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ZSI_Reconnect_China/PATSTAT/CPC_data/CPCSchemeXML202302/cpc-scheme-F23D.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="F23D" definition-exists="true" date-revised="2021-05-01" status="published"><classification-symbol>F23D</classification-symbol><class-title date-revised="2021-05-01"><title-part><text>BURNERS</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph>In this subclass non-limiting references (in the sense of paragraph 39 of the Guide to the IPC) may still be displayed in the scheme.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="true" level="6" additional-only="false" sort-key="F23D1/00" date-revised="2013-01-01" status="published"><classification-symbol>F23D1/00</classification-symbol>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F23D1/00" definition-exists="true" ipc-concordant="F23D1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23D1/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Burners for combustion of pulverulent fuel </text><reference><text>disposition of burners <class-ref scheme="cpc">F23C</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F23D1/005" definition-exists="true" ipc-concordant="F23D1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>F23D1/005</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>burning a mixture of pulverulent fuel delivered as a slurry, i.e. comprising a carrying liquid</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="F23D1/02" definition-exists="false" ipc-concordant="F23D1/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23D1/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Vortex burners, e.g. for cyclone-type combustion apparatus</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F23D1/04" definition-exists="false" ipc-concordant="F23D1/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23D1/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Burners producing cylindrical flames without centrifugal action</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F23D1/06" definition-exists="false" ipc-concordant="F23D1/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23D1/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Burners producing sheet flames</text></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="F23D3/00" date-revised="2013-01-01" status="published"><classification-symbol>F23D3/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Combustion of a liquid</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F23D3/00" definition-exists="true" ipc-concordant="F23D3/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>F23D3/00</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>Burners using capillary action</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F23D3/02" definition-exists="false" ipc-concordant="F23D3/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23D3/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Wick burners</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F23D3/04" definition-exists="false" ipc-concordant="F23D3/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23D3/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with flame spreaders </text><reference><text><class-ref scheme="cpc">F23D3/12</class-ref> takes precedence</text></reference></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F23D3/06" definition-exists="false" ipc-concordant="F23D3/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23D3/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Inverted wick burners, e.g. for illumination</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F23D3/08" definition-exists="false" ipc-concordant="F23D3/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23D3/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterised by shape, construction, or material, of wick</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F23D3/10" definition-exists="false" ipc-concordant="F23D3/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23D3/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Blue-flame burners</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F23D3/12" definition-exists="false" ipc-concordant="F23D3/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23D3/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with flame spreaders</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F23D3/14" definition-exists="false" ipc-concordant="F23D3/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23D3/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with mixing of air and fuel vapour in a chamber before the flame</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F23D3/16" definition-exists="true" ipc-concordant="F23D3/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>F23D3/16</classification-symbol><class-title date-revised="2021-05-01"><title-part><text>using candles</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F23D3/18" definition-exists="false" ipc-concordant="F23D3/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23D3/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Details of wick burners</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F23D3/20" definition-exists="false" ipc-concordant="F23D3/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23D3/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Flame spreaders</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F23D3/22" definition-exists="false" ipc-concordant="F23D3/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23D3/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Devices for mixing evaporated fuel with air</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F23D3/24" definition-exists="false" ipc-concordant="F23D3/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23D3/24</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Carriers for wicks</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F23D3/26" definition-exists="false" ipc-concordant="F23D3/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23D3/26</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Safety devices thereon</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F23D3/28" definition-exists="false" ipc-concordant="F23D3/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23D3/28</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Wick-adjusting devices</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F23D3/30" definition-exists="false" ipc-concordant="F23D3/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23D3/30</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>directly engaging with the wick</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F23D3/32" definition-exists="false" ipc-concordant="F23D3/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23D3/32</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>engaging