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ZSI_Reconnect_China/PATSTAT/CPC_data/CPCSchemeXML202302/cpc-scheme-F24D.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="F24D" definition-exists="true" date-revised="2020-01-01" status="published"><classification-symbol>F24D</classification-symbol><class-title date-revised="2020-01-01"><title-part><text>DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS</text></title-part><title-part><text>DOMESTIC HOT-WATER SUPPLY SYSTEMS</text></title-part><title-part><text>ELEMENTS OR COMPONENTS THEREFOR </text><reference><text>using steam or condensate extracted or exhausted from steam engine plants for heating purposes <class-ref scheme="cpc">F01K17/02</class-ref></text></reference></title-part></class-title><notes-and-warnings date-revised="2013-01-01"><note type="note"><note-paragraph>In this subclass, the following expression is used with the meaning indicated: <subnote type="bullet"><note-paragraph>&quot;Central heating system&quot; means a system in which heat is generated or stored at central sources and is distributed by means of a transfer fluid to the spaces or areas to be heated.</note-paragraph></subnote></note-paragraph></note><note type="warning"><note-paragraph> <CPC-specific-note>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.</CPC-specific-note> </note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="true" level="6" additional-only="false" sort-key="F24D1/00" date-revised="2013-01-01" status="published"><classification-symbol>F24D1/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Central Heating Systems</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F24D1/00" definition-exists="true" ipc-concordant="F24D1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2020-01-01" status="published"><classification-symbol>F24D1/00</classification-symbol><class-title date-revised="2020-01-01"><title-part><text>Steam central heating systems </text><reference><text>district heating systems <class-ref scheme="cpc">F24D10/00</class-ref>; central heating systems using heat accumulated in storage masses <class-ref scheme="cpc">F24D11/00</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F24D1/005" definition-exists="false" ipc-concordant="F24D1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D1/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>in combination with systems for domestic water supply</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="F24D1/02" definition-exists="false" ipc-concordant="F24D1/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D1/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>operating with live steam </text><CPC-specific-text><reference><text><class-ref scheme="cpc">F24D1/005</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F24D1/04" definition-exists="false" ipc-concordant="F24D1/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D1/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>operating with exhaust steam </text><CPC-specific-text><reference><text><class-ref scheme="cpc">F24D1/005</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F24D1/06" definition-exists="false" ipc-concordant="F24D1/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D1/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>operating with superheated steam </text><CPC-specific-text><reference><text><class-ref scheme="cpc">F24D1/005</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F24D1/08" definition-exists="false" ipc-concordant="F24D1/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D1/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Feed-line arrangements, e.g. providing for heat-accumulator tanks, expansion tanks</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F24D3/00" definition-exists="true" ipc-concordant="F24D3/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2020-01-01" status="published"><classification-symbol>F24D3/00</classification-symbol><class-title date-revised="2020-01-01"><title-part><text>Hot-water central heating systems </text><reference><text>district heating systems <class-ref scheme="cpc">F24D10/00</class-ref>; central heating systems using heat accumulated in storage masses <class-ref scheme="cpc">F24D11/00</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F24D3/005" definition-exists="false" ipc-concordant="F24D3/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-05-01" status="published"><classification-symbol>F24D3/005</classification-symbol><class-title date-revised="2018-05-01"><title-part><CPC-specific-text><text>combined with solar energy </text><reference><text>solar heat collectors <u>per se</u> <class-ref scheme="cpc">F24S</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="F24D3/02" definition-exists="false" ipc-concordant="F24D3/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D3/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with forced circulation, e.g. by pumps </text><reference><text>pump constructions <class-ref scheme="cpc">F04</class-ref></text></reference></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F24D3/04" definition-exists="false" ipc-concordant="F24D3/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D3/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with the water under high pressure</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F24D3/06" definition-exists="false" ipc-concordant="F24D3/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D3/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Arrangements or devices for maintaining high pressure</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F24D3/08" definition-exists="false" ipc-concordant="F24D3/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D3/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>in combination with systems for domestic hot-water supply</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F24D3/082" definition-exists="false" ipc-concordant="F24D3/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D3/082</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Hot water storage tanks specially adapted therefor</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F24D3/085" definition-exists="false" ipc-concordant="F24D3/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D3/085</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Double-walled tanks</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="F24D3/087" definition-exists="false" ipc-concordant="F24D3/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D3/087</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Tap water heat exchangers specially adapted therefore</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="F24D3/10" definition-exists="false" ipc-concordant="F24D3/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D3/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Feed-line arrangements, e.g. providing for heat-accumulator tanks, expansion tanks </text><CPC-specific-text><text>Hydraulic components of a central heating system</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F24D3/1008" definition-exists="false" ipc-concordant="F24D3/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D3/1008</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>expansion tanks</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F24D3/1016" definition-exists="false" ipc-concordant="F24D3/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D3/1016</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Tanks having a bladder</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="F24D3/1025" definition-exists="false" ipc-concordant="F24D3/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D3/1025</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Compressor controlled pressure heads</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="F24D3/1033" definition-exists="false" ipc-concordant="F24D3/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D3/1033</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with compressed gas cylinder</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="F24D3/1041" definition-exists="false" ipc-concordant="F24D3/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D3/1041</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Flow-through</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="F24D3/105" definition-exists="false" ipc-concordant="F24D3/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D3/105</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>pumps combined with multiple way valves</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="F24D3/1058" definition-exists="false" ipc-concordant="F24D3/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D3/1058</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>disposition of pipes and pipe connections</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F24D3/1066" definition-exists="false" ipc-concordant="F24D3/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D3/1066</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Distributors for heating liquids</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F24D3/1075" definition-exists="false" ipc-concordant="F24D3/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D3/1075</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Built up from modules</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="F24D3/1083" definition-exists="false" ipc-concordant="F24D3/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D3/1083</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Filling valves or arrangements for filling</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="F24D3/1091" definition-exists="false" ipc-concordant="F24D3/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D3/1091</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Mixing cylinders</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="F24D3/12" definition-exists="true" ipc-concordant="F24D3/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2020-01-01" status="published"><classification-symbol>F24D3/12</classification-symbol><class-title date-revised="2020-01-01"><title-part><text>Tube and panel arrangements for ceiling, wall, or underfloor heating </text><reference><text>electric underfloor heating <class-ref scheme="cpc">F24D13/02</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F24D3/122" definition-exists="false" ipc-concordant="F24D3/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D3/122</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Details</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F24D3/125" definition-exists="false" ipc-concordant="F24D3/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D3/125</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Hydraulic pipe connections</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="F24D3/127" definition-exists="false" ipc-concordant="F24D3/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D3/127</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Mechanical connections between panels</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="F24D3/14" definition-exists="false" ipc-concordant="F24D3/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D3/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>incorporated in a ceiling, wall or floor</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F24D3/141" definition-exists="false" ipc-concordant="F24D3/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D3/141</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Tube