false" ipc-concordant="G05D13/44" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D13/44</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>involving fluid governors of jet type</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G05D13/46" definition-exists="false" ipc-concordant="G05D13/46" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D13/46</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using regulating devices with proportional band and integral action, i.e. PI regulating devices</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G05D13/48" definition-exists="false" ipc-concordant="G05D13/48" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D13/48</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>involving resilient restoring mechanisms</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G05D13/50" definition-exists="false" ipc-concordant="G05D13/50" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D13/50</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>involving connecting means or superimposing a proportional regulating device and an integral regulating device</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G05D13/52" definition-exists="false" ipc-concordant="G05D13/52" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D13/52</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using regulating devices with proportional band and derivative action, i.e. PD regulating devices</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G05D13/54" definition-exists="false" ipc-concordant="G05D13/54" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D13/54</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>involving centrifugal governors of fly-weight type exerting an acceleratory effect</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G05D13/56" definition-exists="false" ipc-concordant="G05D13/56" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D13/56</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>involving restoring mechanisms exerting a delay effect</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G05D13/58" definition-exists="false" ipc-concordant="G05D13/58" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D13/58</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>involving means for connecting a speed regulating device and an acceleration regulating device</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G05D13/60" definition-exists="false" ipc-concordant="G05D13/60" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D13/60</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using regulating devices with proportional band, derivative and integral action, i.e. PID regulating devices</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G05D13/62" definition-exists="false" ipc-concordant="G05D13/62" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D13/62</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterised by the use of electric means, e.g. use of a tachometric dynamo, use of a transducer converting an electric value into a displacement </text><CPC-specific-text><reference><text>electric motor control <class-ref scheme="cpc">H02P</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G05D13/64" definition-exists="false" ipc-concordant="G05D13/64" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D13/64</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Compensating the speed difference between engines meshing by a differential gearing or the speed difference between a controlling shaft and a controlled shaft </text><CPC-specific-text><reference><text><class-ref scheme="cpc">G05D13/62</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G05D13/66" definition-exists="false" ipc-concordant="G05D13/66" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D13/66</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Governor units providing for co-operation with control dependent upon a variable other than speed</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="G05D15/00" definition-exists="true" ipc-concordant="G05D15/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D15/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Control of mechanical force or stress</text></title-part><title-part><text>Control of mechanical pressure</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G05D15/01" definition-exists="false" ipc-concordant="G05D15/01" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D15/01</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterised by the use of electric means</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="G05D16/00" definition-exists="true" ipc-concordant="G05D16/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G05D16/00</classification-symbol><class-title date-revised="2019-01-01"><title-part><text>Control of fluid pressure</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G05D16/02" definition-exists="true" ipc-concordant="G05D16/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2023-01-01" status="published"><classification-symbol>G05D16/02</classification-symbol><class-title date-revised="2023-01-01"><title-part><text>Modifications to reduce the effects of instability, e.g. due to vibrations, friction, abnormal temperature, overloading or unbalance</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G05D16/024" definition-exists="false" ipc-concordant="G05D16/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G05D16/024</classification-symbol><class-title date-revised="2019-01-01"><title-part><CPC-specific-text><text>Controlling the inlet pressure, e.g. back-pressure regulator</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G05D16/028" definition-exists="false" ipc-concordant="G05D16/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G05D16/028</classification-symbol><class-title date-revised="2019-01-01"><title-part><CPC-specific-text><text>Controlling a pressure difference </text><reference><text>control of flow <class-ref scheme="cpc">G05D7/00</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G05D16/04" definition-exists="false" ipc-concordant="G05D16/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G05D16/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>without auxiliary power</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G05D16/0402" definition-exists="true" ipc-concordant="G05D16/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G05D16/0402</classification-symbol><class-title date-revised="2019-01-01"><title-part><CPC-specific-text><text>with two or more controllers mounted in series</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G05D16/0404" definition-exists="true" ipc-concordant="G05D16/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G05D16/0404</classification-symbol><class-title date-revised="2019-01-01"><title-part><CPC-specific-text><text>with two or more controllers mounted in parallel</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G05D16/06" definition-exists="false" ipc-concordant="G05D16/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D16/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the sensing element being a flexible membrane, yielding to pressure, e.g. diaphragm, bellows, capsule</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G05D16/0608" definition-exists="false" ipc-concordant="G05D16/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D16/0608</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the controller being mounted within the flow path and having slidable elements</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G05D16/0611" definition-exists="false" ipc-concordant="G05D16/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D16/0611</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the sensing element being deformable, e.g. Bourdon tube</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G05D16/0613" definition-exists="false" ipc-concordant="G05D16/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D16/0613</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the deformable sensing element acting as a throttling member</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G05D16/0616" definition-exists="false" ipc-concordant="G05D16/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D16/0616</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the