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ZSI_Reconnect_China/PATSTAT/CPC_data/CPCSchemeXML202302/cpc-scheme-G01F.xml

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<?xml version="1.0" encoding="UTF-8"?>
<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="G01F" definition-exists="true" date-revised="2020-08-01" status="published"><classification-symbol>G01F</classification-symbol><class-title date-revised="2020-08-01"><title-part><text>MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL</text></title-part><title-part><text>METERING BY VOLUME</text></title-part></class-title><notes-and-warnings date-revised="2013-01-01"><note type="note"><note-paragraph>Attention is drawn to the Notes following the title of class <class-ref scheme="cpc">G01</class-ref>.</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="G01F1/00" date-revised="2013-01-01" status="published"><classification-symbol>G01F1/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Measuring volume flow</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="G01F1/00" definition-exists="true" ipc-concordant="G01F1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G01F1/00</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow </text><reference><text>measuring a proportion of the volume flow <class-ref scheme="cpc">G01F5/00</class-ref></text></reference></title-part></class-title><notes-and-warnings date-revised="2013-01-01"><note type="note"><note-paragraph><CPC-specific-note>Groups <class-ref scheme="cpc">G01F1/704</class-ref> - <class-ref scheme="cpc">G01F1/76</class-ref> take precedence over groups <class-ref scheme="cpc">G01F1/05</class-ref> - <class-ref scheme="cpc">G01F1/68</class-ref>.</CPC-specific-note></note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G01F1/002" definition-exists="true" ipc-concordant="G01F1/002" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G01F1/002</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>wherein the flow is in an open channel</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G01F1/005" definition-exists="false" ipc-concordant="G01F1/002" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G01F1/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using floats</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="G01F1/007" definition-exists="true" ipc-concordant="G01F1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F1/007</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by measuring the level variations of storage tanks relative to the time</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="G01F1/05" definition-exists="false" ipc-concordant="G01F1/05" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F1/05</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by using mechanical effects</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G01F1/053" definition-exists="false" ipc-concordant="G01F1/05" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F1/053</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using rotating vanes with tangential and axial admission</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="G01F1/056" definition-exists="true" ipc-concordant="G01F1/05" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F1/056</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Orbital ball flowmeters</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="G01F1/06" definition-exists="true" ipc-concordant="G01F1/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F1/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using rotating vanes with tangential admission</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G01F1/065" definition-exists="false" ipc-concordant="G01F1/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F1/065</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with radiation as transfer means to the indicating device, e.g. light transmission</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="G01F1/07" definition-exists="false" ipc-concordant="G01F1/07" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F1/07</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with mechanical coupling to the indicating device</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G01F1/075" definition-exists="false" ipc-concordant="G01F1/075" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F1/075</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with magnetic or electromagnetic coupling to the indicating device</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G01F1/0755" definition-exists="false" ipc-concordant="G01F1/075" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F1/0755</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with magnetic coupling only in a mechanical transmission 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="G01F1/08" definition-exists="false" ipc-concordant="G01F1/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F1/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Adjusting, correcting or compensating means therefor</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G01F1/10" definition-exists="true" ipc-concordant="G01F1/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F1/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using rotating vanes with axial admission</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G01F1/103" definition-exists="false" ipc-concordant="G01F1/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F1/103</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with radiation as transfer means to the indicating device, e.g. light transmission</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="G01F1/106" definition-exists="false" ipc-concordant="G01F1/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F1/106</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with electrostatic coupling to the indicating device</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="G01F1/11" definition-exists="false" ipc-concordant="G01F1/11" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F1/11</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with mechanical coupling to the indicating device</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G01F1/115" definition-exists="false" ipc-concordant="G01F1/115" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F1/115</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with magnetic or electromagnetic coupling to the indicating device</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G01F1/1155" definition-exists="false" ipc-concordant="G01F1/115" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F1/1155</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with magnetic coupling only in a mechanical transmission 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="G01F1/12" definition-exists="false" ipc-concordant="G01F1/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F1/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Adjusting, correcting, or compensating means therefor</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G01F1/125" definition-exists="false" ipc-concordant="G01F1/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F1/125</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with electric, electro-mechanical or electronic means</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="G01F1/20" definition-exists="true" ipc-concordant="G01F1/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G01F1/20</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>by detection of dynamic effects of the flow</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G01F1/203" definition-exists="true" ipc-concordant="G01F1/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F1/203</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Jet stream flowmeters</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="G01F1/206" definition-exists="true" ipc-concordant="G01F1/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F1/206</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Measuring pressure, force or momentum of a fluid flow which is forced to change its direction</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="G01F1/22" definition-exists="false" ipc-concordant="G01F1/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>G01F1/22</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>by variable-area meters </text><CPC-specific-text><text>, e.g. rotameters</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G01F1/24" definition-exists="false" ipc-concordant="G01F1/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F1/24</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with magnetic or electric coupling to the indicating device</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G01F1/26" definition-exists="false" ipc-concordant="G01F1/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F1/26</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of the valve type</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G01F1/28" definition-exists="false" ipc-concordant="G01F1/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F1/28</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by drag-force, e.g. vane type or impact flowmeter</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G01F1/30" definition-exists="false" ipc-concordant="G01F1/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F1/30</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for fluent solid material</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G01F1/32" definition-exists="false" ipc-concordant="G01F1/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G01F1/32</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>using swirl flowmeters</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G01F1/3209" definition-exists="false" ipc-concordant="G01F1/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>G01F1/3209</classification-symbol><class-title date-revised="2021-01-01"><title-part><CPC-specific-text><text>using Karman vortices</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="G01F1/3218" definition-exists="false" ipc-concordant="G01F1/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F1/3218</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>bluff body design</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="G01F1/3227" definition-exists="true" ipc-concordant="G01F1/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F1/3227</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using fluidic oscillators </text><reference><text>fluidic oscillators <u>per se</u> <class-ref scheme="cpc">F15C1/00</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="G01F1/3236" definition-exists="false" ipc-concordant="G01F1/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F1/3236</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using guide vanes as swirling means</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="G01F1/325" definition-exists="false" ipc-concordant="G01F1/325" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G01F1/325</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>Means for detecting quantities used as proxy variables for swirl</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="G01F1/3259" definition-exists="false" ipc-concordant="G01F1/325" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G01F1/3259</classification-symbol><class-title date-revised="2022-01-01"><title-part><CPC-specific-text><text>for detecting fluid pressure oscillations</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="G01F1/3266" definition-exists="false" ipc-concordant="G01F1/325" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G01F1/3266</classification-symbol><class-title date-revised="2022-01-01"><title-part><CPC-specific-text><text>by sensing mechanical vibrations</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="G01F1/3273" definition-exists="false" ipc-concordant="G01F1/325" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G01F1/3273</classification-symbol><class-title date-revised="2022-01-01"><title-part><CPC-specific-text><text>for detecting fluid speed oscillations by thermal sensors</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="G01F1/3282" definition-exists="false" ipc-concordant="G01F1/325" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G01F1/3282</classification-symbol><class-title date-revised="2022-01-01"><title-part><CPC-specific-text><text>for detecting variations in infrasonic, sonic or ultrasonic waves, due to modulation by passing through the swirling 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="G01F1/3287" definition-exists="false" ipc-concordant="G01F1/325" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G01F1/3287</classification-symbol><class-title date-revised="2022-01-01"><title-part><CPC-specific-text><text>circuits therefor</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="G01F1/34" definition-exists="false" ipc-concordant="G01F1/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F1/34</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by measuring pressure or differential pressure</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G01F1/36" definition-exists="false" ipc-concordant="G01F1/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F1/36</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the pressure or differential pressure being created by the use of flow constriction</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G01F1/363" definition-exists="false" ipc-concordant="G01F1/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F1/363</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with electrical or electro-mechanical indication </text><reference><text><class-ref scheme="cpc">G01F1/37</class-ref> and <class-ref scheme="cpc">G01F1/38</class-ref> take 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="G01F1/366" definition-exists="false" ipc-concordant="G01F1/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F1/366</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with mechanical or fluidic indication </text><reference><text><class-ref scheme="cpc">G01F1/37</class-ref> and <class-ref scheme="cpc">G01F1/38</class-ref> take 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="G01F1/37" definition-exists="false" ipc-concordant="G01F1/37" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F1/37</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the pressure or differential pressure being measured by means of communicating tubes or reservoirs with movable fluid levels, e.g. by U-tubes</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="G01F1/372" definition-exists="false" ipc-concordant="G01F1/37" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F1/372</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with electrical or electro-mechanical indication</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="G01F1/375" definition-exists="false" ipc-concordant="G01F1/37" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F1/375</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with mechanical or fluidic indication</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="G01F1/377" definition-exists="false" ipc-concordant="G01F1/37" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F1/377</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using a ring-balance as indicating