mountings specially adapted therefor</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F24D3/142" definition-exists="false" ipc-concordant="F24D3/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D3/142</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>integrated in prefab construction 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="F24D3/143" definition-exists="false" ipc-concordant="F24D3/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D3/143</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Tube clips with barbed anchors</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="F24D3/144" definition-exists="false" ipc-concordant="F24D3/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D3/144</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Clips for fastening heating tubes on a reinforcement net or mesh, e.g. mesh for concrete reinforcement</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="F24D3/145" definition-exists="false" ipc-concordant="F24D3/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D3/145</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Convecting elements concealed in wall or floor</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="F24D3/146" definition-exists="false" ipc-concordant="F24D3/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D3/146</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Tubes specially adapted for underfloor heating</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="F24D3/147" definition-exists="false" ipc-concordant="F24D3/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D3/147</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>arranged in facades</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="F24D3/148" definition-exists="false" ipc-concordant="F24D3/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D3/148</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with heat spreading plates</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="F24D3/149" definition-exists="false" ipc-concordant="F24D3/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D3/149</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Tube-laying 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="F24D3/16" definition-exists="false" ipc-concordant="F24D3/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D3/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>mounted on, or adjacent to, a ceiling, wall or floor</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F24D3/165" definition-exists="false" ipc-concordant="F24D3/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D3/165</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Suspended radiant heating ceiling</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="F24D3/18" definition-exists="false" ipc-concordant="F24D3/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D3/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using heat pumps</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F24D5/00" definition-exists="true" ipc-concordant="F24D5/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2020-01-01" status="published"><classification-symbol>F24D5/00</classification-symbol><class-title date-revised="2020-01-01"><title-part><text>Hot-air central heating systems </text><reference><text>district heating systems <class-ref scheme="cpc">F24D10/00</class-ref>; central heating systems using heat accumulated in storage masses <class-ref scheme="cpc">F24D11/00</class-ref>; air conditioning <class-ref scheme="cpc">F24F</class-ref></text></reference></title-part><title-part><text>Exhaust gas central heating systems</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F24D5/005" definition-exists="false" ipc-concordant="F24D5/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>F24D5/005</classification-symbol><class-title date-revised="2022-01-01"><title-part><CPC-specific-text><text>combined with solar energy</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F24D5/02" definition-exists="false" ipc-concordant="F24D5/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D5/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>operating with discharge of hot air into the space or area to be heated</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F24D5/04" definition-exists="false" ipc-concordant="F24D5/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D5/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with return of the air or the air-heater</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F24D5/06" definition-exists="false" ipc-concordant="F24D5/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D5/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>operating without discharge of hot air into the space or area to be heated</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F24D5/08" definition-exists="false" ipc-concordant="F24D5/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D5/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with hot air led through radiators</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F24D5/10" definition-exists="false" ipc-concordant="F24D5/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D5/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with hot air led through heat-exchange ducts in the walls, floor or ceiling</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F24D5/12" definition-exists="false" ipc-concordant="F24D5/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D5/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using heat pumps</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F24D7/00" definition-exists="true" ipc-concordant="F24D7/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>F24D7/00</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>Central heating systems employing heat-transfer fluids not covered by groups <class-ref scheme="cpc">F24D1/00</class-ref> - <class-ref scheme="cpc">F24D5/00</class-ref>, e.g. oil, salt or gas </text><reference><text>district heating systems <class-ref scheme="cpc">F24D10/00</class-ref>; central heating systems using heat accumulated in storage masses <class-ref scheme="cpc">F24D11/00</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="F24D9/00" definition-exists="true" ipc-concordant="F24D9/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2020-01-01" status="published"><classification-symbol>F24D9/00</classification-symbol><class-title date-revised="2020-01-01"><title-part><text>Central heating systems employing combinations of heat transfer fluids covered by two or more of groups <class-ref scheme="cpc">F24D1/00</class-ref>&#160;-&#160;<class-ref scheme="cpc">F24D7/00</class-ref> </text><reference><text>district heating systems <class-ref scheme="cpc">F24D10/00</class-ref>; central heating systems using heat accumulated in storage masses <class-ref scheme="cpc">F24D11/00</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F24D9/02" definition-exists="false" ipc-concordant="F24D9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D9/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Hot water and steam systems</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F24D10/00" definition-exists="true" ipc-concordant="F24D10/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D10/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>District heating systems</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F24D10/003" definition-exists="false" ipc-concordant="F24D10/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D10/003</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Domestic delivery stations having a heat exchanger</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="F24D10/006" definition-exists="false" ipc-concordant="F24D10/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D10/006</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Direct domestic delivery stations</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="F24D11/00" definition-exists="true" ipc-concordant="F24D11/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2020-01-01" status="published"><classification-symbol>F24D11/00</classification-symbol><class-title date-revised="2020-01-01"><title-part><text>Central heating systems using heat accumulated in storage masses </text><reference><text>self-contained storage heating units <class-ref scheme="cpc">F24D15/02</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F24D11/001" definition-exists="false" ipc-concordant="F24D11/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D11/001</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>district heating system</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="F24D11/002" definition-exists="false" ipc-concordant="F24D11/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D11/002</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>water heating system</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F24D11/003" definition-exists="false" ipc-concordant="F24D11/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D11/003</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>combined with solar energy</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="F24D11/004" definition-exists="false" ipc-concordant="F24D11/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D11/004</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with conventional supplementary heat source</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="F24D11/005" definition-exists="false" ipc-concordant="F24D11/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D11/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with recuperation of waste heat</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="F24D11/006" definition-exists="false" ipc-concordant="F24D11/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D11/006</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>air heating system</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F24D11/007" definition-exists="false" ipc-concordant="F24D11/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D11/007</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>combined with solar energy</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="F24D11/008" definition-exists="false" ipc-concordant="F24D11/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D11/008</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with conventional supplementary heat source</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="F24D11/009" definition-exists="false" ipc-concordant="F24D11/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D11/009</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with recuperation of waste heat</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="F24D11/02" definition-exists="true" ipc-concordant="F24D11/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2020-01-01" status="published"><classification-symbol>F24D11/02</classification-symbol><class-title date-revised="2020-01-01"><title-part><text>using heat pumps</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F24D11/0207" definition-exists="false" ipc-concordant="F24D11/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D11/0207</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>district heating system</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="F24D11/0214" definition-exists="false" ipc-concordant="F24D11/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D11/0214</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>water