sensing element being a bellow</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G05D16/0619" definition-exists="false" ipc-concordant="G05D16/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D16/0619</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>acting directly on the obturator</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="G05D16/0622" definition-exists="false" ipc-concordant="G05D16/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D16/0622</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by the form of the obturator</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G05D16/0625" definition-exists="false" ipc-concordant="G05D16/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D16/0625</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>acting indirectly on the obturator, e.g. by a lever</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="G05D16/0627" definition-exists="false" ipc-concordant="G05D16/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D16/0627</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by the form of the obturator</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G05D16/063" definition-exists="false" ipc-concordant="G05D16/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D16/063</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the sensing element being a membrane</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G05D16/0633" definition-exists="false" ipc-concordant="G05D16/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D16/0633</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by the properties of the membrane</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G05D16/0636" definition-exists="false" ipc-concordant="G05D16/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-08-01" status="published"><classification-symbol>G05D16/0636</classification-symbol><class-title date-revised="2016-08-01"><title-part><CPC-specific-text><text>characterised by the loading device of the membrane, e.g. spring</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G05D16/0638" definition-exists="false" ipc-concordant="G05D16/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D16/0638</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by the form of the obturator</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="G05D16/0641" definition-exists="false" ipc-concordant="G05D16/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D16/0641</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the obturator is a membrane</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G05D16/0644" definition-exists="false" ipc-concordant="G05D16/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D16/0644</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the membrane acting directly on the obturator</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="G05D16/0647" definition-exists="false" ipc-concordant="G05D16/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D16/0647</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using one membrane without spring</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="G05D16/065" definition-exists="false" ipc-concordant="G05D16/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D16/065</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by the form of the obturator</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="G05D16/0652" definition-exists="false" ipc-concordant="G05D16/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D16/0652</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using several membranes without spring</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="G05D16/0655" definition-exists="false" ipc-concordant="G05D16/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D16/0655</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using one spring-loaded membrane</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="G05D16/0658" definition-exists="false" ipc-concordant="G05D16/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D16/0658</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by the form of the obturator</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="G05D16/0661" definition-exists="false" ipc-concordant="G05D16/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D16/0661</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by the loading mechanisms of the membrane</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="G05D16/0663" definition-exists="false" ipc-concordant="G05D16/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D16/0663</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using a spring-loaded membrane with a spring-loaded slideable obturator</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="G05D16/0666" definition-exists="false" ipc-concordant="G05D16/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D16/0666</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by the form of the obturator</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="G05D16/0669" definition-exists="false" ipc-concordant="G05D16/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D16/0669</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by the loading mechanisms of the membrane</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="G05D16/0672" definition-exists="false" ipc-concordant="G05D16/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D16/0672</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using several spring-loaded membranes</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G05D16/0675" definition-exists="false" ipc-concordant="G05D16/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D16/0675</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the membrane acting on the obturator through a lever</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="G05D16/0677" definition-exists="false" ipc-concordant="G05D16/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D16/0677</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using one membrane without spring</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="G05D16/068" definition-exists="false" ipc-concordant="G05D16/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D16/068</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by the form of the obturator</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="G05D16/0683" definition-exists="false" ipc-concordant="G05D16/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D16/0683</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using a spring-loaded membrane</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="G05D16/0686" definition-exists="false" ipc-concordant="G05D16/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D16/0686</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by the form of the lever</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="G05D16/0688" definition-exists="false" ipc-concordant="G05D16/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D16/0688</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by the form of the obturator</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="G05D16/0691" definition-exists="false" ipc-concordant="G05D16/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D16/0691</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by the loading mechanisms of the membrane</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="G05D16/0694" definition-exists="false" ipc-concordant="G05D16/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D16/0694</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using a spring-loaded membrane with a spring-loaded slideable obturator</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="G05D16/0697" definition-exists="false" ipc-concordant="G05D16/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D16/0697</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using several membranes</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G05D16/08" definition-exists="false" ipc-concordant="G05D16/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D16/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Control of liquid