element</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="G01F1/38" definition-exists="false" ipc-concordant="G01F1/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F1/38</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the pressure or differential pressure being measured by means of a movable element, e.g. diaphragm, piston, Bourdon tube or flexible capsule</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="G01F1/383" definition-exists="false" ipc-concordant="G01F1/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F1/383</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with electrical or electro-mechanical indication</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="G01F1/386" definition-exists="false" ipc-concordant="G01F1/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F1/386</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with mechanical or fluidic indication</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="G01F1/40" definition-exists="false" ipc-concordant="G01F1/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G01F1/40</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>Details of construction of the flow constriction devices</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="G01F1/42" definition-exists="false" ipc-concordant="G01F1/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F1/42</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Orifices or nozzles</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="G01F1/44" definition-exists="false" ipc-concordant="G01F1/44" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F1/44</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Venturi tubes</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="G01F1/46" definition-exists="false" ipc-concordant="G01F1/46" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2020-08-01" status="published"><classification-symbol>G01F1/46</classification-symbol><class-title date-revised="2020-08-01"><title-part><text>Pitot tubes</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="G01F1/48" definition-exists="false" ipc-concordant="G01F1/48" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G01F1/48</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>the pressure or differential pressure being created by a capillary element</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G01F1/50" definition-exists="false" ipc-concordant="G01F1/50" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F1/50</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Correcting or compensating means</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G01F1/52" definition-exists="true" ipc-concordant="G01F1/52" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G01F1/52</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>by measuring the height of the fluid level due to the lifting power of the fluid flow</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G01F1/54" definition-exists="true" ipc-concordant="G01F1/54" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G01F1/54</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>by means of chains, flexible bands or wires introduced into and moved by, the flow</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G01F1/56" definition-exists="false" ipc-concordant="G01F1/56" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F1/56</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by using electric or magnetic effects </text><reference><text><class-ref scheme="cpc">G01F1/66</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="G01F1/58" definition-exists="false" ipc-concordant="G01F1/58" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>G01F1/58</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>by electromagnetic flowmeters</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G01F1/582" definition-exists="false" ipc-concordant="G01F1/58" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F1/582</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>without electrodes</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="G01F1/584" definition-exists="false" ipc-concordant="G01F1/58" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F1/584</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>constructions of electrodes, accessories therefor</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="G01F1/586" definition-exists="false" ipc-concordant="G01F1/58" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F1/586</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>constructions of coils, magnetic circuits, accessories therefor </text><reference><text><class-ref scheme="cpc">G01F1/582</class-ref> takes precedence; magnet; inductances; transformers; selection of materials for their magnetic properties <u>per se</u> <class-ref scheme="cpc">H01F</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="G01F1/588" definition-exists="false" ipc-concordant="G01F1/58" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F1/588</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>combined constructions of electrodes, coils or magnetic circuits, accessories therefor</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="G01F1/60" definition-exists="false" ipc-concordant="G01F1/60" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F1/60</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Circuits therefor</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G01F1/64" definition-exists="true" ipc-concordant="G01F1/64" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>G01F1/64</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>by measuring electrical currents passing through the fluid flow</text></title-part><title-part><text>measuring electrical potential generated by the fluid flow, e.g. by electrochemical, contact or friction effects </text><reference><text><class-ref scheme="cpc">G01F1/58</class-ref> takes precedence</text></reference></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G01F1/66" definition-exists="true" ipc-concordant="G01F1/66" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G01F1/66</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>by measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G01F1/661" definition-exists="true" ipc-concordant="G01F1/661" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G01F1/661</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>using light</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G01F1/662" definition-exists="true" ipc-concordant="G01F1/66" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F1/662</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Constructional details</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="G01F1/663" definition-exists="false" ipc-concordant="G01F1/663" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G01F1/663</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>by measuring Doppler frequency shift</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G01F1/665" definition-exists="true" ipc-concordant="G01F1/66" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F1/665</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of the drag-type</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="G01F1/666" definition-exists="true" ipc-concordant="G01F1/66" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F1/666</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by detecting noise and sounds generated by the flowing 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="G01F1/667" definition-exists="true" ipc-concordant="G01F1/667" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G01F1/667</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>Arrangements of transducers for ultrasonic flowmeters</text></title-part><title-part><text>Circuits for operating ultrasonic flowmeters</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G01F1/668" definition-exists="false" ipc-concordant="G01F1/667" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G01F1/668</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Compensating or correcting for variations in velocity of sound</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="G01F1/68" definition-exists="false" ipc-concordant="G01F1/68" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F1/68</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by using thermal effects</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G01F1/684" definition-exists="false" ipc-concordant="G01F1/684" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F1/684</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Structural arrangements</text></title-part><title-part><text>Mounting of elements, e.g. in relation to fluid flow</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G01F1/6842" definition-exists="false" ipc-concordant="G01F1/684" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F1/6842</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with means for influencing the 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="G01F1/6845" definition-exists="false" ipc-concordant="G01F1/684" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>G01F1/6845</classification-symbol><class-title date-revised="2017-08-01"><title-part><CPC-specific-text><text>Micromachined 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="G01F1/6847" definition-exists="false" ipc-concordant="G01F1/684" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F1/6847</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>where sensing or heating elements are not disturbing the fluid flow, e.g. elements mounted outside the flow duct</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="G01F1/688" definition-exists="false" ipc-concordant="G01F1/688" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F1/688</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using a particular type of heating, cooling or sensing element </text><CPC-specific-text><reference><text><class-ref scheme="cpc">G01F1/6847</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="G01F1/6882" definition-exists="false" ipc-concordant="G01F1/688" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F1/6882</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>making use of temperature dependence of acoustic properties, e.g. propagation speed of surface acoustic waves</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="G01F1/6884" definition-exists="false" ipc-concordant="G01F1/688" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F1/6884</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>making use of temperature dependence of optical properties</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="G01F1/6886" definition-exists="false" ipc-concordant="G01F1/688" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F1/6886</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Pyroelectric elements</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="G01F1/6888" definition-exists="false" ipc-concordant="G01F1/688" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F1/6888</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Thermoelectric elements, e.g. thermocouples, thermopiles</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="G01F1/69" definition-exists="false" ipc-concordant="G01F1/69" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F1/69</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of resistive type</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="G01F1/692" definition-exists="false" ipc-concordant="G01F1/692" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F1/692</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Thin-film arrangements</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="G01F1/696" definition-exists="false" ipc-concordant="G01F1/696" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F1/696</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Circuits therefor, e.g. constant-current flow meters</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G01F1/6965" definition-exists="false" ipc-concordant="G01F1/696" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F1/6965</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>comprising means to store calibration data for flow signal calculation or correction</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="G01F1/698" definition-exists="false" ipc-concordant="G01F1/698" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F1/698</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Feedback or rebalancing circuits, e.g. self heated constant temperature flowmeters</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G01F1/6983" definition-exists="false" ipc-concordant="G01F1/698" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F1/6983</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>adapted for burning-off deposits</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="G01F1/6986" definition-exists="false" ipc-concordant="G01F1/698" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F1/6986</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with pulsed heating, e.g. dynamic methods</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="G01F1/699" definition-exists="false" ipc-concordant="G01F1/699" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F1/699</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by control of a separate heating or cooling element</text></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G01F1/704" definition-exists="false" ipc-concordant="G01F1/704" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F1/704</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using marked regions or existing inhomogeneities within the fluid stream, e.g. statistically occurring variations in a fluid parameter </text><reference><text><class-ref scheme="cpc">G01F1/76</class-ref>, <class-ref scheme="cpc">G01F25/00</class-ref> take precedence</text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G01F1/7042" definition-exists="false" ipc-concordant="G01F1/704" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F1/7042</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using radioactive tracers</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="G01F1/7044" definition-exists="false" ipc-concordant="G01F1/704" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F1/7044</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using thermal tracers</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="G01F1/7046" definition-exists="false" ipc-concordant="G01F1/704" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F1/7046</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using electrical loaded particles as tracer, e.g. ions or electrons</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G01F1/7048" definition-exists="true" ipc-concordant="G01F1/704" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F1/7048</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the concentration of electrical loaded particles giving an indication of the flow</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="G01F1/708" definition-exists="false" ipc-concordant="G01F1/708" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F1/708</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Measuring the time taken to traverse a fixed distance</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G01F1/7082" definition-exists="false" ipc-concordant="G01F1/7082" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G01F1/7082</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>using acoustic detecting arrangements</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">G01F1/7082</class-ref> is impacted by reclassification into group <class-ref scheme="cpc">G01F1/712</class-ref>.