with a tube carrying the wick</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F23D3/34" definition-exists="false" ipc-concordant="F23D3/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23D3/34</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Wick stop devices</text></title-part><title-part><text>Wick-fixing devices</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F23D3/36" definition-exists="false" ipc-concordant="F23D3/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23D3/36</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Devices for trimming wicks</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F23D3/38" definition-exists="false" ipc-concordant="F23D3/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23D3/38</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Devices for replacement of wicks</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="F23D3/40" definition-exists="false" ipc-concordant="F23D3/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23D3/40</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the capillary action taking place in one or more rigid porous bodies</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F23D5/00" definition-exists="true" ipc-concordant="F23D5/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23D5/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Burners in which liquid fuel evaporates in the combustion space, with or without chemical conversion of evaporated fuel</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F23D5/02" definition-exists="false" ipc-concordant="F23D5/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23D5/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the liquid forming a pool, e.g. bowl-type evaporators, dish-type evaporators</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F23D5/04" definition-exists="false" ipc-concordant="F23D5/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23D5/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Pot-type evaporators, i.e. using a partially-enclosed combustion space</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F23D5/045" definition-exists="false" ipc-concordant="F23D5/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23D5/045</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with forced draft</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="F23D5/06" definition-exists="false" ipc-concordant="F23D5/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23D5/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the liquid forming a film on one or more plane or convex surfaces</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F23D5/08" definition-exists="false" ipc-concordant="F23D5/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23D5/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>on cascaded surfaces</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F23D5/10" definition-exists="false" ipc-concordant="F23D5/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23D5/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>on grids</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F23D5/12" definition-exists="false" ipc-concordant="F23D5/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23D5/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Details</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F23D5/123" definition-exists="false" ipc-concordant="F23D5/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23D5/123</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Inserts promoting evaporation</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="F23D5/126" definition-exists="false" ipc-concordant="F23D5/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23D5/126</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Catalytic elements</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="F23D5/14" definition-exists="false" ipc-concordant="F23D5/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23D5/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Maintaining predetermined amount of fuel in evaporator</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F23D5/16" definition-exists="false" ipc-concordant="F23D5/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23D5/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Safety devices</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F23D5/18" definition-exists="false" ipc-concordant="F23D5/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23D5/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Preheating devices</text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F23D7/00" definition-exists="false" ipc-concordant="F23D7/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23D7/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Burners in which drops of liquid fuel impinge on a surface</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F23D9/00" definition-exists="false" ipc-concordant="F23D9/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23D9/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Burners in which a stream of liquid fuel impinges intermittently on a hot surface</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F23D11/00" definition-exists="true" ipc-concordant="F23D11/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>F23D11/00</classification-symbol><class-title date-revised="2021-05-01"><title-part><text>Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F23D11/001" definition-exists="false" ipc-concordant="F23D11/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23D11/001</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>spraying nozzle combined with forced draft fan in one unit </text><reference><text>nozzles <u>per se</u> <class-ref scheme="cpc">F23D11/38</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="F23D11/002" definition-exists="false" ipc-concordant="F23D11/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23D11/002</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>spraying nozzle arranged within furnace openings </text><reference><text>refractory bricks or blocks specially shaped for burner openings <class-ref scheme="cpc">F23M5/025</class-ref></text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F23D11/004" definition-exists="false" ipc-concordant="F23D11/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23D11/004</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for producing radiant 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="F23D11/005" definition-exists="false" ipc-concordant="F23D11/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23D11/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with combinations of different spraying or