heating system</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F24D11/0221" definition-exists="false" ipc-concordant="F24D11/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D11/0221</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>combined with solar energy</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="F24D11/0228" definition-exists="false" ipc-concordant="F24D11/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D11/0228</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>combined with conventional heater</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="F24D11/0235" definition-exists="false" ipc-concordant="F24D11/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D11/0235</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with recuperation of waste energy</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F24D11/0242" definition-exists="false" ipc-concordant="F24D11/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D11/0242</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>contained in exhausted air</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="F24D11/025" definition-exists="false" ipc-concordant="F24D11/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D11/025</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>contained in waste water</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="F24D11/0257" definition-exists="false" ipc-concordant="F24D11/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D11/0257</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>air heating system</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F24D11/0264" definition-exists="false" ipc-concordant="F24D11/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D11/0264</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>combined with solar energy</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="F24D11/0271" definition-exists="false" ipc-concordant="F24D11/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D11/0271</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>combined with conventional energy</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="F24D11/0278" definition-exists="false" ipc-concordant="F24D11/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D11/0278</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with recuperation of waste energy</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F24D11/0285" definition-exists="false" ipc-concordant="F24D11/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D11/0285</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>contained in exhausted air</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="F24D11/0292" definition-exists="false" ipc-concordant="F24D11/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D11/0292</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>contained in waste water</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="7" additional-only="false" sort-key="F24D12/00" definition-exists="true" ipc-concordant="F24D12/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D12/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Other central heating systems</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F24D12/02" definition-exists="false" ipc-concordant="F24D12/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2020-01-01" status="published"><classification-symbol>F24D12/02</classification-symbol><class-title date-revised="2020-01-01"><title-part><text>having more than one heat source </text><reference><text>using heat pumps, in water central heating systems <class-ref scheme="cpc">F24D3/18</class-ref>; in air central heating systems <class-ref scheme="cpc">F24D5/12</class-ref>; in systems using heat storage masses <class-ref scheme="cpc">F24D11/02</class-ref></text></reference></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="true" level="6" additional-only="false" sort-key="F24D13/00" date-revised="2013-01-01" status="published"><classification-symbol>F24D13/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Other domestic- or space-heating systems</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F24D13/00" definition-exists="true" ipc-concordant="F24D13/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2020-01-01" status="published"><classification-symbol>F24D13/00</classification-symbol><class-title date-revised="2020-01-01"><title-part><text>Electric heating systems</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F24D13/02" definition-exists="false" ipc-concordant="F24D13/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>F24D13/02</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>solely using resistance heating, e.g. underfloor heating</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F24D13/022" definition-exists="false" ipc-concordant="F24D13/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D13/022</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>resistances incorporated in construction elements</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F24D13/024" definition-exists="false" ipc-concordant="F24D13/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D13/024</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>in walls, floors, ceilings</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="F24D13/026" definition-exists="false" ipc-concordant="F24D13/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D13/026</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>in door, windows</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="F24D13/028" definition-exists="false" ipc-concordant="F24D13/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D13/028</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Glass panels, e.g. mirrors, design radiators, etc.</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="F24D13/04" definition-exists="false" ipc-concordant="F24D13/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D13/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using electric heating of heat-transfer fluid in separate units of the system</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F24D15/00" definition-exists="true" ipc-concordant="F24D15/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D15/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Other domestic- or space-heating systems</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F24D15/02" definition-exists="false" ipc-concordant="F24D15/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D15/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>consisting of self-contained heating units, e.g. storage heaters</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F24D15/04" definition-exists="false" ipc-concordant="F24D15/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D15/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using heat pumps</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F24D17/00" definition-exists="true" ipc-concordant="F24D17/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2020-01-01" status="published"><classification-symbol>F24D17/00</classification-symbol><class-title date-revised="2020-01-01"><title-part><text>Domestic hot-water supply systems</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F24D17/0005" definition-exists="false" ipc-concordant="F24D17/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D17/0005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using recuperation of waste heat </text><reference><text><class-ref scheme="cpc">F24D17/0036</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F24D17/001" definition-exists="false" ipc-concordant="F24D17/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D17/001</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with accumulation of heated water</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="F24D17/0015" definition-exists="false" ipc-concordant="F24D17/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D17/0015</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using solar energy </text><reference><text><class-ref scheme="cpc">F24D17/0036</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F24D17/0021" definition-exists="false" ipc-concordant="F24D17/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D17/0021</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with accumulation of the heated water</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="F24D17/0026" definition-exists="false" ipc-concordant="F24D17/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D17/0026</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with conventional heating means </text><reference><text><class-ref scheme="cpc">F24D17/0036</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F24D17/0031" definition-exists="false" ipc-concordant="F24D17/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D17/0031</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with accumulation of the heated water</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="F24D17/0036" definition-exists="false" ipc-concordant="F24D17/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D17/0036</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with combination of different kinds of heating means</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F24D17/0042" definition-exists="false" ipc-concordant="F24D17/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D17/0042</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>recuperated waste heat and solar energy</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F24D17/0047" definition-exists="false" ipc-concordant="F24D17/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D17/0047</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with accumulation of the heated water</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="F24D17/0052" definition-exists="false" ipc-concordant="F24D17/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D17/0052</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>recuperated waste heat and conventional heating means</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F24D17/0057" definition-exists="false" ipc-concordant="F24D17/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D17/0057</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with accumulation of the heated water</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="F24D17/0063" definition-exists="false" ipc-concordant="F24D17/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D17/0063</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>solar energy and conventional heaters</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F24D17/0068" definition-exists="false" ipc-concordant="F24D17/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D17/0068</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with accumulation of the heated water</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="F24D17/0073" definition-exists="false" ipc-concordant="F24D17/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>F24D17/0073</classification-symbol><class-title date-revised="2017-08-01"><title-part><CPC-specific-text><text>Arrangements for preventing the occurrence or proliferation of microorganisms in the