<br/>Groups <class-ref scheme="cpc">G01F1/7082</class-ref> and <class-ref scheme="cpc">G01F1/712</class-ref> 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="10" additional-only="false" sort-key="G01F1/7084" definition-exists="false" ipc-concordant="G01F1/7084" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G01F1/7084</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>using thermal detecting arrangements</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">G01F1/7084</class-ref> is impacted by reclassification into group <class-ref scheme="cpc">G01F1/712</class-ref>. Groups <class-ref scheme="cpc">G01F1/7084</class-ref> and <class-ref scheme="cpc">G01F1/712</class-ref> 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="10" additional-only="false" sort-key="G01F1/7086" definition-exists="false" ipc-concordant="G01F1/7086" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G01F1/7086</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>using optical detecting arrangements</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">G01F1/7086</class-ref> is impacted by reclassification into group <class-ref scheme="cpc">G01F1/712</class-ref>.<br/>Groups <class-ref scheme="cpc">G01F1/7086</class-ref> and <class-ref scheme="cpc">G01F1/712</class-ref> 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="10" additional-only="false" sort-key="G01F1/7088" definition-exists="true" ipc-concordant="G01F1/7088" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G01F1/7088</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>using electrically charged particles as tracers</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">G01F1/7088</class-ref> is impacted by reclassification into group <class-ref scheme="cpc">G01F1/712</class-ref>.<br/>Groups <class-ref scheme="cpc">G01F1/7088</class-ref> and <class-ref scheme="cpc">G01F1/712</class-ref> 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="10" additional-only="false" sort-key="G01F1/712" definition-exists="false" ipc-concordant="G01F1/712" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G01F1/712</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>using auto-correlation or cross-correlation detection means</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">G01F1/712</class-ref> is incomplete pending reclassification of documents from groups <class-ref scheme="cpc">G01F1/7082</class-ref>, <class-ref scheme="cpc">G01F1/7084</class-ref>, <class-ref scheme="cpc">G01F1/7086</class-ref> and <class-ref scheme="cpc">G01F1/7088</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="10" additional-only="false" sort-key="G01F1/716" definition-exists="false" ipc-concordant="G01F1/716" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F1/716</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using electron paramagnetic resonance [EPR] or nuclear magnetic resonance [NMR]</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="G01F1/72" definition-exists="true" ipc-concordant="G01F1/72" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F1/72</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Devices for measuring pulsing fluid flows</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G01F1/74" definition-exists="true" ipc-concordant="G01F1/74" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F1/74</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Devices for measuring flow of a fluid or flow of a fluent solid material in suspension in another fluid</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G01F1/76" definition-exists="true" ipc-concordant="G01F1/76" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2020-08-01" status="published"><classification-symbol>G01F1/76</classification-symbol><class-title date-revised="2020-08-01"><title-part><text>Devices for measuring mass flow of a fluid or a fluent solid material</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G01F1/78" definition-exists="false" ipc-concordant="G01F1/78" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F1/78</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Direct mass flowmeters</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G01F1/785" definition-exists="true" ipc-concordant="G01F1/78" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F1/785</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using fluidic bridge circuits</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="G01F1/80" definition-exists="true" ipc-concordant="G01F1/80" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F1/80</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>operating by measuring pressure, force, momentum, or frequency of a fluid flow to which a rotational movement has been imparted</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G01F1/82" definition-exists="true" ipc-concordant="G01F1/82" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F1/82</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using a driven wheel as impeller and one or more other wheels or moving elements which are angularly restrained by a resilient member, e.g. spring member as the measuring device</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G01F1/84" definition-exists="false" ipc-concordant="G01F1/84" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G01F1/84</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>Coriolis or gyroscopic mass flowmeters</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="G01F1/8404" definition-exists="true" ipc-concordant="G01F1/84" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F1/8404</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>details of flowmeter manufacturing methods</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="G01F1/8409" definition-exists="true" ipc-concordant="G01F1/84" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F1/8409</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>constructional details</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="G01F1/8413" definition-exists="true" ipc-concordant="G01F1/84" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F1/8413</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>means for influencing the flowmeter&apos;s motional or vibrational behaviour, e.g., conduit support or fixing means, or conduit attachments</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="14" additional-only="false" sort-key="G01F1/8418" definition-exists="true" ipc-concordant="G01F1/84" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F1/8418</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>motion or vibration balancing 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="G01F1/8422" definition-exists="true" ipc-concordant="G01F1/84" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F1/8422</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>exciters</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="G01F1/8427" definition-exists="true" ipc-concordant="G01F1/84" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F1/8427</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>detectors</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="G01F1/8431" definition-exists="true" ipc-concordant="G01F1/84" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F1/8431</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>electronic circuits</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="G01F1/8436" definition-exists="true" ipc-concordant="G01F1/84" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F1/8436</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>signal processing</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="G01F1/844" definition-exists="true" ipc-concordant="G01F1/84" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>G01F1/844</classification-symbol><class-title date-revised="2017-08-01"><title-part><CPC-specific-text><text>microfluidic or miniaturised flowmeters</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="14" additional-only="false" sort-key="G01F1/8445" definition-exists="true" ipc-concordant="G01F1/84" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>G01F1/8445</classification-symbol><class-title date-revised="2017-08-01"><title-part><CPC-specific-text><text>micromachined flowmeters</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="G01F1/845" definition-exists="true" ipc-concordant="G01F1/84" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F1/845</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>arrangements of measuring means, e.g., of measuring conduits</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="G01F1/8454" definition-exists="true" ipc-concordant="G01F1/84" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F1/8454</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>rotating or rotatingly suspended measuring conduits</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="G01F1/8459" definition-exists="true" ipc-concordant="G01F1/84" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F1/8459</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>vibrating means being located inside the measuring conduits</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="G01F1/8463" definition-exists="true" ipc-concordant="G01F1/84" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F1/8463</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the measuring conduits&apos; cross-section being deformed during measurement, e.g. by periodically deflecting a portion of the conduits&apos; surface</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="G01F1/8468" definition-exists="true" ipc-concordant="G01F1/84" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F1/8468</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>vibrating measuring conduits</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="14" additional-only="false" sort-key="G01F1/8472" definition-exists="true" ipc-concordant="G01F1/84" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F1/8472</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>having curved measuring conduits, i.e. whereby the measuring conduits&apos; curved center line lies within a plane </text><reference><text><class-ref scheme="cpc">G01F1/8481</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="15" additional-only="false" sort-key="G01F1/8477" definition-exists="true" ipc-concordant="G01F1/84" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F1/8477</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with multiple measuring conduits</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="14" additional-only="false" sort-key="G01F1/8481" definition-exists="true" ipc-concordant="G01F1/84" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F1/8481</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>having loop-shaped measuring conduits, e.g. the measuring conduits form a loop with a crossing point</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="15" additional-only="false" sort-key="G01F1/8486" definition-exists="true" ipc-concordant="G01F1/84" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F1/8486</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with multiple measuring conduits</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="14" additional-only="false" sort-key="G01F1/849" definition-exists="true" ipc-concordant="G01F1/84" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F1/849</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>having straight measuring conduits</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="15" additional-only="false" sort-key="G01F1/8495" definition-exists="true" ipc-concordant="G01F1/84" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F1/8495</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with multiple measuring conduits</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></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="G01F1/86" definition-exists="false" ipc-concordant="G01F1/86" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F1/86</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Indirect mass flowmeters, e.g. measuring volume flow and density, temperature or pressure</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G01F1/88" definition-exists="false" ipc-concordant="G01F1/88" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G01F1/88</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>with differential-pressure measurement to determine the volume flow</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G01F1/90" definition-exists="false" ipc-concordant="G01F1/90" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G01F1/90</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>with positive-displacement meter or turbine meter to determine the volume flow</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="G01F3/00" definition-exists="true" ipc-concordant="G01F3/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F3/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Measuring the volume flow of fluids or fluent solid material wherein the fluid passes through the meter in successive and more or less isolated quantities, the meter being driven by the flow </text><reference><text>measuring a proportion of the volume flow <class-ref scheme="cpc">G01F5/00</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G01F3/02" definition-exists="false" ipc-concordant="G01F3/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F3/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with measuring chambers which expand or contract during measurement</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G01F3/04" definition-exists="false" ipc-concordant="G01F3/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F3/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>having rigid movable walls</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G01F3/06" definition-exists="false" ipc-concordant="G01F3/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F3/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>comprising members rotating in a fluid-tight or substantially fluid-tight manner in a housing</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G01F3/065" definition-exists="true" ipc-concordant="G01F3/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F3/065</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>sliding-vane meters</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="G01F3/08" definition-exists="true" ipc-concordant="G01F3/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G01F3/08</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>Rotary-piston or ring-piston meters</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G01F3/10" definition-exists="true" ipc-concordant="G01F3/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F3/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Geared or lobed impeller meters</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G01F3/12" definition-exists="true" ipc-concordant="G01F3/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F3/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Meters with nutating members, e.g. discs</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G01F3/14" definition-exists="false" ipc-concordant="G01F3/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G01F3/14</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>comprising