vaporising means</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F23D11/007" definition-exists="false" ipc-concordant="F23D11/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23D11/007</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>combination of means covered by sub-groups <class-ref scheme="cpc">F23D11/10</class-ref> and <class-ref scheme="cpc">F23D11/24</class-ref></text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F23D11/008" definition-exists="false" ipc-concordant="F23D11/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23D11/008</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>combination of means covered by sub-groups <class-ref scheme="cpc">F23D5/00</class-ref> and <class-ref scheme="cpc">F23D11/00</class-ref></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="F23D11/02" definition-exists="false" ipc-concordant="F23D11/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23D11/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the combustion space being a chamber substantially at atmospheric pressure</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F23D11/04" definition-exists="false" ipc-concordant="F23D11/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23D11/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the spraying action being obtained by centrifugal action</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F23D11/06" definition-exists="false" ipc-concordant="F23D11/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23D11/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using a horizontal shaft</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F23D11/08" definition-exists="false" ipc-concordant="F23D11/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23D11/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using a vertical shaft</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F23D11/10" definition-exists="false" ipc-concordant="F23D11/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23D11/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the spraying being induced by a gaseous medium, e.g. water vapour</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F23D11/101" definition-exists="false" ipc-concordant="F23D11/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23D11/101</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>medium and fuel meeting before the burner outlet</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F23D11/102" definition-exists="false" ipc-concordant="F23D11/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23D11/102</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>in an internal mixing chamber</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F23D11/103" definition-exists="false" ipc-concordant="F23D11/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23D11/103</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with means creating a swirl inside the mixing chamber</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="F23D11/104" definition-exists="false" ipc-concordant="F23D11/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23D11/104</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>intersecting at a sharp angle, e.g. Y-jet atomiser</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="F23D11/105" definition-exists="false" ipc-concordant="F23D11/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23D11/105</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>at least one of the fluids being submitted to a swirling motion</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="F23D11/106" definition-exists="false" ipc-concordant="F23D11/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23D11/106</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>medium and fuel meeting at the burner outlet</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F23D11/107" definition-exists="false" ipc-concordant="F23D11/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23D11/107</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>at least one of both being subjected to a swirling motion</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="F23D11/108" definition-exists="false" ipc-concordant="F23D11/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23D11/108</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>medium and fuel intersecting downstream of the burner outlet</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="F23D11/12" definition-exists="false" ipc-concordant="F23D11/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23D11/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterised by the shape or arrangement of the outlets from the nozzle</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F23D11/14" definition-exists="false" ipc-concordant="F23D11/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23D11/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with a single outlet, e.g. slit</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F23D11/16" definition-exists="false" ipc-concordant="F23D11/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23D11/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>in which an emulsion of water and fuel is sprayed</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F23D11/18" definition-exists="false" ipc-concordant="F23D11/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23D11/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the gaseous medium being water vapour generated at the nozzle</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F23D11/20" definition-exists="false" ipc-concordant="F23D11/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23D11/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the water vapour being superheated</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F23D11/22" definition-exists="false" ipc-concordant="F23D11/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>F23D11/22</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>the gaseous medium being vaporised fuel, e.g. for a soldering lamp </text><CPC-specific-text><text>, or other gaseous fuel</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="F23D11/24" definition-exists="false" ipc-concordant="F23D11/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23D11/24</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by pressurisation of the fuel before a nozzle through which it is sprayed by a substantial pressure reduction into a space</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F23D11/26" definition-exists="false" ipc-concordant="F23D11/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23D11/26</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with provision for varying the rate at which the fuel is