water</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="F24D17/0078" definition-exists="false" ipc-concordant="F24D17/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D17/0078</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Recirculation systems</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F24D17/0084" definition-exists="false" ipc-concordant="F24D17/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D17/0084</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Coaxial tubings</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="F24D17/0089" definition-exists="false" ipc-concordant="F24D17/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D17/0089</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Additional heating means, e.g. electric heated buffer tanks or electric continuous flow heaters, located close to the consumer, e.g. directly before the water taps in bathrooms, in domestic hot water lines</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="F24D17/0094" definition-exists="false" ipc-concordant="F24D17/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D17/0094</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Recovering of cold water</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="F24D17/02" definition-exists="false" ipc-concordant="F24D17/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D17/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using heat pumps</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F24D18/00" definition-exists="true" ipc-concordant="F24D18/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>F24D18/00</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>Small-scale combined heat and power [CHP] generation systems specially adapted for domestic heating, space heating or domestic hot-water supply</text></title-part></class-title><notes-and-warnings><note type="note"><note-paragraph>In this group, it is desirable to add the indexing codes of groups <class-ref scheme="cpc">F24D2101/00</class-ref> - <class-ref scheme="cpc">F24D2105/00</class-ref>.</note-paragraph></note><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">F24D18/00</class-ref> is incomplete pending reclassification of documents from groups <class-ref scheme="cpc">F24H2240/00</class-ref>, <class-ref scheme="cpc">F24H2240/01</class-ref>, <class-ref scheme="cpc">F24H2240/02</class-ref>, <class-ref scheme="cpc">F24H2240/04</class-ref>, <class-ref scheme="cpc">F24H2240/06</class-ref>, <class-ref scheme="cpc">F24H2240/08</class-ref>, <class-ref scheme="cpc">F24H2240/09</class-ref>, <class-ref scheme="cpc">F24H2240/10</class-ref>, <class-ref scheme="cpc">F24H2240/12</class-ref>, <class-ref scheme="cpc">F24H2240/122</class-ref>, <class-ref scheme="cpc">F24H2240/125</class-ref> and <class-ref scheme="cpc">F24H2240/127</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="7" additional-only="false" sort-key="F24D19/00" definition-exists="true" ipc-concordant="F24D19/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D19/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Details </text><reference><text>of water or air heaters <class-ref scheme="cpc">F24H9/00</class-ref>; of heat-exchange or heat-transfer apparatus, of general application <class-ref scheme="cpc">F28F</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F24D19/0002" definition-exists="false" ipc-concordant="F24D19/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D19/0002</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Means for connecting central heating radiators to circulation pipes</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F24D19/0004" definition-exists="false" ipc-concordant="F24D19/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D19/0004</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>In a one pipe system</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F24D19/0007" definition-exists="false" ipc-concordant="F24D19/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D19/0007</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Comprising regulation means</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="F24D19/0009" definition-exists="false" ipc-concordant="F24D19/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D19/0009</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>In a two pipe system</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F24D19/0012" definition-exists="false" ipc-concordant="F24D19/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D19/0012</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Comprising regulation means</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="F24D19/0014" definition-exists="false" ipc-concordant="F24D19/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D19/0014</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Connection means adaptable for one and two pipe systems</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="F24D19/0017" definition-exists="false" ipc-concordant="F24D19/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D19/0017</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Connections between supply and inlet or outlet of central heating radiators</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F24D19/0019" definition-exists="false" ipc-concordant="F24D19/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D19/0019</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Means for adapting connections</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="F24D19/0021" definition-exists="false" ipc-concordant="F24D19/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D19/0021</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Flexible tubes or hoses</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="F24D19/0024" definition-exists="false" ipc-concordant="F24D19/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D19/0024</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Connections for plate radiators</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="F24D19/0026" definition-exists="false" ipc-concordant="F24D19/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D19/0026</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Places of the inlet on the radiator</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F24D19/0029" definition-exists="false" ipc-concordant="F24D19/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D19/0029</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>on a top corner</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="F24D19/0031" definition-exists="false" ipc-concordant="F24D19/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D19/0031</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>on the top in the middle</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="F24D19/0034" definition-exists="false" ipc-concordant="F24D19/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D19/0034</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>on a bottom corner</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="F24D19/0036" definition-exists="false" ipc-concordant="F24D19/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D19/0036</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>on the bottom in the middle</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="F24D19/0039" definition-exists="false" ipc-concordant="F24D19/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D19/0039</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Places of the outlet on the radiator</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F24D19/0087" definition-exists="false" ipc-concordant="F24D19/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D19/0087</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Fan arrangements for forced convection</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F24D19/0206" definition-exists="false" ipc-concordant="F24D19/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D19/0206</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Tube shaped supports inserted into a wall</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F24D19/0246" definition-exists="false" ipc-concordant="F24D19/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D19/0246</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Means for moving the radiator vertically to adjust the radiator position</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="F24D19/025" definition-exists="false" ipc-concordant="F24D19/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D19/025</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Eccentric means for moving the radiator vertically</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="F24D19/0253" definition-exists="false" ipc-concordant="F24D19/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D19/0253</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Adjusting a dimension, e.g. length, of the radiator support, e.g. telescopic rails</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F24D19/0259" definition-exists="false" ipc-concordant="F24D19/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D19/0259</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Radiators clamped by supporting means around a column or tube</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="F24D19/0263" definition-exists="false" ipc-concordant="F24D19/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D19/0263</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Radiators clamped by supporting means between two columns or tubes</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="F24D19/0273" definition-exists="false" ipc-concordant="F24D19/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D19/0273</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Radiators fixed in order to prevent undesired detachment</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F24D19/0276" definition-exists="false" ipc-concordant="F24D19/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D19/0276</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Radiators fixed on the bottom</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="F24D19/0279" definition-exists="false" ipc-concordant="F24D19/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D19/0279</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Radiators fixed on the sides</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="F24D19/0283" definition-exists="false" ipc-concordant="F24D19/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D19/0283</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Radiators fixed on the top</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="F24D19/0286" definition-exists="false" ipc-concordant="F24D19/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D19/0286</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Radiators fixed using a spring</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F24D19/0289" definition-exists="false" ipc-concordant="F24D19/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D19/0289</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Radiators fixed using a flexible clip</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="F24D19/0293" definition-exists="false" ipc-concordant="F24D19/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D19/0293</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Radiators rotating without being demounted</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="F24D19/04" definition-exists="false" ipc-concordant="F24D19/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D19/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>in