pressure</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G05D16/10" definition-exists="true" ipc-concordant="G05D16/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G05D16/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the sensing element being a piston or plunger</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G05D16/101" definition-exists="false" ipc-concordant="G05D16/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G05D16/101</classification-symbol><class-title date-revised="2019-01-01"><title-part><CPC-specific-text><text>the controller being arranged as a multiple-way valve</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G05D16/103" definition-exists="true" ipc-concordant="G05D16/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G05D16/103</classification-symbol><class-title date-revised="2019-01-01"><title-part><CPC-specific-text><text>the sensing element placed between the inlet and outlet </text><reference><text>multiple-way valve <class-ref scheme="cpc">G05D16/101</class-ref></text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G05D16/106" definition-exists="true" ipc-concordant="G05D16/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2019-01-01" status="published"><classification-symbol>G05D16/106</classification-symbol><class-title date-revised="2019-01-01"><title-part><CPC-specific-text><text>Sleeve-like sensing elements; Sensing elements surrounded by the flow path</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G05D16/107" definition-exists="true" ipc-concordant="G05D16/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G05D16/107</classification-symbol><class-title date-revised="2019-01-01"><title-part><CPC-specific-text><text>with a spring-loaded piston in combination with a spring-loaded slideable obturator that move together over range of motion during normal operation</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G05D16/109" definition-exists="true" ipc-concordant="G05D16/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G05D16/109</classification-symbol><class-title date-revised="2019-01-01"><title-part><CPC-specific-text><text>with two or more pistons acting as a single pressure controller that move together over range of motion during normal operations </text><reference><text>controllers mounted in series <class-ref scheme="cpc">G05D16/0402</class-ref>, controller mounted in parallel <class-ref scheme="cpc">G05D16/0404</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G05D16/12" definition-exists="false" ipc-concordant="G05D16/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D16/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the sensing element being a float</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G05D16/14" definition-exists="true" ipc-concordant="G05D16/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D16/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with auxiliary non-electric power</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G05D16/16" definition-exists="true" ipc-concordant="G05D16/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D16/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>derived from the controlled fluid</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G05D16/163" definition-exists="false" ipc-concordant="G05D16/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2019-01-01" status="published"><classification-symbol>G05D16/163</classification-symbol><class-title date-revised="2019-01-01"><title-part><CPC-specific-text><text>using membranes within the main valve</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G05D16/166" definition-exists="false" ipc-concordant="G05D16/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2019-01-01" status="published"><classification-symbol>G05D16/166</classification-symbol><class-title date-revised="2019-01-01"><title-part><CPC-specific-text><text>using pistons within the main valve</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G05D16/18" definition-exists="false" ipc-concordant="G05D16/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G05D16/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>derived from an external source</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G05D16/185" definition-exists="false" ipc-concordant="G05D16/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2019-01-01" status="published"><classification-symbol>G05D16/185</classification-symbol><class-title date-revised="2019-01-01"><title-part><CPC-specific-text><text>using membranes within the main valve</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G05D16/187" definition-exists="false" ipc-concordant="G05D16/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G05D16/187</classification-symbol><class-title date-revised="2019-01-01"><title-part><CPC-specific-text><text>using pistons within the main valve</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G05D16/20" definition-exists="false" ipc-concordant="G05D16/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D16/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterised by the use of electric means</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G05D16/2006" definition-exists="true" ipc-concordant="G05D16/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2019-01-01" status="published"><classification-symbol>G05D16/2006</classification-symbol><class-title date-revised="2019-01-01"><title-part><CPC-specific-text><text>with direct action of electric energy on controlling means </text><reference><text>combination of electric and non-electric auxiliary <class-ref scheme="cpc">G05D16/2093</class-ref></text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G05D16/2013" definition-exists="true" ipc-concordant="G05D16/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G05D16/2013</classification-symbol><class-title date-revised="2019-01-01"><title-part><CPC-specific-text><text>using throttling means as controlling means</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G05D16/202" definition-exists="false" ipc-concordant="G05D16/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D16/202</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>actuated by an electric motor</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G05D16/2022" definition-exists="true" ipc-concordant="G05D16/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G05D16/2022</classification-symbol><class-title date-revised="2019-01-01"><title-part><CPC-specific-text><text>actuated by a proportional solenoid </text><reference><text>throttling means <class-ref scheme="cpc">G05D16/2024</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G05D16/2024" definition-exists="false" ipc-concordant="G05D16/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G05D16/2024</classification-symbol><class-title date-revised="2019-01-01"><title-part><CPC-specific-text><text>the throttling means being a multiple-way valve</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G05D16/2026" definition-exists="true" ipc-concordant="G05D16/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D16/2026</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with a plurality of throttling means</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="G05D16/2033" definition-exists="false" ipc-concordant="G05D16/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D16/2033</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the plurality of throttling means being arranged in series</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="G05D16/204" definition-exists="false" ipc-concordant="G05D16/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D16/204</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the plurality of throttling means being arranged in parallel</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="G05D16/2046" definition-exists="false" ipc-concordant="G05D16/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D16/2046</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the plurality of throttling means being arranged for the control of a single pressure from a plurality of converging pressures </text><reference><text><class-ref scheme="cpc">G05D16/204</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="G05D16/2053" definition-exists="false" ipc-concordant="G05D16/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D16/2053</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the