reciprocating pistons, e.g. reciprocating in a rotating body</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G01F3/16" definition-exists="true" ipc-concordant="G01F3/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F3/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>in stationary cylinders</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="G01F3/18" definition-exists="true" ipc-concordant="G01F3/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F3/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>involving two or more cylinders</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="G01F3/20" definition-exists="true" ipc-concordant="G01F3/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2020-08-01" status="published"><classification-symbol>G01F3/20</classification-symbol><class-title date-revised="2020-08-01"><title-part><text>having flexible movable walls, e.g. diaphragms, bellows</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G01F3/22" definition-exists="false" ipc-concordant="G01F3/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F3/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for gases</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G01F3/221" definition-exists="false" ipc-concordant="G01F3/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F3/221</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Valves therefor </text><reference><text>valves for flowmeters in general <class-ref scheme="cpc">G01F15/005</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="G01F3/222" definition-exists="false" ipc-concordant="G01F3/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F3/222</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by drive mechanism for valves or membrane index mechanism</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="G01F3/223" definition-exists="false" ipc-concordant="G01F3/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F3/223</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with adjustment of stroke or timing; Calibration thereof; Testing</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="G01F3/224" definition-exists="false" ipc-concordant="G01F3/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F3/224</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with means for pressure or temperature compensation</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="G01F3/225" definition-exists="false" ipc-concordant="G01F3/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F3/225</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by constructional features of membranes or by means for improving proper functioning of membranes </text><reference><text>diaphragms for flowmeters in general <class-ref scheme="cpc">G01F15/16</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="G01F3/226" definition-exists="false" ipc-concordant="G01F3/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F3/226</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by features of meter body or housing</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="G01F3/227" definition-exists="false" ipc-concordant="G01F3/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F3/227</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by the means for transfer of membrane movement information to indicating means</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="G01F3/228" definition-exists="false" ipc-concordant="G01F3/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F3/228</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using mechanical transmission means</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="8" additional-only="false" sort-key="G01F3/24" definition-exists="false" ipc-concordant="G01F3/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G01F3/24</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>with measuring chambers moved during operation </text><reference><text>wet gas-meters <class-ref scheme="cpc">G01F3/30</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G01F3/26" definition-exists="true" ipc-concordant="G01F3/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F3/26</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Tilting-trap meters</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G01F3/28" definition-exists="true" ipc-concordant="G01F3/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F3/28</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>on carriers rotated by the weight of the liquid in the measuring chambers</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G01F3/30" definition-exists="false" ipc-concordant="G01F3/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F3/30</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Wet gas-meters</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G01F3/32" definition-exists="true" ipc-concordant="G01F3/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F3/32</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>comprising partitioned drums rotating or nutating in a liquid</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G01F3/34" definition-exists="true" ipc-concordant="G01F3/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F3/34</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>comprising bells reciprocating in a liquid</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G01F3/36" definition-exists="false" ipc-concordant="G01F3/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F3/36</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with stationary measuring chambers having constant volume during measurement </text><reference><text>with measuring chambers which expand or contract during measurement <class-ref scheme="cpc">G01F3/02</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G01F3/38" definition-exists="false" ipc-concordant="G01F3/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F3/38</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>having only one measuring chamber</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="G01F5/00" definition-exists="true" ipc-concordant="G01F5/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F5/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Measuring a proportion of the volume flow</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G01F5/005" definition-exists="false" ipc-concordant="G01F5/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F5/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by measuring pressure or differential pressure, created by the use of flow constriction</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="G01F7/00" definition-exists="true" ipc-concordant="G01F7/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F7/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Volume-flow measuring devices with two or more measuring ranges</text></title-part><title-part><text>Compound meters</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G01F7/005" definition-exists="false" ipc-concordant="G01F7/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F7/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by measuring pressure or differential pressure, created by the use of flow constriction</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="G01F9/00" definition-exists="true" ipc-concordant="G01F9/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F9/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Measuring volume flow relative to another variable, e.g. of liquid fuel for an engine</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G01F9/001" definition-exists="false" ipc-concordant="G01F9/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F9/001</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with electric, electro-mechanic or electronic means </text><reference><text><class-ref scheme="cpc">G01F9/008</class-ref> and <class-ref scheme="cpc">G01F9/02</class-ref> take 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="G01F9/003" definition-exists="false" ipc-concordant="G01F9/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F9/003</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by measuring the weight</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="G01F9/005" definition-exists="false" ipc-concordant="G01F9/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F9/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by using calibrated reservoirs</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="G01F9/006" definition-exists="false" ipc-concordant="G01F9/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F9/006</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with mechanic means </text><reference><text><class-ref scheme="cpc">G01F9/008</class-ref> and <class-ref scheme="cpc">G01F9/02</class-ref> take 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="G01F9/008" definition-exists="false" ipc-concordant="G01F9/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F9/008</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>where the other variable is the flight or running time</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="G01F9/02" definition-exists="false" ipc-concordant="G01F9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F9/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>wherein the other variable is the speed of a vehicle</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G01F9/023" definition-exists="false" ipc-concordant="G01F9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F9/023</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with electric, electro-mechanic or electronic 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="G01F9/026" definition-exists="false" ipc-concordant="G01F9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F9/026</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with mechanic means</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="true" level="6" additional-only="false" sort-key="G01F11/00" date-revised="2013-01-01" status="published"><classification-symbol>G01F11/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Metering by volume</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="G01F11/00" definition-exists="true" ipc-concordant="G01F11/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G01F11/00</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G01F11/003" definition-exists="false" ipc-concordant="G01F11/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F11/003</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for fluent solid material</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="G01F11/006" definition-exists="false" ipc-concordant="G01F11/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F11/006</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Details or accessories </text><reference><text>general details <class-ref scheme="cpc">G01F15/00</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="G01F11/02" definition-exists="false" ipc-concordant="G01F11/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F11/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with measuring chambers which expand or contract during measurement</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G01F11/021" definition-exists="false" ipc-concordant="G01F11/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F11/021</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of the piston type </text><reference><text><class-ref scheme="cpc">G01F11/04</class-ref> takes 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="G01F11/022" definition-exists="false" ipc-concordant="G01F11/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F11/022</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of the gun type and actuated by fluid pressure or by a motor </text><reference><text>air-operated grease guns <class-ref scheme="cpc">F16N5/02</class-ref>; devices to fill holes or cracks <class-ref scheme="cpc">B05C17/002</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="G01F11/023" definition-exists="false" ipc-concordant="G01F11/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F11/023</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with provision for varying the stroke of the piston</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="G01F11/024" definition-exists="false" ipc-concordant="G01F11/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F11/024</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the pistons reciprocating in rotatable cylinders </text><reference><text>dough-dividing machines with division boxes in a revolving body with radially-working pistons <class-ref scheme="cpc">A21C5/04</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="G01F11/025" definition-exists="false" ipc-concordant="G01F11/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F11/025</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with manually operated pistons </text><reference><text><class-ref scheme="cpc">G01F19/005</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="G01F11/026" definition-exists="false" ipc-concordant="G01F11/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F11/026</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of the gun type </text><reference><text>hand operated grease guns <class-ref scheme="cpc">F16N3/12</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="G01F11/027" definition-exists="false" ipc-concordant="G01F11/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F11/027</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of the syringe type</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="G01F11/028" definition-exists="false" ipc-concordant="G01F11/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F11/028</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the dosing device being provided with a dip tube and fitted to a container, e.g. to a bottleneck</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="G01F11/029" definition-exists="false" ipc-concordant="G01F11/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F11/029</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>provided with electric controlling means </text><reference><text><class-ref scheme="cpc">G01F11/022</class-ref> and <class-ref scheme="cpc">G01F11/024</class-ref> take 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="G01F11/04" definition-exists="false" ipc-concordant="G01F11/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F11/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of the free-piston type</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G01F11/06" definition-exists="false" ipc-concordant="G01F11/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F11/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with provision for varying the stroke of the piston</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G01F11/08" definition-exists="false" ipc-concordant="G01F11/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2020-08-01" status="published"><classification-symbol>G01F11/08</classification-symbol><class-title date-revised="2020-08-01"><title-part><text>of the diaphragm or bellows type</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G01F11/082" definition-exists="false" ipc-concordant="G01F11/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F11/082</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of the squeeze container type </text><reference><text>using squeeze bottles or the like for soap <class-ref