skirtings</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F24D19/06" definition-exists="false" ipc-concordant="F24D19/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D19/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Casings, cover lids or ornamental panels, for radiators</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F24D19/061" definition-exists="false" ipc-concordant="F24D19/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D19/061</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Radiator shelves</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="F24D19/062" definition-exists="false" ipc-concordant="F24D19/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D19/062</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Heat reflecting or insulating shields</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="F24D19/064" definition-exists="false" ipc-concordant="F24D19/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D19/064</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Coverings not directly attached to a radiator, e.g. box-like coverings</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="F24D19/065" definition-exists="false" ipc-concordant="F24D19/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D19/065</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Grids attached to the radiator and covering its top</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="F24D19/067" definition-exists="false" ipc-concordant="F24D19/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D19/067</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Front coverings attached to the radiator</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="F24D19/068" definition-exists="false" ipc-concordant="F24D19/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D19/068</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Side coverings attached to the radiator</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="F24D19/08" definition-exists="true" ipc-concordant="F24D19/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2020-01-01" status="published"><classification-symbol>F24D19/08</classification-symbol><class-title date-revised="2020-01-01"><title-part><text>Arrangements for drainage, venting or aerating </text><reference><text>valves for venting or aerating <class-ref scheme="cpc">F16K24/00</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F24D19/081" definition-exists="false" ipc-concordant="F24D19/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D19/081</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for steam heating systems</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="F24D19/082" definition-exists="false" ipc-concordant="F24D19/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D19/082</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for water heating systems</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F24D19/083" definition-exists="false" ipc-concordant="F24D19/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D19/083</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Venting arrangements</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F24D19/085" definition-exists="false" ipc-concordant="F24D19/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D19/085</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Arrangement of venting valves for central heating radiators</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F24D19/086" definition-exists="false" ipc-concordant="F24D19/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D19/086</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>hand-operated</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="F24D19/087" definition-exists="false" ipc-concordant="F24D19/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D19/087</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>automatic</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="F24D19/088" definition-exists="false" ipc-concordant="F24D19/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D19/088</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Draining arrangements</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="F24D19/10" definition-exists="true" ipc-concordant="F24D19/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>F24D19/10</classification-symbol><class-title date-revised="2020-01-01"><title-part><text>Arrangement or mounting of control or safety devices </text><reference><text>only the heater being controlled <class-ref scheme="cpc">F24H9/20</class-ref></text></reference></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">F24D19/10</class-ref> is impacted by reclassification into groups <class-ref scheme="cpc">F24H15/00</class-ref> - <class-ref scheme="cpc">F24H15/493</class-ref>.<br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F24D19/1003" definition-exists="false" ipc-concordant="F24D19/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>F24D19/1003</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for steam heating systems</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">F24D19/1003</class-ref> is impacted by reclassification into groups <class-ref scheme="cpc">F24H15/00</class-ref> - <class-ref scheme="cpc">F24H15/493</class-ref>.<br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F24D19/1006" definition-exists="false" ipc-concordant="F24D19/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>F24D19/1006</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for water heating systems</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">F24D19/1006</class-ref> is impacted by reclassification into groups <class-ref scheme="cpc">F24H15/00</class-ref> - <class-ref scheme="cpc">F24H15/493</class-ref>.<br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F24D19/1009" definition-exists="false" ipc-concordant="F24D19/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>F24D19/1009</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for central heating</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">F24D19/1009</class-ref> is impacted by reclassification into groups <class-ref scheme="cpc">F24H15/00</class-ref> - <class-ref scheme="cpc">F24H15/493</class-ref>.<br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F24D19/1012" definition-exists="false" ipc-concordant="F24D19/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>F24D19/1012</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by regulating the speed of a pump</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">F24D19/1012</class-ref> is impacted by reclassification into groups <class-ref scheme="cpc">F24H15/00</class-ref> - <class-ref scheme="cpc">F24H15/493</class-ref>.<br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F24D19/1015" definition-exists="false" ipc-concordant="F24D19/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>F24D19/1015</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using a valve or valves</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">F24D19/1015</class-ref> is impacted by reclassification into groups <class-ref scheme="cpc">F24H15/00</class-ref> - <class-ref scheme="cpc">F24H15/493</class-ref>.<br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F24D19/1018" definition-exists="false" ipc-concordant="F24D19/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>F24D19/1018</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Radiator valves</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">F24D19/1018</class-ref> is impacted by reclassification into groups <class-ref scheme="cpc">F24H15/00</class-ref> - <class-ref scheme="cpc">F24H15/493</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="12" additional-only="false" sort-key="F24D19/1021" definition-exists="false" ipc-concordant="F24D19/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>F24D19/1021</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>a by pass valve</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">F24D19/1021</class-ref> is impacted by reclassification into groups <class-ref scheme="cpc">F24H15/00</class-ref> - <class-ref scheme="cpc">F24H15/493</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="12" additional-only="false" sort-key="F24D19/1024" definition-exists="false" ipc-concordant="F24D19/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>F24D19/1024</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>a multiple way valve</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">F24D19/1024</class-ref> is impacted by reclassification into groups <class-ref scheme="cpc">F24H15/00</class-ref> - <class-ref scheme="cpc">F24H15/493</class-ref>.<br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="F24D19/1027" definition-exists="false" ipc-concordant="F24D19/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>F24D19/1027</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>hand operated</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">F24D19/1027</class-ref> is impacted by reclassification into groups <class-ref scheme="cpc">F24H15/00</class-ref> - <class-ref scheme="cpc">F24H15/493</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="13" additional-only="false" sort-key="F24D19/103" definition-exists="false" ipc-concordant="F24D19/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>F24D19/103</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>bimetal operated</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">F24D19/103</class-ref> is impacted by reclassification into groups <class-ref scheme="cpc">F24H15/00</class-ref> - <class-ref scheme="cpc">F24H15/493</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="13" additional-only="false" sort-key="F24D19/1033" definition-exists="false" ipc-concordant="F24D19/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>F24D19/1033</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>motor operated</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">F24D19/1033</class-ref> is impacted by reclassification into groups <class-ref scheme="cpc">F24H15/00</class-ref> - <class-ref scheme="cpc">F24H15/493</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>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F24D19/1036" definition-exists="false" ipc-concordant="F24D19/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>F24D19/1036</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Having differential pressure measurement facilities</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">F24D19/1036</class-ref> is impacted by reclassification into groups <class-ref scheme="cpc">F24H15/00</class-ref> - <class-ref scheme="cpc">F24H15/493</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>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F24D19/1039" definition-exists="false" ipc-concordant="F24D19/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>F24D19/1039</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the system uses a heat pump</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">F24D19/1039</class-ref> is impacted by reclassification into groups <class-ref scheme="cpc">F24H15/00</class-ref> - <class-ref scheme="cpc">F24H15/493</class-ref>.