plurality of throttling means comprising only a first throttling means acting on a higher pressure and a second throttling means acting on a lower pressure, e.g. the atmosphere</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="G05D16/206" definition-exists="false" ipc-concordant="G05D16/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D16/206</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the plurality of throttling means being arranged for the control of a plurality of diverging pressures from a single pressure </text><reference><text><class-ref scheme="cpc">G05D16/204</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G05D16/2066" definition-exists="false" ipc-concordant="G05D16/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2019-01-01" status="published"><classification-symbol>G05D16/2066</classification-symbol><class-title date-revised="2019-01-01"><title-part><CPC-specific-text><text>using controlling means acting on the pressure source</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G05D16/2073" definition-exists="false" ipc-concordant="G05D16/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D16/2073</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with a plurality of pressure sources</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G05D16/208" definition-exists="false" ipc-concordant="G05D16/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D16/208</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using a combination of controlling means as defined in <class-ref scheme="cpc">G05D16/2013</class-ref> and <class-ref scheme="cpc">G05D16/2066</class-ref></text><reference><text><class-ref scheme="cpc">G05D16/2073</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G05D16/2086" definition-exists="true" ipc-concordant="G05D16/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2019-01-01" status="published"><classification-symbol>G05D16/2086</classification-symbol><class-title date-revised="2019-01-01"><title-part><CPC-specific-text><text>without direct action of electric energy on the controlling means </text><reference><text>combination of electric and non-electric auxiliary <class-ref scheme="cpc">G05D16/2093</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G05D16/2093" definition-exists="true" ipc-concordant="G05D16/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G05D16/2093</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with combination of electric and non-electric auxiliary power</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G05D16/2095" definition-exists="false" ipc-concordant="G05D16/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G05D16/2095</classification-symbol><class-title date-revised="2019-01-01"><title-part><CPC-specific-text><text>using membranes within the main valve</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G05D16/2097" definition-exists="false" ipc-concordant="G05D16/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G05D16/2097</classification-symbol><class-title date-revised="2019-01-01"><title-part><CPC-specific-text><text>using pistons within the main valve</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="G05D17/00" definition-exists="true" ipc-concordant="G05D17/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D17/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Control of torque</text></title-part><title-part><text>Control of mechanical power</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G05D17/02" definition-exists="false" ipc-concordant="G05D17/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D17/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterised by the use of electric means</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="G05D19/00" definition-exists="true" ipc-concordant="G05D19/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2023-01-01" status="published"><classification-symbol>G05D19/00</classification-symbol><class-title date-revised="2023-01-01"><title-part><text>Control of mechanical oscillations, e.g. of amplitude, of frequency, of phase</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G05D19/02" definition-exists="false" ipc-concordant="G05D19/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D19/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterised by the use of electric means</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="G05D21/00" definition-exists="true" ipc-concordant="G05D21/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D21/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Control of chemical or physico-chemical variables, e.g. pH value</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G05D21/02" definition-exists="false" ipc-concordant="G05D21/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D21/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterised by the use of electric means</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="G05D22/00" definition-exists="true" ipc-concordant="G05D22/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2023-01-01" status="published"><classification-symbol>G05D22/00</classification-symbol><class-title date-revised="2023-01-01"><title-part><text>Control of humidity</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G05D22/02" definition-exists="false" ipc-concordant="G05D22/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D22/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterised by the use of electric means</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="G05D23/00" definition-exists="true" ipc-concordant="G05D23/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2023-01-01" status="published"><classification-symbol>G05D23/00</classification-symbol><class-title date-revised="2023-01-01"><title-part><text>Control of temperature</text></title-part></class-title><notes-and-warnings date-revised="2013-01-01"><note type="note"><note-paragraph> In groups <class-ref scheme="cpc">G05D23/01</class-ref> - <class-ref scheme="cpc">G05D23/32</class-ref>, the last place priority rule is applied, i.e. at each hierarchical level, in the absence of an indication to the contrary, classification is made in the last appropriate place.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G05D23/01" definition-exists="false" ipc-concordant="G05D23/01" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D23/01</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>without auxiliary power</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G05D23/015" definition-exists="false" ipc-concordant="G05D23/01" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D23/015</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with mechanical sensing element not covered by groups <class-ref scheme="cpc">G05D23/02</class-ref> and <class-ref scheme="cpc">G05D23/12</class-ref></text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G05D23/02" definition-exists="false" ipc-concordant="G05D23/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D23/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with sensing element expanding and contracting in response to changes of temperature </text><reference><text><class-ref scheme="cpc">G05D23/13</class-ref> takes precedence</text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G05D23/021" definition-exists="false" ipc-concordant="G05D23/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D23/021</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the sensing element being a non-metallic solid, e.g. elastomer, paste</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G05D23/022" definition-exists="false" ipc-concordant="G05D23/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D23/022</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the sensing element being placed within a regulating fluid flow</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G05D23/023" definition-exists="false" ipc-concordant="G05D23/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D23/023</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the sensing element being placed outside a regulating fluid flow</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G05D23/024" definition-exists="false" ipc-concordant="G05D23/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D23/024</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the