scheme="cpc">A47K5/122</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="G01F11/084" definition-exists="false" ipc-concordant="G01F11/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F11/084</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using a bulb to pressurise the fluid to be dispersed</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="G01F11/086" definition-exists="false" ipc-concordant="G01F11/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F11/086</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using an auxiliary pressure to cooperate with the diaphragm or bellows</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="G01F11/088" definition-exists="false" ipc-concordant="G01F11/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F11/088</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using a deformable conduit-like element</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="G01F11/10" definition-exists="false" ipc-concordant="G01F11/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F11/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with measuring chambers moved during operation</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G01F11/12" definition-exists="false" ipc-concordant="G01F11/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F11/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of the valve type, i.e. the separating being effected by fluid-tight or powder-tight movements </text><reference><text>involving the tilting or inverting of the supply vessel <class-ref scheme="cpc">G01F11/26</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G01F11/125" definition-exists="false" ipc-concordant="G01F11/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F11/125</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of the peristaltic pump type </text><reference><text>peristaltic pumps <u>per se</u> <class-ref scheme="cpc">F04B43/12</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="G01F11/14" definition-exists="false" ipc-concordant="G01F11/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F11/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>wherein the measuring chamber reciprocates</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G01F11/16" definition-exists="false" ipc-concordant="G01F11/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>G01F11/16</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>for liquid or semiliquid</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G01F11/18" definition-exists="false" ipc-concordant="G01F11/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F11/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for fluent solid material</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G01F11/20" definition-exists="false" ipc-concordant="G01F11/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F11/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>wherein the measuring chamber rotates or oscillates</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G01F11/22" definition-exists="false" ipc-concordant="G01F11/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>G01F11/22</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>for liquid or semiliquid</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G01F11/24" definition-exists="false" ipc-concordant="G01F11/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F11/24</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for fluent solid material</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="G01F11/26" definition-exists="false" ipc-concordant="G01F11/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G01F11/26</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>wherein the measuring chamber is filled and emptied by tilting or inverting the supply vessel, e.g. bottle-emptying apparatus</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G01F11/261" definition-exists="true" ipc-concordant="G01F11/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F11/261</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for fluent solid material</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="G01F11/262" definition-exists="true" ipc-concordant="G01F11/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F11/262</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for liquid or semi-liquid</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G01F11/263" definition-exists="true" ipc-concordant="G01F11/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F11/263</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with valves</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="G01F11/265" definition-exists="false" ipc-concordant="G01F11/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F11/265</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of the ball type</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="G01F11/266" definition-exists="false" ipc-concordant="G01F11/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F11/266</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using the syphonic effect</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="G01F11/267" definition-exists="false" ipc-concordant="G01F11/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F11/267</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with counters for counting the numbers of measures delivered</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="G01F11/268" definition-exists="false" ipc-concordant="G01F11/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F11/268</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with provision for varying the volume to be delivered</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="G01F11/28" definition-exists="false" ipc-concordant="G01F11/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2020-08-01" status="published"><classification-symbol>G01F11/28</classification-symbol><class-title date-revised="2020-08-01"><title-part><text>with stationary measuring chambers having constant volume during measurement</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G01F11/282" definition-exists="false" ipc-concordant="G01F11/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F11/282</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for fluent solid material not provided for in <class-ref scheme="cpc">G01F11/34</class-ref>, <class-ref scheme="cpc">G01F11/40</class-ref>, <class-ref scheme="cpc">G01F11/46</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="G01F11/284" definition-exists="false" ipc-concordant="G01F11/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-05-01" status="published"><classification-symbol>G01F11/284</classification-symbol><class-title date-revised="2016-05-01"><title-part><CPC-specific-text><text>combined with electric level detecting means </text><reference><text><class-ref scheme="cpc">G01F11/282</class-ref>, <class-ref scheme="cpc">G01F11/30</class-ref>&#160;-&#160;<class-ref scheme="cpc">G01F11/46</class-ref> take precedence</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="G01F11/286" definition-exists="true" ipc-concordant="G01F11/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F11/286</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>where filling of the measuring chamber is effected by squeezing a supply container that is in fluid connection with the measuring chamber and excess fluid is sucked back from the measuring chamber during relaxation of the supply container</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="G01F11/288" definition-exists="true" ipc-concordant="G01F11/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F11/288</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>squeezing of the supply vessel causing filling of the measuring chamber and backflow from the measuring chamber to the supply vessel being prevented by a check valve </text><reference><text><class-ref scheme="cpc">G01F11/46</class-ref> take precedence</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="G01F11/30" definition-exists="false" ipc-concordant="G01F11/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F11/30</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with supply and discharge valves of the lift or plug-lift type</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G01F11/32" definition-exists="true" ipc-concordant="G01F11/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>G01F11/32</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>for liquid or semiliquid</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G01F11/34" definition-exists="false" ipc-concordant="G01F11/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F11/34</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for fluent solid material</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G01F11/36" definition-exists="false" ipc-concordant="G01F11/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G01F11/36</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>with supply or discharge valves of the rectilinearly-moved slide type</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G01F11/38" definition-exists="false" ipc-concordant="G01F11/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>G01F11/38</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>for liquid or semiliquid</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G01F11/40" definition-exists="true" ipc-concordant="G01F11/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F11/40</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for fluent solid material</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G01F11/42" definition-exists="false" ipc-concordant="G01F11/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G01F11/42</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>with supply or discharge valves of the rotary or oscillatory type</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G01F11/44" definition-exists="false" ipc-concordant="G01F11/44" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>G01F11/44</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>for liquid or semiliquid</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G01F11/46" definition-exists="false" ipc-concordant="G01F11/46" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F11/46</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for fluent solid material</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="G01F13/00" definition-exists="true" ipc-concordant="G01F13/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F13/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Apparatus for measuring by volume and delivering fluids or fluent solid materials, not provided for in the preceding groups</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G01F13/001" definition-exists="false" ipc-concordant="G01F13/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F13/001</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for fluent solid material</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G01F13/003" definition-exists="false" ipc-concordant="G01F13/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F13/003</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>comprising a conveyor belt</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="G01F13/005" definition-exists="false" ipc-concordant="G01F13/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F13/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>comprising a screw conveyor</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="G01F13/006" definition-exists="false" ipc-concordant="G01F13/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F13/006</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>measuring volume in function of time</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="G01F13/008" definition-exists="false" ipc-concordant="G01F13/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F13/008</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>taps comprising counting- and recording means </text><reference><text>counting devices, counting of objects in general <class-ref scheme="cpc">G06M</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="G01F15/00" definition-exists="true" ipc-concordant="G01F15/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G01F15/00</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>Details of, or accessories for, apparatus of groups <class-ref scheme="cpc">G01F1/00</class-ref> - <class-ref scheme="cpc">G01F13/00</class-ref> insofar as such details or appliances are not adapted to particular types of such apparatus</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G01F15/001" definition-exists="false" ipc-concordant="G01F15/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F15/001</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Means for regulating or setting the meter for a predetermined quantity</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G01F15/002" definition-exists="false" ipc-concordant="G01F15/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F15/002</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for gases</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="G01F15/003" definition-exists="false" ipc-concordant="G01F15/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F15/003</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using electromagnetic, electric or electronic means </text><reference><text><class-ref scheme="cpc">G01F15/002</class-ref>, <class-ref scheme="cpc">G01F15/02</class-ref> 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="G01F15/005" definition-exists="false" ipc-concordant="G01F15/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F15/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Valves </text><reference><text>valves in general <class-ref scheme="cpc">F16K</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="G01F15/006" definition-exists="false" ipc-concordant="G01F15/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F15/006</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by the use of a particular material, e.g. anti-corrosive material </text><reference><text><class-ref scheme="cpc">G01F15/14</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="G01F15/007" definition-exists="false" ipc-concordant="G01F15/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F15/007</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>comprising means to prevent fraud</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="G01F15/008" definition-exists="false" ipc-concordant="G01F15/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F15/008</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>comprising lubricating 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="G01F15/02" definition-exists="false" ipc-concordant="G01F15/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F15/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Compensating or correcting for variations in pressure, density or temperature</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G01F15/022" definition-exists="false" ipc-concordant="G01F15/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F15/022</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using electrical means</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G01F15/024" definition-exists="false" ipc-concordant="G01F15/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F15/024</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>involving digital