sprayed</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F23D11/28" definition-exists="false" ipc-concordant="F23D11/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23D11/28</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with flow-back of fuel at the burner, e.g. using by-pass</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F23D11/30" definition-exists="false" ipc-concordant="F23D11/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23D11/30</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with return feed of uncombusted sprayed fuel to reservoir</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="F23D11/32" definition-exists="false" ipc-concordant="F23D11/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23D11/32</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by electrostatic means</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F23D11/34" definition-exists="false" ipc-concordant="F23D11/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23D11/34</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by ultrasonic means </text><CPC-specific-text><text>or other kinds of vibrations</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F23D11/345" definition-exists="false" ipc-concordant="F23D11/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23D11/345</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with vibrating atomiser surfaces</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="F23D11/36" definition-exists="false" ipc-concordant="F23D11/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-08-01" status="published"><classification-symbol>F23D11/36</classification-symbol><class-title date-revised="2016-08-01"><title-part><text>Details </text><CPC-specific-text><text>, e.g. burner cooling means, noise reduction means</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F23D11/38" definition-exists="true" ipc-concordant="F23D11/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>F23D11/38</classification-symbol><class-title date-revised="2021-05-01"><title-part><text>Nozzles</text></title-part><title-part><text>Cleaning devices therefor</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F23D11/383" definition-exists="false" ipc-concordant="F23D11/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23D11/383</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with swirl means</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="F23D11/386" definition-exists="false" ipc-concordant="F23D11/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23D11/386</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Nozzle cleaning</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="F23D11/40" definition-exists="false" ipc-concordant="F23D11/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-05-01" status="published"><classification-symbol>F23D11/40</classification-symbol><class-title date-revised="2016-05-01"><title-part><text>Mixing tubes </text><CPC-specific-text><text>or chambers</text></CPC-specific-text></title-part><title-part><text>Burner heads</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F23D11/402" definition-exists="false" ipc-concordant="F23D11/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23D11/402</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Mixing chambers downstream of the nozzle</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="F23D11/404" definition-exists="false" ipc-concordant="F23D11/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23D11/404</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Flame tubes </text><reference><text>not forming part of the burner <class-ref scheme="cpc">F23M9/06</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F23D11/406" definition-exists="false" ipc-concordant="F23D11/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23D11/406</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Flame stabilising means, e.g. flame holders</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="F23D11/408" definition-exists="false" ipc-concordant="F23D11/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23D11/408</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Flow influencing devices in the air tube</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="F23D11/42" definition-exists="true" ipc-concordant="F23D11/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23D11/42</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Starting devices </text><reference><text>igniting <class-ref scheme="cpc">F23Q</class-ref></text></reference></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F23D11/44" definition-exists="true" ipc-concordant="F23D11/44" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>F23D11/44</classification-symbol><class-title date-revised="2021-05-01"><title-part><text>Preheating devices</text></title-part><title-part><text>Vaporising devices</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F23D11/441" definition-exists="false" ipc-concordant="F23D11/44" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>F23D11/441</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>Vaporising devices incorporated with burners</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F23D11/443" definition-exists="false" ipc-concordant="F23D11/44" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>F23D11/443</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>heated by the main burner flame</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">F23D11/443</class-ref> is impacted by reclassification into group <class-ref scheme="cpc">F23D11/445</class-ref>.<br/>Groups <class-ref scheme="cpc">F23D11/443</class-ref> and <class-ref scheme="cpc">F23D11/445</class-ref> 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="F23D11/445" definition-exists="false" ipc-concordant="F23D11/44" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>F23D11/445</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the flame and the vaporiser not coming into direct contact</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">F23D11/445</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">F23D11/443</class-ref>.