sensing element being of the rod type, tube type, or of a similar type</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G05D23/025" definition-exists="false" ipc-concordant="G05D23/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D23/025</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the sensing element being placed within a regulating fluid flow</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G05D23/026" definition-exists="false" ipc-concordant="G05D23/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D23/026</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the sensing element being placed outside a regulating fluid flow</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="G05D23/027" definition-exists="false" ipc-concordant="G05D23/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D23/027</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for combustible fluid</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G05D23/028" definition-exists="false" ipc-concordant="G05D23/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D23/028</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with fusing sensing element</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G05D23/08" definition-exists="false" ipc-concordant="G05D23/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2023-01-01" status="published"><classification-symbol>G05D23/08</classification-symbol><class-title date-revised="2023-01-01"><title-part><text>with bimetallic element</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G05D23/10" definition-exists="false" ipc-concordant="G05D23/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2023-01-01" status="published"><classification-symbol>G05D23/10</classification-symbol><class-title date-revised="2023-01-01"><title-part><text>with snap-action elements</text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G05D23/12" definition-exists="false" ipc-concordant="G05D23/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D23/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with sensing element responsive to pressure or volume changes in a confined fluid</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G05D23/121" definition-exists="false" ipc-concordant="G05D23/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D23/121</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by the sensing element</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G05D23/122" definition-exists="false" ipc-concordant="G05D23/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D23/122</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using a plurality of sensing elements</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G05D23/123" definition-exists="false" ipc-concordant="G05D23/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D23/123</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the sensing element being placed within a regulating fluid flow</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G05D23/125" definition-exists="false" ipc-concordant="G05D23/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D23/125</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the sensing element being placed outside a regulating fluid flow</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G05D23/126" definition-exists="false" ipc-concordant="G05D23/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D23/126</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using a capillary tube</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="G05D23/127" definition-exists="false" ipc-concordant="G05D23/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D23/127</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>to control a gaseous fluid circulation</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="G05D23/128" definition-exists="false" ipc-concordant="G05D23/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D23/128</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the fluid being combustible</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G05D23/13" definition-exists="false" ipc-concordant="G05D23/13" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D23/13</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by varying the mixing ratio of two fluids having different temperatures</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G05D23/1306" definition-exists="false" ipc-concordant="G05D23/13" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D23/1306</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for liquids </text><reference><text><class-ref scheme="cpc">G05D23/1393</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G05D23/1313" definition-exists="false" ipc-concordant="G05D23/13" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D23/1313</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>without temperature sensing element</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G05D23/132" definition-exists="false" ipc-concordant="G05D23/13" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D23/132</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with temperature sensing element</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="G05D23/1326" definition-exists="false" ipc-concordant="G05D23/13" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D23/1326</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>details of the sensor</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="G05D23/1333" definition-exists="false" ipc-concordant="G05D23/13" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D23/1333</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>measuring the temperature of incoming fluid</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="G05D23/134" definition-exists="false" ipc-concordant="G05D23/13" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D23/134</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>measuring the temperature of mixed fluid</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="G05D23/1346" definition-exists="false" ipc-concordant="G05D23/13" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D23/1346</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with manual temperature setting means</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="14" additional-only="false" sort-key="G05D23/1353" definition-exists="false" ipc-concordant="G05D23/13" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D23/1353</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>combined with flow controlling means</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="G05D23/136" definition-exists="false" ipc-concordant="G05D23/13" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D23/136</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with pressure equalizing means</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="G05D23/1366" definition-exists="false" ipc-concordant="G05D23/13" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D23/1366</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using a plurality of sensing elements</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="G05D23/1373" definition-exists="false" ipc-concordant="G05D23/13" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D23/1373</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>measuring the temperature of mixed fluid</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G05D23/138" definition-exists="false" ipc-concordant="G05D23/13" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D23/138</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for gases </text><reference><text><class-ref scheme="cpc">G05D23/1393</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G05D23/1386" definition-exists="false" ipc-concordant="G05D23/13" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D23/1386</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for steam and liquid </text><reference><text><class-ref scheme="cpc">G05D23/1393</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G05D23/1393" definition-exists="false" ipc-concordant="G05D23/13" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D23/1393</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by