counting</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="G01F15/026" definition-exists="false" ipc-concordant="G01F15/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F15/026</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using means to maintain zero differential pressure across the motor </text><reference><text><class-ref scheme="cpc">G01F1/08</class-ref> and <class-ref scheme="cpc">G01F1/12</class-ref> take precedence</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="G01F15/028" definition-exists="false" ipc-concordant="G01F15/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F15/028</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for low flow rates</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="G01F15/04" definition-exists="false" ipc-concordant="G01F15/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F15/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of gases to be measured</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G01F15/043" definition-exists="false" ipc-concordant="G01F15/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F15/043</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using electrical means</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G01F15/046" definition-exists="false" ipc-concordant="G01F15/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F15/046</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>involving digital counting</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="8" additional-only="false" sort-key="G01F15/06" definition-exists="false" ipc-concordant="G01F15/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G01F15/06</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>Indicating or recording devices</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G01F15/061" definition-exists="false" ipc-concordant="G01F15/061" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G01F15/061</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>for remote indication</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G01F15/063" definition-exists="false" ipc-concordant="G01F15/063" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G01F15/063</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>using electrical means</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G01F15/065" definition-exists="false" ipc-concordant="G01F15/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F15/065</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with transmission devices, e.g. mechanical</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G01F15/066" definition-exists="false" ipc-concordant="G01F15/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F15/066</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>involving magnetic transmission devices</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="G01F15/068" definition-exists="false" ipc-concordant="G01F15/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F15/068</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with electrical means </text><reference><text><class-ref scheme="cpc">G01F15/063</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="8" additional-only="false" sort-key="G01F15/07" definition-exists="false" ipc-concordant="G01F15/07" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G01F15/07</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>Integration to give total flow, e.g. using mechanically-operated integrating mechanism</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G01F15/075" definition-exists="false" ipc-concordant="G01F15/075" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G01F15/075</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>using electrically-operated integrating means</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G01F15/0755" definition-exists="false" ipc-concordant="G01F15/075" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2014-02-04" status="published"><classification-symbol>G01F15/0755</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>involving digital counting</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="G01F15/08" definition-exists="false" ipc-concordant="G01F15/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G01F15/08</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>Air or gas separators in combination with liquid meters</text></title-part><title-part><text>Liquid separators in combination with gas-meters</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G01F15/10" definition-exists="false" ipc-concordant="G01F15/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F15/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Preventing damage by freezing or excess pressure or insufficient pressure</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G01F15/105" definition-exists="false" ipc-concordant="G01F15/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F15/105</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Preventing damage by hydraulic shocks</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="G01F15/12" definition-exists="false" ipc-concordant="G01F15/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2020-08-01" status="published"><classification-symbol>G01F15/12</classification-symbol><class-title date-revised="2020-08-01"><title-part><text>Cleaning arrangements</text></title-part><title-part><text>Filters</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G01F15/125" definition-exists="false" ipc-concordant="G01F15/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F15/125</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Filters</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="G01F15/14" definition-exists="false" ipc-concordant="G01F15/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F15/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Casings, e.g. of special material</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G01F15/16" definition-exists="false" ipc-concordant="G01F15/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F15/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Diaphragms</text></title-part><title-part><text>Bellows</text></title-part><title-part><text>Mountings therefor</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G01F15/18" definition-exists="false" ipc-concordant="G01F15/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F15/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Supports or connecting means for meters</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G01F15/185" definition-exists="false" ipc-concordant="G01F15/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F15/185</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Connecting means, e.g. bypass conduits</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="true" level="6" additional-only="false" sort-key="G01F17/00" date-revised="2013-01-01" status="published"><classification-symbol>G01F17/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Measuring volume</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="G01F17/00" definition-exists="true" ipc-concordant="G01F17/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F17/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Methods or apparatus for determining the capacity of containers or cavities, or the volume of solid bodies </text><reference><text>measuring linear dimensions to determine volume <class-ref scheme="cpc">G01B</class-ref></text></reference></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="G01F19/00" definition-exists="true" ipc-concordant="G01F19/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2020-08-01" status="published"><classification-symbol>G01F19/00</classification-symbol><class-title date-revised="2020-08-01"><title-part><text>Calibrated capacity measures for fluids or fluent solid material, e.g. measuring cups</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G01F19/002" definition-exists="true" ipc-concordant="G01F19/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F19/002</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Measuring spoons or scoops</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="G01F19/005" definition-exists="true" ipc-concordant="G01F19/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F19/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for semi-liquid, e.g. fat</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="G01F19/007" definition-exists="true" ipc-concordant="G01F19/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F19/007</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for non fluent solid material, e.g. filamentary</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="G01F22/00" definition-exists="true" ipc-concordant="G01F22/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F22/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Methods or apparatus for measuring volume of fluids or fluent solid material, not otherwise provided for</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G01F22/02" definition-exists="false" ipc-concordant="G01F22/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F22/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>involving measurement of pressure</text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="G01F23/00" definition-exists="true" ipc-concordant="G01F23/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G01F23/00</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G01F23/0007" definition-exists="false" ipc-concordant="G01F23/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-05-01" status="published"><classification-symbol>G01F23/0007</classification-symbol><class-title date-revised="2016-05-01"><title-part><CPC-specific-text><text>for discrete indicating and measuring </text><reference><text><class-ref scheme="cpc">G01F23/02</class-ref>&#160;-&#160;<class-ref scheme="cpc">G01F23/28</class-ref> take 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="G01F23/0015" definition-exists="false" ipc-concordant="G01F23/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F23/0015</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with a whistle or other sonorous signal</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="G01F23/0023" definition-exists="false" ipc-concordant="G01F23/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F23/0023</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with a probe suspended by a wire or thread </text><reference><text>with floats <class-ref scheme="cpc">G01F23/40</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="G01F23/003" definition-exists="false" ipc-concordant="G01F23/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F23/003</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with a probe suspended by rotatable arms </text><reference><text>with floats <class-ref scheme="cpc">G01F23/32</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="G01F23/0038" definition-exists="false" ipc-concordant="G01F23/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-05-01" status="published"><classification-symbol>G01F23/0038</classification-symbol><class-title date-revised="2016-05-01"><title-part><CPC-specific-text><text>using buoyant probes </text><reference><text>with floats <class-ref scheme="cpc">G01F23/30</class-ref>&#160;-&#160;<class-ref scheme="cpc">G01F23/76</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="G01F23/0046" definition-exists="false" ipc-concordant="G01F23/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F23/0046</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with a stationary probe, where a liquid specimen is separated from the mean mass and measured </text><reference><text>by gauge glasses <class-ref scheme="cpc">G01F23/02</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="G01F23/0053" definition-exists="false" ipc-concordant="G01F23/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F23/0053</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with over-flow pipes</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="G01F23/02" definition-exists="false" ipc-concordant="G01F23/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F23/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by gauge glasses or other apparatus involving a window or transparent tube for directly observing the level to be measured or the level of a liquid column in free communication with the main body of the liquid</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G01F23/04" definition-exists="false" ipc-concordant="G01F23/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F23/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by dip members, e.g. dip-sticks</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G01F23/045" definition-exists="false" ipc-concordant="G01F23/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F23/045</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>cleaning means therefor (e.g. dip-stick wipers)</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="G01F23/14" definition-exists="true" ipc-concordant="G01F23/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2020-08-01" status="published"><classification-symbol>G01F23/14</classification-symbol><class-title date-revised="2020-08-01"><title-part><text>by measurement of pressure</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G01F23/16" definition-exists="false" ipc-concordant="G01F23/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F23/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Indicating, recording, or alarm devices being actuated by mechanical or fluid means, e.g. using gas, mercury, or a diaphragm as transmitting element, or by a column of liquid</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G01F23/161" definition-exists="false" ipc-concordant="G01F23/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F23/161</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for discrete levels </text><reference><text><class-ref scheme="cpc">G01F23/162</class-ref> - <class-ref scheme="cpc">G01F23/165</class-ref> take 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="G01F23/162" definition-exists="false" ipc-concordant="G01F23/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F23/162</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by a liquid column</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="G01F23/164" definition-exists="false" ipc-concordant="G01F23/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F23/164</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using a diaphragm, bellow as transmitting 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="G01F23/165" definition-exists="false" ipc-concordant="G01F23/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F23/165</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of bubbler type</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G01F23/167" definition-exists="false" ipc-concordant="G01F23/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F23/167</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with mechanic or fluid indicating or recording</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="G01F23/168" definition-exists="false" ipc-concordant="G01F23/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F23/168</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with electric indicating or recording</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="G01F23/18" definition-exists="false" ipc-concordant="G01F23/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F23/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Indicating, recording