<br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F24D19/1042" definition-exists="false" ipc-concordant="F24D19/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>F24D19/1042</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the system uses solar energy</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">F24D19/1042</class-ref> is impacted by reclassification into groups <class-ref scheme="cpc">F24H15/00</class-ref> - <class-ref scheme="cpc">F24H15/493</class-ref>.<br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F24D19/1045" definition-exists="false" ipc-concordant="F24D19/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>F24D19/1045</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the system uses a heat pump and solar energy</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">F24D19/1045</class-ref> is impacted by reclassification into groups <class-ref scheme="cpc">F24H15/00</class-ref> - <class-ref scheme="cpc">F24H15/493</class-ref>.<br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F24D19/1048" definition-exists="false" ipc-concordant="F24D19/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>F24D19/1048</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Counting of energy consumption</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">F24D19/1048</class-ref> is impacted by reclassification into groups <class-ref scheme="cpc">F24H15/00</class-ref> - <class-ref scheme="cpc">F24H15/493</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>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F24D19/1051" definition-exists="false" ipc-concordant="F24D19/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>F24D19/1051</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for domestic hot water</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">F24D19/1051</class-ref> is impacted by reclassification into groups <class-ref scheme="cpc">F24H15/00</class-ref> - <class-ref scheme="cpc">F24H15/493</class-ref>.<br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F24D19/1054" definition-exists="false" ipc-concordant="F24D19/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>F24D19/1054</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the system uses a heat pump</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">F24D19/1054</class-ref> is impacted by reclassification into groups <class-ref scheme="cpc">F24H15/00</class-ref> - <class-ref scheme="cpc">F24H15/493</class-ref>.<br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F24D19/1057" definition-exists="false" ipc-concordant="F24D19/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>F24D19/1057</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the system uses solar energy</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">F24D19/1057</class-ref> is impacted by reclassification into groups <class-ref scheme="cpc">F24H15/00</class-ref> - <class-ref scheme="cpc">F24H15/493</class-ref>.<br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F24D19/106" definition-exists="false" ipc-concordant="F24D19/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>F24D19/106</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the system uses a heat pump and solar energy</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">F24D19/106</class-ref> is impacted by reclassification into groups <class-ref scheme="cpc">F24H15/00</class-ref> - <class-ref scheme="cpc">F24H15/493</class-ref>.<br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F24D19/1063" definition-exists="false" ipc-concordant="F24D19/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>F24D19/1063</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>counting of energy consumption</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">F24D19/1063</class-ref> is impacted by reclassification into groups <class-ref scheme="cpc">F24H15/00</class-ref> - <class-ref scheme="cpc">F24H15/493</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>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F24D19/1066" definition-exists="false" ipc-concordant="F24D19/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>F24D19/1066</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for the combination of central heating and domestic hot water</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">F24D19/1066</class-ref> is impacted by reclassification into groups <class-ref scheme="cpc">F24H15/00</class-ref> - <class-ref scheme="cpc">F24H15/493</class-ref>.<br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F24D19/1069" definition-exists="false" ipc-concordant="F24D19/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>F24D19/1069</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>regulation in function of the temperature of the domestic hot water</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">F24D19/1069</class-ref> is impacted by reclassification into groups <class-ref scheme="cpc">F24H15/00</class-ref> - <class-ref scheme="cpc">F24H15/493</class-ref>.<br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F24D19/1072" definition-exists="false" ipc-concordant="F24D19/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>F24D19/1072</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the system uses a heat pump</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">F24D19/1072</class-ref> is impacted by reclassification into groups <class-ref scheme="cpc">F24H15/00</class-ref> - <class-ref scheme="cpc">F24H15/493</class-ref>.<br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F24D19/1075" definition-exists="false" ipc-concordant="F24D19/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>F24D19/1075</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the system uses solar energy</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">F24D19/1075</class-ref> is impacted by reclassification into groups <class-ref scheme="cpc">F24H15/00</class-ref> - <class-ref scheme="cpc">F24H15/493</class-ref>.<br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F24D19/1078" definition-exists="false" ipc-concordant="F24D19/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>F24D19/1078</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the system uses a heat pump and solar energy</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">F24D19/1078</class-ref> is impacted by reclassification into groups <class-ref scheme="cpc">F24H15/00</class-ref> - <class-ref scheme="cpc">F24H15/493</class-ref>.<br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F24D19/1081" definition-exists="false" ipc-concordant="F24D19/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>F24D19/1081</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>counting of energy consumption</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">F24D19/1081</class-ref> is impacted by reclassification into groups <class-ref scheme="cpc">F24H15/00</class-ref> - <class-ref scheme="cpc">F24H15/493</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></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F24D19/1084" definition-exists="false" ipc-concordant="F24D19/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>F24D19/1084</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for air heating systems</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">F24D19/1084</class-ref> is impacted by reclassification into groups <class-ref scheme="cpc">F24H15/00</class-ref> - <class-ref scheme="cpc">F24H15/493</class-ref>.<br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F24D19/1087" definition-exists="false" ipc-concordant="F24D19/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>F24D19/1087</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>system using a heat pump</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">F24D19/1087</class-ref> is impacted by reclassification into groups <class-ref scheme="cpc">F24H15/00</class-ref> - <class-ref scheme="cpc">F24H15/493</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="F24D19/109" definition-exists="false" ipc-concordant="F24D19/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>F24D19/109</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>system using solar energy</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">F24D19/109</class-ref> is impacted by reclassification into groups <class-ref scheme="cpc">F24H15/00</class-ref> - <class-ref scheme="cpc">F24H15/493</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="F24D19/1093" definition-exists="false" ipc-concordant="F24D19/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>F24D19/1093</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>system using a heat pump and solar energy</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">F24D19/1093</class-ref> is impacted by reclassification into groups <class-ref scheme="cpc">F24H15/00</class-ref> - <class-ref scheme="cpc">F24H15/493</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>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F24D19/1096" definition-exists="false" ipc-concordant="F24D19/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>F24D19/1096</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for electric heating systems</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">F24D19/1096</class-ref> is impacted by reclassification into groups <class-ref scheme="cpc">F24H15/00</class-ref> - <class-ref scheme="cpc">F24H15/493</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></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="true" level="6" additional-only="true" sort-key="F24D101/00" date-revised="2022-01-01" status="published"><classification-symbol>F24D2101/00</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>Indexing scheme associated with group <class-ref scheme="cpc">F24D18/00</class-ref>, relating to electric generators, thermal aspects and constructional aspects of small-scale combined heat and power [CHP] systems</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="F24D101/00" definition-exists="false" ipc-concordant="F24D101/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>F24D2101/00</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>Electric generators of small-scale CHP systems</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Groups <class-ref scheme="cpc">F24D2101/00</class-ref> - <class-ref scheme="cpc">F24D2101/80</class-ref> are incomplete pending reclassification of documents from groups <class-ref scheme="cpc">F24H2240/00</class-ref>, <class-ref scheme="cpc">F24H2240/01</class-ref>, <class-ref scheme="cpc">F24H2240/02</class-ref>, <class-ref scheme="cpc">F24H2240/04</class-ref>, <class-ref scheme="cpc">F24H2240/06</class-ref>, <class-ref scheme="cpc">F24H2240/08</class-ref>, <class-ref scheme="cpc">F24H2240/09</class-ref>, <class-ref scheme="cpc">F24H2240/10</class-ref>, <class-ref scheme="cpc">F24H2240/12</class-ref>, <class-ref scheme="cpc">F24H2240/122</class-ref>, <class-ref scheme="cpc">F24H2240/125</class-ref> and <class-ref scheme="cpc">F24H2240/127</class-ref>.