the use of electric means</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G05D23/185" definition-exists="false" ipc-concordant="G05D23/185" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D23/185</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with auxiliary non-electric power</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G05D23/1852" definition-exists="false" ipc-concordant="G05D23/185" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D23/1852</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with sensing element expanding and contracting in response to change of temperature</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G05D23/1854" definition-exists="false" ipc-concordant="G05D23/185" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D23/1854</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with bimetallic element</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G05D23/1856" definition-exists="false" ipc-concordant="G05D23/185" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D23/1856</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with sensing element responsive to pressure or volume change in a confined fluid</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G05D23/1858" definition-exists="false" ipc-concordant="G05D23/185" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D23/1858</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by varying the mixing ratio of fluids having different temperatures</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G05D23/19" definition-exists="false" ipc-concordant="G05D23/19" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>G05D23/19</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterised by the use of electric means </text><CPC-specific-text><reference><text><class-ref scheme="cpc">G05D23/1393</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G05D23/1902" definition-exists="false" ipc-concordant="G05D23/19" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D23/1902</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by the use of a variable reference value</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G05D23/1904" definition-exists="false" ipc-concordant="G05D23/19" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D23/1904</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>variable in time</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G05D23/1905" definition-exists="false" ipc-concordant="G05D23/19" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D23/1905</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>associated with tele control</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G05D23/1906" definition-exists="false" ipc-concordant="G05D23/19" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D23/1906</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using an analogue comparing device</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G05D23/1909" definition-exists="false" ipc-concordant="G05D23/19" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D23/1909</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>whose output amplitude can only take two discrete values</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G05D23/1912" definition-exists="false" ipc-concordant="G05D23/19" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D23/1912</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>whose output amplitude can take more than two discrete values</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G05D23/1913" definition-exists="false" ipc-concordant="G05D23/19" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D23/1913</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>delivering a series of pulses</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G05D23/1917" definition-exists="false" ipc-concordant="G05D23/19" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D23/1917</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using digital means</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G05D23/1919" definition-exists="false" ipc-concordant="G05D23/19" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D23/1919</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by the type of controller</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G05D23/192" definition-exists="false" ipc-concordant="G05D23/19" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D23/192</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using a modification of the thermal impedance between a source and the load</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G05D23/1921" definition-exists="false" ipc-concordant="G05D23/19" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D23/1921</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using a thermal motor</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G05D23/1923" definition-exists="false" ipc-concordant="G05D23/19" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D23/1923</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using thermal energy, the cost of which varies in function of time</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G05D23/1924" definition-exists="false" ipc-concordant="G05D23/19" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D23/1924</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using thermal energy, the availability of which is aleatory</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G05D23/1925" definition-exists="false" ipc-concordant="G05D23/19" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D23/1925</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using a combination of auxiliary electric and non-electric power</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G05D23/1927" definition-exists="false" ipc-concordant="G05D23/19" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D23/1927</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using a plurality of sensors </text><reference><text><class-ref scheme="cpc">G05D23/1902</class-ref>, <class-ref scheme="cpc">G05D23/1917</class-ref>, and <class-ref scheme="cpc">G05D23/1919</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G05D23/1928" definition-exists="false" ipc-concordant="G05D23/19" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D23/1928</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>sensing the temperature of one space</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G05D23/193" definition-exists="false" ipc-concordant="G05D23/19" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D23/193</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>sensing the temperaure in different places in thermal relationship with one or more spaces</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G05D23/1931" definition-exists="false" ipc-concordant="G05D23/19" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D23/1931</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>to control the temperature of one space</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G05D23/1932" definition-exists="false" ipc-concordant="G05D23/19" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D23/1932</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>to control the temperature of a plurality of spaces</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="G05D23/1934" definition-exists="false" ipc-concordant="G05D23/19" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D23/1934</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>each space being provided with one sensor acting on one or more control means</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G05D23/1935" definition-exists="false" ipc-concordant="G05D23/19" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D23/1935</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using sequential control</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G05D23/1951" definition-exists="false" ipc-concordant="G05D23/19" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D23/1951</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with control of the working time of a temperature controlling device</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G05D23/20" definition-exists="false" ipc-concordant="G05D23/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D23/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with