or alarm devices actuated electrically</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G01F23/185" definition-exists="false" ipc-concordant="G01F23/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F23/185</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for discrete levels</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="G01F23/20" definition-exists="true" ipc-concordant="G01F23/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2020-08-01" status="published"><classification-symbol>G01F23/20</classification-symbol><class-title date-revised="2020-08-01"><title-part><text>by measurement of weight, e.g. to determine the level of stored liquefied gas</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G01F23/205" definition-exists="false" ipc-concordant="G01F23/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F23/205</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for discrete levels</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="G01F23/22" definition-exists="false" ipc-concordant="G01F23/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G01F23/22</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water </text><reference><text>involving the use of floats <class-ref scheme="cpc">G01F23/30</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G01F23/223" definition-exists="false" ipc-concordant="G01F23/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F23/223</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using a melting or dissolving material as a part of alarm-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="G01F23/226" definition-exists="false" ipc-concordant="G01F23/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F23/226</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>measuring the braking of a rotatable 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="G01F23/24" definition-exists="false" ipc-concordant="G01F23/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F23/24</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by measuring variations of resistance of resistors due to contact with conductor fluid</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G01F23/241" definition-exists="false" ipc-concordant="G01F23/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F23/241</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for discrete levels</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G01F23/242" definition-exists="false" ipc-concordant="G01F23/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F23/242</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Mounting arrangements for electrodes</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="G01F23/243" definition-exists="false" ipc-concordant="G01F23/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F23/243</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Schematic arrangements of probes combined with measuring circuits</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="G01F23/244" definition-exists="false" ipc-concordant="G01F23/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F23/244</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>comprising oscillating circuits</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="G01F23/245" definition-exists="false" ipc-concordant="G01F23/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F23/245</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with a probe moved by an auxiliary power, e.g. meter, to follow automatically the level</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="G01F23/246" definition-exists="false" ipc-concordant="G01F23/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F23/246</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>thermal devices</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G01F23/247" definition-exists="false" ipc-concordant="G01F23/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F23/247</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for discrete levels</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="G01F23/248" definition-exists="false" ipc-concordant="G01F23/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F23/248</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Constructional details; Mounting of probes</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="G01F23/26" definition-exists="true" ipc-concordant="G01F23/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F23/26</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by measuring variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G01F23/261" definition-exists="false" ipc-concordant="G01F23/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F23/261</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for discrete levels</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="G01F23/263" definition-exists="false" ipc-concordant="G01F23/263" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G01F23/263</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>by measuring variations in capacitance of capacitors</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G01F23/265" definition-exists="false" ipc-concordant="G01F23/263" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G01F23/265</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for discrete levels</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="G01F23/266" definition-exists="false" ipc-concordant="G01F23/263" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G01F23/266</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>measuring circuits therefor</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="G01F23/268" definition-exists="false" ipc-concordant="G01F23/263" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G01F23/268</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>mounting arrangements of probes</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="G01F23/28" definition-exists="false" ipc-concordant="G01F23/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G01F23/28</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G01F23/282" definition-exists="false" ipc-concordant="G01F23/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F23/282</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for discrete levels </text><reference><text><class-ref scheme="cpc">G01F23/284</class-ref>, <class-ref scheme="cpc">G01F23/296</class-ref> take 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="G01F23/284" definition-exists="false" ipc-concordant="G01F23/284" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F23/284</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Electromagnetic waves</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G01F23/2845" definition-exists="false" ipc-concordant="G01F23/284" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F23/2845</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for discrete levels </text><reference><text><class-ref scheme="cpc">G01F23/288</class-ref>, <class-ref scheme="cpc">G01F23/292</class-ref> take 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="G01F23/288" definition-exists="false" ipc-concordant="G01F23/288" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F23/288</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>X-rays</text></title-part><title-part><text>Gamma rays </text><CPC-specific-text><text>or other forms of ionising radiation</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="G01F23/2885" definition-exists="false" ipc-concordant="G01F23/288" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F23/2885</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for discrete levels</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="G01F23/292" definition-exists="false" ipc-concordant="G01F23/292" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-08-01" status="published"><classification-symbol>G01F23/292</classification-symbol><class-title date-revised="2016-08-01"><title-part><text>Light </text><CPC-specific-text><text>, e.g. infra-red or ultra-violet</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="G01F23/2921" definition-exists="false" ipc-concordant="G01F23/292" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F23/2921</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for discrete levels</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="G01F23/2922" definition-exists="false" ipc-concordant="G01F23/292" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F23/2922</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with light-conducting sensing elements, e.g. prisms</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="14" additional-only="false" sort-key="G01F23/2924" definition-exists="false" ipc-concordant="G01F23/292" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F23/2924</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for several discrete levels, e.g. with more than one light-conducting sensing element </text><reference><text><class-ref scheme="cpc">G01F23/2927</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="14" additional-only="false" sort-key="G01F23/2925" definition-exists="false" ipc-concordant="G01F23/292" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F23/2925</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using electrical detecting means</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="15" additional-only="false" sort-key="G01F23/2927" definition-exists="false" ipc-concordant="G01F23/292" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F23/2927</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for several discrete levels, e.g. with more than one light-conducting 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="13" additional-only="false" sort-key="G01F23/2928" definition-exists="false" ipc-concordant="G01F23/292" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F23/2928</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using light reflected on the material surface</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="G01F23/296" definition-exists="false" ipc-concordant="G01F23/296" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F23/296</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Acoustic waves</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G01F23/2961" definition-exists="false" ipc-concordant="G01F23/296" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-05-01" status="published"><classification-symbol>G01F23/2961</classification-symbol><class-title date-revised="2016-05-01"><title-part><CPC-specific-text><text>for discrete levels </text><reference><text><class-ref scheme="cpc">G01F23/2962</class-ref>&#160;-&#160;<class-ref scheme="cpc">G01F23/2968</class-ref> take 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="G01F23/2962" definition-exists="true" ipc-concordant="G01F23/2962" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G01F23/2962</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>Measuring transit time of reflected waves</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="G01F23/2963" definition-exists="false" ipc-concordant="G01F23/2962" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G01F23/2963</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>magnetostrictive</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="G01F23/2965" definition-exists="true" ipc-concordant="G01F23/2965" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G01F23/2965</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>Measuring attenuation of transmitted waves</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G01F23/2966" definition-exists="false" ipc-concordant="G01F23/296" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F23/2966</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>making use of acoustical resonance or standing waves</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="G01F23/2967" definition-exists="false" ipc-concordant="G01F23/296" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F23/2967</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for discrete levels</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="G01F23/2968" definition-exists="false" ipc-concordant="G01F23/296" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F23/2968</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Transducers specially adapted for acoustic level indicators</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="8" additional-only="false" sort-key="G01F23/30" definition-exists="true" ipc-concordant="G01F23/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2020-08-01" status="published"><classification-symbol>G01F23/30</classification-symbol><class-title date-revised="2020-08-01"><title-part><text>by floats</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G01F23/303" definition-exists="false" ipc-concordant="G01F23/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F23/303</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by means to prevent fault-level readings due to turbulence of the fluid, e.g. special float housings</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="G01F23/306" definition-exists="false" ipc-concordant="G01F23/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F23/306</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using radioactive radiation</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="G01F23/32" definition-exists="false" ipc-concordant="G01F23/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F23/32</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using rotatable arms or other pivotable transmission elements</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G01F23/34" definition-exists="false" ipc-concordant="G01F23/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F23/34</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using mechanically actuated indicating means </text><CPC-specific-text><reference><text><class-ref scheme="cpc">G01F23/38</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="G01F23/345" definition-exists="false" ipc-concordant="G01F23/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F23/345</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using pneumatically or hydraulically actuated indicating 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="G01F23/36" definition-exists="false" ipc-concordant="G01F23/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F23/36</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using electrically actuated indicating means </text><CPC-specific-text><reference><text><class-ref scheme="cpc">G01F23/38</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="G01F23/363" definition-exists="false" ipc-concordant="G01F23/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F23/363</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using electromechanically actuated indicating means</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="G01F23/366" definition-exists="false" ipc-concordant="G01F23/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F23/366</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using optoelectrically actuated indicating 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="G01F23/38" definition-exists="false" ipc-concordant="G01F23/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2015-11-01" status="published"><classification-symbol>G01F23/38</classification-symbol><class-title date-revised="2015-11-01"><title-part><text>using