<br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F24D101/10" definition-exists="false" ipc-concordant="F24D101/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>F24D2101/10</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>Gas turbines</text></title-part><title-part><text>Steam engines or steam turbines</text></title-part><title-part><text>Water turbines, e.g. located in water pipes</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F24D101/20" definition-exists="false" ipc-concordant="F24D101/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>F24D2101/20</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>Wind turbines</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F24D101/30" definition-exists="false" ipc-concordant="F24D101/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>F24D2101/30</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>Fuel cells</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F24D101/40" definition-exists="false" ipc-concordant="F24D101/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>F24D2101/40</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>Photovoltaic [PV] modules</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F24D101/50" definition-exists="false" ipc-concordant="F24D101/50" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>F24D2101/50</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>Thermophotovoltaic [TPV] modules</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F24D101/60" definition-exists="false" ipc-concordant="F24D101/60" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>F24D2101/60</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>Thermoelectric generators, e.g. Peltier or Seebeck elements</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F24D101/70" definition-exists="false" ipc-concordant="F24D101/70" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>F24D2101/70</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>Electric generators driven by internal combustion engines [ICE]</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F24D101/80" definition-exists="false" ipc-concordant="F24D101/80" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>F24D2101/80</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>Electric generators driven by external combustion engines, e.g. Stirling engines</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="F24D103/00" definition-exists="false" ipc-concordant="F24D103/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>F24D2103/00</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>Thermal aspects of small-scale CHP systems</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Groups <class-ref scheme="cpc">F24D2103/00</class-ref> - <class-ref scheme="cpc">F24D2103/20</class-ref> are incomplete pending reclassification of documents from groups <class-ref scheme="cpc">F24H2240/00</class-ref>, <class-ref scheme="cpc">F24H2240/01</class-ref>, <class-ref scheme="cpc">F24H2240/02</class-ref>, <class-ref scheme="cpc">F24H2240/04</class-ref>, <class-ref scheme="cpc">F24H2240/06</class-ref>, <class-ref scheme="cpc">F24H2240/08</class-ref>, <class-ref scheme="cpc">F24H2240/09</class-ref>, <class-ref scheme="cpc">F24H2240/10</class-ref>, <class-ref scheme="cpc">F24H2240/12</class-ref>, <class-ref scheme="cpc">F24H2240/122</class-ref>, <class-ref scheme="cpc">F24H2240/125</class-ref> and <class-ref scheme="cpc">F24H2240/127</class-ref>.<br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F24D103/10" definition-exists="false" ipc-concordant="F24D103/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>F24D2103/10</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>Small-scale CHP systems characterised by their heat recovery units</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F24D103/13" definition-exists="false" ipc-concordant="F24D103/13" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>F24D2103/13</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>characterised by their heat exchangers</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F24D103/17" definition-exists="false" ipc-concordant="F24D103/17" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>F24D2103/17</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>Storage tanks</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F24D103/20" definition-exists="false" ipc-concordant="F24D103/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>F24D2103/20</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>Additional heat sources for supporting thermal peak loads</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="F24D105/00" definition-exists="false" ipc-concordant="F24D105/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>F24D2105/00</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>Constructional aspects of small-scale CHP systems</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Groups <class-ref scheme="cpc">F24D2105/00</class-ref> and <class-ref scheme="cpc">F24D2105/10</class-ref> are incomplete pending reclassification of documents from groups <class-ref scheme="cpc">F24H2240/00</class-ref>, <class-ref scheme="cpc">F24H2240/01</class-ref>, <class-ref scheme="cpc">F24H2240/02</class-ref>, <class-ref scheme="cpc">F24H2240/04</class-ref>, <class-ref scheme="cpc">F24H2240/06</class-ref>, <class-ref scheme="cpc">F24H2240/08</class-ref>, <class-ref scheme="cpc">F24H2240/09</class-ref>, <class-ref scheme="cpc">F24H2240/10</class-ref>, <class-ref scheme="cpc">F24H2240/12</class-ref>, <class-ref scheme="cpc">F24H2240/122</class-ref>, <class-ref scheme="cpc">F24H2240/125</class-ref> and <class-ref scheme="cpc">F24H2240/127</class-ref>.<br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F24D105/10" definition-exists="false" ipc-concordant="F24D105/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>F24D2105/10</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>Sound insulation</text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="true" level="6" additional-only="true" sort-key="F24D200/00" date-revised="2013-01-01" status="published"><classification-symbol>F24D2200/00</classification-symbol>
<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="F24D200/00" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D2200/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Heat sources or energy sources</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F24D200/02" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D2200/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Photovoltaic energy</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F24D200/04" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D2200/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Gas or oil fired boiler</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F24D200/043" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D2200/043</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>More than one gas or oil fired boiler</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F24D200/046" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D2200/046</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Condensing boilers</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F24D200/06" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D2200/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Solid fuel fired boiler</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F24D200/062" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D2200/062</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Coal fired boilers</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F24D200/065" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D2200/065</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Wood fired boilers</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F24D200/067" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D2200/067</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Pellet fired boilers</text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F24D200/07" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D2200/07</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Solid fuel burners</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F24D200/08" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D2200/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Electric heater</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F24D200/10" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D2200/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Fire place</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F24D200/11" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D2200/11</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Geothermal energy</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F24D200/115" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D2200/115</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Involving mains water supply</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F24D200/12" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D2200/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Heat pump</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F24D200/123" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D2200/123</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Compression type heat pumps</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F24D200/126" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D2200/126</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Absorption type heat pumps</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F24D200/13" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D2200/13</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Heat from a district heating network</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F24D200/14" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D2200/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Solar energy</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F24D200/15" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D2200/15</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Wind energy</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F24D200/16" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D2200/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Waste heat</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F24D200/18" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D2200/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Flue gas recuperation</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F24D200/19" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D2200/19</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Fuel cells</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F24D200/20" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D2200/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Sewage water</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F24D200/22" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D2200/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Ventilation air</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F24D200/24" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D2200/24</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Refrigeration</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F24D200/26" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D2200/26</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Internal combustion engine</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F24D200/28" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D2200/28</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Biological processes</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F24D200/29" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D2200/29</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Electrical devices, e.g. computers, servers</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F24D200/30" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D2200/30</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Friction</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F24D200/31" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D2200/31</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Air