sensing elements having variation of electric or magnetic properties with change of temperature </text><reference><text><class-ref scheme="cpc">G05D23/13</class-ref> takes precedence</text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G05D23/2033" definition-exists="false" ipc-concordant="G05D23/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D23/2033</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>details of the sensing element</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G05D23/2034" definition-exists="false" ipc-concordant="G05D23/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D23/2034</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the sensing element being a semiconductor</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G05D23/2035" definition-exists="false" ipc-concordant="G05D23/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D23/2035</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the sensing element being a ionized gas</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G05D23/2036" definition-exists="false" ipc-concordant="G05D23/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D23/2036</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the sensing element being a dielectric of a capacitor</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G05D23/2037" definition-exists="false" ipc-concordant="G05D23/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D23/2037</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>details of the regulator</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G05D23/2039" definition-exists="false" ipc-concordant="G05D23/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D23/2039</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using mechanical means</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G05D23/22" definition-exists="false" ipc-concordant="G05D23/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D23/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the sensing element being a thermocouple</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G05D23/2236" definition-exists="false" ipc-concordant="G05D23/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D23/2236</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>details of the regulator</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="G05D23/2237" definition-exists="false" ipc-concordant="G05D23/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D23/2237</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using discharge tubes</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="G05D23/2239" definition-exists="false" ipc-concordant="G05D23/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D23/2239</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using photoelectric elements</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="G05D23/224" definition-exists="false" ipc-concordant="G05D23/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D23/224</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using selfs or transformers</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G05D23/24" definition-exists="false" ipc-concordant="G05D23/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D23/24</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the sensing element having a resistance varying with temperature, e.g. a thermistor</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G05D23/2401" definition-exists="false" ipc-concordant="G05D23/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D23/2401</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using a heating element as a sensing element</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G05D23/2451" definition-exists="false" ipc-concordant="G05D23/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D23/2451</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Details of the regulator</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="G05D23/2453" definition-exists="false" ipc-concordant="G05D23/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D23/2453</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using discharge tubes</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="G05D23/2454" definition-exists="false" ipc-concordant="G05D23/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D23/2454</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using photoelectric elements</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="G05D23/2456" definition-exists="false" ipc-concordant="G05D23/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D23/2456</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using selfs or transformers</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G05D23/26" definition-exists="false" ipc-concordant="G05D23/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D23/26</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the sensing element having a permeability varying with temperature</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G05D23/27" definition-exists="false" ipc-concordant="G05D23/27" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D23/27</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with sensing element responsive to radiation</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G05D23/275" definition-exists="false" ipc-concordant="G05D23/275" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D23/275</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with sensing element expanding, contracting, or fusing in response to changes of temperature</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G05D23/27535" definition-exists="false" ipc-concordant="G05D23/275" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D23/27535</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Details of the sensing element</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G05D23/27536" definition-exists="false" ipc-concordant="G05D23/275" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D23/27536</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using fusible material</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G05D23/27537" definition-exists="false" ipc-concordant="G05D23/275" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D23/27537</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using expansible fluid</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G05D23/27539" definition-exists="false" ipc-concordant="G05D23/275" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D23/27539</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using conductible expansible fluid</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G05D23/2754" definition-exists="false" ipc-concordant="G05D23/275" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D23/2754</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using bimetallic element</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G05D23/27541" definition-exists="false" ipc-concordant="G05D23/275" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D23/27541</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using expansible solid</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G05D23/27543" definition-exists="false" ipc-concordant="G05D23/275" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D23/27543</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using the controlled element as sensing element</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G05D23/30" definition-exists="false" ipc-concordant="G05D23/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2023-01-01" status="published"><classification-symbol>G05D23/30</classification-symbol><class-title date-revised="2023-01-01"><title-part><text>Automatic controllers with an auxiliary heating device affecting the sensing element, e.g. for anticipating change of temperature</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G05D23/303" definition-exists="false" ipc-concordant="G05D23/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D23/303</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using a sensing element having a resistance varying with