magnetically actuated indicating means</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G01F23/40" definition-exists="false" ipc-concordant="G01F23/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F23/40</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using bands or wires as transmission elements</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G01F23/42" definition-exists="false" ipc-concordant="G01F23/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F23/42</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using mechanically actuated indicating means</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G01F23/425" definition-exists="false" ipc-concordant="G01F23/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F23/425</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using pneumatically or hydraulically actuated indicating 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="G01F23/44" definition-exists="false" ipc-concordant="G01F23/44" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F23/44</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using electrically actuated indicating means</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G01F23/443" definition-exists="false" ipc-concordant="G01F23/44" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F23/443</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using electromechanically actuated indicating means</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="G01F23/446" definition-exists="false" ipc-concordant="G01F23/44" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F23/446</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using opto-electrically actuated indicating 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="G01F23/46" definition-exists="false" ipc-concordant="G01F23/46" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F23/46</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using magnetically actuated indicating means</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G01F23/48" definition-exists="false" ipc-concordant="G01F23/48" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G01F23/48</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>using twisted spindles as transmission elements</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G01F23/50" definition-exists="false" ipc-concordant="G01F23/50" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F23/50</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using mechanically actuated indicating means</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G01F23/505" definition-exists="false" ipc-concordant="G01F23/50" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F23/505</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using hydraulically or pneumatically actuated indicating 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="G01F23/52" definition-exists="false" ipc-concordant="G01F23/52" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F23/52</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using electrically actuated indicating means</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G01F23/523" definition-exists="false" ipc-concordant="G01F23/52" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F23/523</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using electromechanically actuated indicating means</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="G01F23/526" definition-exists="false" ipc-concordant="G01F23/52" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F23/526</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using opto-electrically actuated indicating 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="G01F23/54" definition-exists="false" ipc-concordant="G01F23/54" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F23/54</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using magnetically actuated indicating means</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G01F23/543" definition-exists="false" ipc-concordant="G01F23/54" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F23/543</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using magnets only as coupling means in a mechanical transmission path</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="G01F23/546" definition-exists="false" ipc-concordant="G01F23/54" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F23/546</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using magnets only for directly actuating of switches</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="G01F23/56" definition-exists="false" ipc-concordant="G01F23/56" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G01F23/56</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>using elements rigidly fixed to, and rectilinearly moving with, the floats as transmission elements</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G01F23/58" definition-exists="false" ipc-concordant="G01F23/58" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F23/58</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using mechanically actuated indicating means</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G01F23/585" definition-exists="false" ipc-concordant="G01F23/58" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F23/585</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using pneumatically or hydraulically actuated indicating 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="G01F23/60" definition-exists="false" ipc-concordant="G01F23/60" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F23/60</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using electrically actuated indicating means</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G01F23/603" definition-exists="false" ipc-concordant="G01F23/60" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F23/603</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using electromechanically actuated indicating means</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="G01F23/606" definition-exists="false" ipc-concordant="G01F23/60" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F23/606</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using opto-electrically actuated indicating 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="G01F23/62" definition-exists="false" ipc-concordant="G01F23/62" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F23/62</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using magnetically actuated indicating means</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G01F23/64" definition-exists="false" ipc-concordant="G01F23/64" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F23/64</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of the free float type </text><CPC-specific-text><text>without mechanical transmission elements</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G01F23/66" definition-exists="false" ipc-concordant="G01F23/66" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F23/66</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using mechanically actuated indicating means</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G01F23/665" definition-exists="false" ipc-concordant="G01F23/66" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F23/665</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using pneumatically or hydraulically actuated indicating 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="G01F23/68" definition-exists="false" ipc-concordant="G01F23/68" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F23/68</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using electrically actuated indicating means</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G01F23/683" definition-exists="false" ipc-concordant="G01F23/68" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F23/683</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using electromechanically actuated indicating means</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="G01F23/686" definition-exists="false" ipc-concordant="G01F23/68" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F23/686</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using opto-electrically actuated indicating means</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="G01F23/70" definition-exists="false" ipc-concordant="G01F23/70" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F23/70</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for sensing changes in level only at discrete points</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="G01F23/703" definition-exists="false" ipc-concordant="G01F23/70" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F23/703</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using electromechanically actuated indicating means</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="G01F23/706" definition-exists="false" ipc-concordant="G01F23/70" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F23/706</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using opto-electrically actuated indicating means</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="G01F23/72" definition-exists="false" ipc-concordant="G01F23/72" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F23/72</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using magnetically actuated indicating means</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G01F23/74" definition-exists="false" ipc-concordant="G01F23/74" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F23/74</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for sensing changes in level only at discrete points</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="G01F23/76" definition-exists="false" ipc-concordant="G01F23/76" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F23/76</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterised by the construction of the 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="G01F23/80" definition-exists="true" ipc-concordant="G01F23/80" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G01F23/80</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>Arrangements for signal processing</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G01F23/802" definition-exists="false" ipc-concordant="G01F23/80" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G01F23/802</classification-symbol><class-title date-revised="2022-01-01"><title-part><CPC-specific-text><text>Particular electronic circuits for digital processing equipment</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G01F23/804" definition-exists="false" ipc-concordant="G01F23/80" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G01F23/804</classification-symbol><class-title date-revised="2022-01-01"><title-part><CPC-specific-text><text>containing circuits handling parameters other than liquid level</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="G01F23/806" definition-exists="false" ipc-concordant="G01F23/80" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G01F23/806</classification-symbol><class-title date-revised="2022-01-01"><title-part><CPC-specific-text><text>Particular electronic circuits for handling non-digital processing equipment</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G01F23/808" definition-exists="false" ipc-concordant="G01F23/80" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G01F23/808</classification-symbol><class-title date-revised="2022-01-01"><title-part><CPC-specific-text><text>containing circuits handling parameters other than liquid level</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="G01F25/00" definition-exists="true" ipc-concordant="G01F25/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G01F25/00</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G01F25/0084" definition-exists="false" ipc-concordant="G01F25/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F25/0084</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for measuring volume</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="G01F25/0092" definition-exists="false" ipc-concordant="G01F25/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01F25/0092</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for metering by volume</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="G01F25/10" definition-exists="false" ipc-concordant="G01F25/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G01F25/10</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>of flowmeters</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G01F25/11" definition-exists="false" ipc-concordant="G01F25/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G01F25/11</classification-symbol><class-title date-revised="2022-01-01"><title-part><CPC-specific-text><text>using a seal ball or piston in a test loop</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="G01F25/12" definition-exists="false" ipc-concordant="G01F25/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G01F25/12</classification-symbol><class-title date-revised="2022-01-01"><title-part><CPC-specific-text><text>using tracer</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="G01F25/13" definition-exists="false" ipc-concordant="G01F25/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G01F25/13</classification-symbol><class-title date-revised="2022-01-01"><title-part><CPC-specific-text><text>using a reference counter</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="G01F25/14" definition-exists="false" ipc-concordant="G01F25/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G01F25/14</classification-symbol><class-title date-revised="2022-01-01"><title-part><CPC-specific-text><text>using a weighing apparatus</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="G01F25/15" definition-exists="false" ipc-concordant="G01F25/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G01F25/15</classification-symbol><class-title date-revised="2022-01-01"><title-part><CPC-specific-text><text>specially adapted for gas meters </text><reference><text><class-ref scheme="cpc">G01F25/11</class-ref> - <class-ref scheme="cpc">G01F25/14</class-ref>, <class-ref scheme="cpc">G01F25/17</class-ref> take precedence</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="G01F25/17" definition-exists="false" ipc-concordant="G01F25/17" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G01F25/17</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>using calibrated reservoirs</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G01F25/20" definition-exists="false" ipc-concordant="G01F25/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G01F25/20</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>of apparatus for measuring liquid level</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G01F25/22" definition-exists="false" ipc-concordant="G01F25/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G01F25/22</classification-symbol><class-title date-revised="2022-01-01"><title-part><CPC-specific-text><text>Checking proper indicating of discrete level by floats</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="G01F25/24" definition-exists="false" ipc-concordant="G01F25/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G01F25/24</classification-symbol><class-title date-revised="2022-01-01"><title-part><CPC-specific-text><text>Testing proper functioning of electronic circuits</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item></classification-item></classification-item></class-scheme>