<br/>Groups <class-ref scheme="cpc">F23D11/443</class-ref> and <class-ref scheme="cpc">F23D11/445</class-ref> 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="F23D11/446" definition-exists="false" ipc-concordant="F23D11/44" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23D11/446</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>heated by an auxiliary flame</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="F23D11/448" definition-exists="false" ipc-concordant="F23D11/44" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23D11/448</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>heated by electrical means</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F23D11/46" definition-exists="false" ipc-concordant="F23D11/46" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23D11/46</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Devices on the vaporiser for controlling the feeding of the fuel</text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F23D14/00" definition-exists="false" ipc-concordant="F23D14/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23D14/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F23D14/02" definition-exists="false" ipc-concordant="F23D14/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23D14/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F23D14/04" definition-exists="true" ipc-concordant="F23D14/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>F23D14/04</classification-symbol><class-title date-revised="2021-05-01"><title-part><text>induction type, e.g. Bunsen burner</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F23D14/045" definition-exists="false" ipc-concordant="F23D14/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23D14/045</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with a plurality of burner bars assembled together, e.g. in a grid-like arrangement</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="F23D14/06" definition-exists="false" ipc-concordant="F23D14/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23D14/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with radial outlets at the burner head</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F23D14/065" definition-exists="false" ipc-concordant="F23D14/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23D14/065</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with injector axis inclined to the burner head axis</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="F23D14/08" definition-exists="false" ipc-concordant="F23D14/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23D14/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with axial outlets at the burner head</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F23D14/085" definition-exists="false" ipc-concordant="F23D14/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23D14/085</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with injector axis inclined to the burner head axis</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="F23D14/10" definition-exists="false" ipc-concordant="F23D14/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23D14/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with elongated tubular burner head</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F23D14/105" definition-exists="false" ipc-concordant="F23D14/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23D14/105</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with injector axis parallel to the burner head axis</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F23D14/12" definition-exists="false" ipc-concordant="F23D14/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>F23D14/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Radiant burners</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">F23D14/12</class-ref> is impacted by reclassification into groups <class-ref scheme="cpc">F23D14/126</class-ref>, <class-ref scheme="cpc">F23D14/147</class-ref>, <class-ref scheme="cpc">F23D14/148</class-ref>, <class-ref scheme="cpc">F23D14/149</class-ref> and <class-ref scheme="cpc">F23D14/151</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="F23D14/125" definition-exists="false" ipc-concordant="F23D14/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23D14/125</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>heating a wall surface to incandescence</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="F23D14/126" definition-exists="false" ipc-concordant="F23D14/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>F23D14/126</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>cooperating with refractory wall surfaces</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">F23D14/126</class-ref> is incomplete pending reclassification of documents from groups <class-ref scheme="cpc">F23D14/12</class-ref> and <class-ref scheme="cpc">F23D14/14</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="F23D14/14" definition-exists="false" ipc-concordant="F23D14/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>F23D14/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using screens or perforated plates</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">F23D14/14</class-ref> is impacted by reclassification into groups <class-ref scheme="cpc">F23D14/126</class-ref>, <class-ref scheme="cpc">F23D14/145</class-ref>, <class-ref scheme="cpc">F23D14/147</class-ref>, <class-ref scheme="cpc">F23D14/148</class-ref>, <class-ref scheme="cpc">F23D14/149</class-ref> and <class-ref scheme="cpc">F23D14/151</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="F23D14/145" definition-exists="false" ipc-concordant="F23D14/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>F23D14/145</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>combustion being stabilised at a screen or a perforated plate</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">F23D14/145</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">F23D14/14</class-ref>.<br/>Groups <class-ref scheme="cpc">F23D14/14</class-ref> and <class-ref scheme="cpc">F23D14/145</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F23D14/147" definition-exists="false" ipc-concordant="F23D14/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>F23D14/147</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>with perforated plates as radiation intensifying means</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">F23D14/147</class-ref> is incomplete pending reclassification of documents from groups <class-ref scheme="cpc">F23D14/12</class-ref> and <class-ref scheme="cpc">F23D14/14</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="F23D14/148" definition-exists="false" ipc-concordant="F23D14/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>F23D14/148</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>with grids, e.g. strips or rods, as radiation intensifying means</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">F23D14/148</class-ref> is incomplete pending reclassification of documents from groups <class-ref scheme="cpc">F23D14/12</class-ref> and <class-ref scheme="cpc">F23D14/14</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="F23D14/149" definition-exists="false" ipc-concordant="F23D14/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>F23D14/149</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>with wires, threads or gauzes as radiation intensifying means</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">F23D14/149</class-ref> is