conditioning systems</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F24D200/32" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D2200/32</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>involving multiple heat sources in combination or as alternative heat sources</text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="true" level="6" additional-only="true" sort-key="F24D220/00" date-revised="2013-01-01" status="published"><classification-symbol>F24D2220/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Central Heating Systems</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="F24D220/00" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D2220/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Components of central heating installations excluding heat sources</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F24D220/003" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D2220/003</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Generic central heating systems</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F24D220/006" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D2220/006</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Parts of a building integrally forming part of heating systems, e.g. a wall as a heat storing mass</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F24D220/02" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D2220/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Fluid distribution means</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F24D220/0207" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D2220/0207</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Pumps</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F24D220/0214" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D2220/0214</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Inlets or outlets</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F24D220/0221" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D2220/0221</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Mixing cylinders</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F24D220/0228" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D2220/0228</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Branched distribution conduits</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F24D220/0235" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D2220/0235</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Three-way-valves</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F24D220/0242" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D2220/0242</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Multiple way valves</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F24D220/025" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D2220/025</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Check valves</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F24D220/0257" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D2220/0257</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Thermostatic valves</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F24D220/0264" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D2220/0264</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Hydraulic balancing valves</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F24D220/0271" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D2220/0271</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Valves</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F24D220/0278" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D2220/0278</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Expansion vessels</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F24D220/0285" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D2220/0285</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Pipe sections</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F24D220/0292" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D2220/0292</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Fluid distribution networks</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F24D220/04" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D2220/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Sensors</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F24D220/042" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D2220/042</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Temperature sensors</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F24D220/044" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D2220/044</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Flow sensors</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F24D220/046" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D2220/046</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Pressure sensors</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F24D220/048" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D2220/048</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Level sensors, e.g. water level sensors</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F24D220/06" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D2220/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Heat exchangers</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F24D220/07" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D2220/07</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Heat pipes</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F24D220/08" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D2220/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Storage tanks</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F24D220/10" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D2220/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Heat storage materials, e.g. phase change materials or static water enclosed in a space</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F24D220/20" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D2220/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Heat consumers</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F24D220/2009" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D2220/2009</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Radiators</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F24D220/2018" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D2220/2018</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Column radiators having vertically extending tubes</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F24D220/2027" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D2220/2027</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Convectors (radiators wherein heat transfer mainly takes place by convection)</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F24D220/2036" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D2220/2036</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Electric radiators</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F24D220/2045" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D2220/2045</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Radiators having horizontally extending tubes</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F24D220/2054" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D2220/2054</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Panel radiators with or without extended convection surfaces</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F24D220/2063" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D2220/2063</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Central heating radiators having heat storage material incorporated</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F24D220/2072" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D2220/2072</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Radiators being skirting boards between floor and wall or ledges between wall and ceiling</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F24D220/2081" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D2220/2081</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Floor or wall heating panels</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F24D220/209" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D2220/209</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Sanitary water taps</text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="F24D240/00" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-08-01" status="published"><classification-symbol>F24D2240/00</classification-symbol><class-title date-revised="2016-08-01"><title-part><text>Characterizing positions, e.g. of sensors, inlets, outlets</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F24D240/10" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D2240/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Placed within or inside of</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F24D240/12" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D2240/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Placed outside of</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F24D240/20" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D2240/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Placed at top position</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F24D240/22" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D2240/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Placed at bottom position</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F24D240/24" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D2240/24</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Placed at centre position</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F24D240/243" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D2240/243</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Vertically centred</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F24D240/246" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D2240/246</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Horizontally centred</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F24D240/26" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D2240/26</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Vertically distributed at fixed positions, e.g. multiple sensors distributed over the height of a tank, or a vertical inlet distribution pipe having a plurality of orifices</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F24D240/28" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D2240/28</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Horizontally distributed at fixed positions</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F24D240/30" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D2240/30</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>At vertical variable positions, e.g. a movable inlet pipe within a tank</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F24D240/32" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F24D2240/32</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>At horizontal variable positions</text></title-part></class-title></classification-item></classification-item></classification-item></classification-item></class-scheme>