temperature, e.g. thermistor</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G05D23/306" definition-exists="false" ipc-concordant="G05D23/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D23/306</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using semiconductor devices</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G05D23/32" definition-exists="false" ipc-concordant="G05D23/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D23/32</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with provision for adjustment of the effect of the auxiliary heating device, e.g. a function of time</text></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="G05D24/00" definition-exists="false" ipc-concordant="G05D24/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D24/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Control of viscosity</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G05D24/02" definition-exists="false" ipc-concordant="G05D24/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D24/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterised by the use of electric means</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="G05D25/00" definition-exists="true" ipc-concordant="G05D25/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2023-01-01" status="published"><classification-symbol>G05D25/00</classification-symbol><class-title date-revised="2023-01-01"><title-part><text>Control of light, e.g. intensity, colour or phase </text><reference><text>optical devices or arrangements using movable or deformable elements for controlling light independent of the light source <class-ref scheme="cpc">G02B26/00</class-ref>; devices or arrangements, the optical operation of which is modified by changing the optical properties of the medium of the devices or arrangements for the control of light, circuit arrangements specially adapted therefor, control of light by electro-magnetic waves, electrons or other elementary particles <class-ref scheme="cpc">G02F1/00</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G05D25/02" definition-exists="false" ipc-concordant="G05D25/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D25/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterised by the use of electric means</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="G05D27/00" definition-exists="true" ipc-concordant="G05D27/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G05D27/00</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>Simultaneous control of variables covered by two or more of main groups <class-ref scheme="cpc">G05D1/00</class-ref> - <class-ref scheme="cpc">G05D25/00</class-ref></text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G05D27/02" definition-exists="false" ipc-concordant="G05D27/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D27/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterised by the use of electric means</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="G05D29/00" definition-exists="true" ipc-concordant="G05D29/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D29/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Simultaneous control of electric and non-electric variables</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="G05D99/00" definition-exists="true" ipc-concordant="G05D99/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D99/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Subject matter not provided for in other groups of this subclass</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="true" level="6" additional-only="true" sort-key="G05D201/00" date-revised="2013-01-01" status="published"><classification-symbol>G05D2201/00</classification-symbol>
<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="G05D201/00" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D2201/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Application</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="G05D201/02" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D2201/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Control of position of land vehicles</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="G05D201/0201" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D2201/0201</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Agriculture or harvesting machine</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="G05D201/0202" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D2201/0202</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Building or civil engineering machine</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="G05D201/0203" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D2201/0203</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Cleaning or polishing vehicle</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="G05D201/0204" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D2201/0204</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Golf cart</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="G05D201/0205" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D2201/0205</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Harbour vehicle, e.g. crane</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="G05D201/0206" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D2201/0206</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Vehicle in a health care environment, e.g. for distribution of food or medicins in a hospital or for helping handicapped persons</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="G05D201/0207" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D2201/0207</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Unmanned vehicle for inspecting or visiting an area</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="G05D201/0208" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D2201/0208</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Lawn mower</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="G05D201/0209" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D2201/0209</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Combat or reconnaissance vehicle for military, police or security applications</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="G05D201/021" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D2201/021</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Mining vehicle</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="G05D201/0211" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D2201/0211</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Vehicle in an office environment, e.g. for delivering mail or for videoconferencing</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="G05D201/0212" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D2201/0212</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Driverless passenger transport vehicle</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="G05D201/0213" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D2201/0213</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Road vehicle, e.g. car or truck</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="G05D201/0214" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D2201/0214</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Position controlled toy</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="G05D201/0215" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D2201/0215</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Vacuum cleaner</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="G05D201/0216" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D2201/0216</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Vehicle for transporting goods in a warehouse, factory or similar</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="G05D201/0217" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D2201/0217</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Anthropomorphic or bipedal robot</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="G05D201/0218" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G05D2201/0218</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Planetary exploration vehicle</text></title-part></class-title></classification-item></classification-item></classification-item></classification-item></classification-item></class-scheme>