incomplete pending reclassification of documents from groups <class-ref scheme="cpc">F23D14/12</class-ref> and <class-ref scheme="cpc">F23D14/14</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="F23D14/151" definition-exists="false" ipc-concordant="F23D14/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>F23D14/151</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>with radiation intensifying means other than screens or perforated plates</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">F23D14/151</class-ref> is incomplete pending reclassification of documents from groups <class-ref scheme="cpc">F23D14/12</class-ref> and <class-ref scheme="cpc">F23D14/14</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="F23D14/16" definition-exists="false" ipc-concordant="F23D14/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23D14/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using permeable blocks</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F23D14/18" definition-exists="false" ipc-concordant="F23D14/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>F23D14/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using catalysis for flameless combustion</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">F23D14/18</class-ref> is impacted by reclassification into group <class-ref scheme="cpc">F23D14/181</class-ref>.<br/>Groups <class-ref scheme="cpc">F23D14/18</class-ref> and <class-ref scheme="cpc">F23D14/181</class-ref> 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="F23D14/181" definition-exists="false" ipc-concordant="F23D14/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>F23D14/181</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>with carbon containing radiating surface</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">F23D14/181</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">F23D14/18</class-ref>.<br/>Groups <class-ref scheme="cpc">F23D14/18</class-ref> and <class-ref scheme="cpc">F23D14/181</class-ref> 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="8" additional-only="false" sort-key="F23D14/20" definition-exists="true" ipc-concordant="F23D14/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>F23D14/20</classification-symbol><class-title date-revised="2021-05-01"><title-part><text>Non-premix gas burners, i.e. in which gaseous fuel is mixed with combustion air on arrival at the combustion zone </text><reference><text><class-ref scheme="cpc">F23D14/38</class-ref> takes precedence</text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F23D14/22" definition-exists="false" ipc-concordant="F23D14/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23D14/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with separate air and gas feed ducts, e.g. with ducts running parallel or crossing each other</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F23D14/24" definition-exists="false" ipc-concordant="F23D14/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23D14/24</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>at least one of the fluids being submitted to a swirling motion</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="F23D14/26" definition-exists="true" ipc-concordant="F23D14/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23D14/26</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with provision for a retention flame </text><reference><text>pilot flame igniters <class-ref scheme="cpc">F23Q9/00</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="F23D14/28" definition-exists="false" ipc-concordant="F23D14/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23D14/28</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>in association with a gaseous fuel source, e.g. acetylene generator, or a container for liquefied gas</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F23D14/30" definition-exists="false" ipc-concordant="F23D14/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23D14/30</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Inverted burners, e.g. for illumination</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F23D14/32" definition-exists="true" ipc-concordant="F23D14/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23D14/32</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using a mixture of gaseous fuel and pure oxygen or oxygen-enriched air </text><reference><text><class-ref scheme="cpc">F23D14/38</class-ref> takes precedence</text></reference></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F23D14/34" definition-exists="true" ipc-concordant="F23D14/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>F23D14/34</classification-symbol><class-title date-revised="2021-05-01"><title-part><text>Burners specially adapted for use with means for pressurising the gaseous fuel or the combustion air</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F23D14/36" definition-exists="false" ipc-concordant="F23D14/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23D14/36</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>in which the compressor and burner form a single unit</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F23D14/38" definition-exists="false" ipc-concordant="F23D14/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>F23D14/38</classification-symbol><class-title date-revised="2021-05-01"><title-part><text>Torches, e.g. for brazing or heating </text><reference><text>nozzles <class-ref scheme="cpc">F23D14/48</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F23D14/40" definition-exists="true" ipc-concordant="F23D14/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23D14/40</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for welding </text><reference><text><class-ref scheme="cpc">F23D14/44</class-ref> takes precedence</text></reference></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F23D14/42" definition-exists="true" ipc-concordant="F23D14/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23D14/42</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for cutting </text><reference><text><class-ref scheme="cpc">F23D14/44</class-ref> takes precedence</text></reference></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F23D14/44" definition-exists="false" ipc-concordant="F23D14/44" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23D14/44</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for use under water</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F23D14/46" definition-exists="false" ipc-concordant="F23D14/46" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-08-01" status="published"><classification-symbol>F23D14/46</classification-symbol><class-title date-revised="2016-08-01"><title-part><text>Details </text><CPC-specific-text><text>, e.g. noise reduction means</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F23D14/465" definition-exists="true" ipc-concordant="F23D14/46" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23D14/465</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for torches </text><reference><text><class-ref scheme="cpc">F23D14/52</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F23D14/48" definition-exists="true" ipc-concordant="F23D14/48" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>F23D14/48</classification-symbol><class-title date-revised="2021-05-01"><title-part><text>Nozzles</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F23D14/50" definition-exists="false" ipc-concordant="F23D14/50" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23D14/50</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Cleaning devices therefor</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F23D14/52" definition-exists="false" ipc-concordant="F23D14/52" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23D14/52</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for torches</text></title-part><title-part><text>for blow-pipes</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F23D14/54" definition-exists="false" ipc-concordant="F23D14/54" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23D14/54</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for cutting or welding metal</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F23D14/56" definition-exists="true" ipc-concordant="F23D14/56" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>F23D14/56</classification-symbol><class-title date-revised="2021-05-01"><title-part><text>for spreading the flame over an area, e.g. for desurfacing of solid material, for surface hardening, or for heating workpieces</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F23D14/58" definition-exists="false" ipc-concordant="F23D14/58" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23D14/58</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterised by the shape or arrangement of the outlet or outlets from the nozzle, e.g. of annular configuration</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F23D14/583" definition-exists="false" ipc-concordant="F23D14/58" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23D14/583</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of elongated shape, e.g. slits</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="F23D14/586" definition-exists="false" ipc-concordant="F23D14/58" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23D14/586</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>formed by a set of sheets, strips, ribbons or the like</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F23D14/60" definition-exists="true" ipc-concordant="F23D14/60" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>F23D14/60</classification-symbol><class-title date-revised="2021-05-01"><title-part><text>Devices for simultaneous control of gas and combustion air</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F23D14/62" definition-exists="true" ipc-concordant="F23D14/62" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23D14/62</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Mixing devices</text></title-part><title-part><text>Mixing tubes</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F23D14/64" definition-exists="false" ipc-concordant="F23D14/64" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23D14/64</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with injectors</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F23D14/66" definition-exists="false" ipc-concordant="F23D14/66" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23D14/66</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Preheating the combustion air or gas</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F23D14/68" definition-exists="true" ipc-concordant="F23D14/68" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>F23D14/68</classification-symbol><class-title date-revised="2021-05-01"><title-part><text>Treating the combustion air or gas, e.g. by filtering, or moistening</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F23D14/70" definition-exists="true" ipc-concordant="F23D14/70" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23D14/70</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Baffles or like flow-disturbing devices</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F23D14/72" definition-exists="true" ipc-concordant="F23D14/72" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>F23D14/72</classification-symbol><class-title date-revised="2021-05-01"><title-part><text>Safety devices, e.g. operative in case of failure of gas supply</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F23D14/725" definition-exists="false" ipc-concordant="F23D14/72" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23D14/725</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Protection against flame failure by using flame detection devices </text><reference><text>pilot flame igniters with interlock with main fuel supply <class-ref scheme="cpc">F23Q9/08</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F23D14/74" definition-exists="true" ipc-concordant="F23D14/74" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>F23D14/74</classification-symbol><class-title date-revised="2021-05-01"><title-part><text>Preventing flame lift-off</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F23D14/76" definition-exists="false" ipc-concordant="F23D14/76" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23D14/76</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Protecting flame and burner parts</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F23D14/78" definition-exists="false" ipc-concordant="F23D14/78" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23D14/78</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Cooling burner parts</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F23D14/80" definition-exists="false" ipc-concordant="F23D14/80" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23D14/80</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Selection of a non-toxic gas</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F23D14/82" definition-exists="true" ipc-concordant="F23D14/82" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>F23D14/82</classification-symbol><class-title date-revised="2021-05-01"><title-part><text>Preventing flashback or blowback</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F23D14/825" definition-exists="false" ipc-concordant="F23D14/82" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23D14/825</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using valves</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="F23D14/84" definition-exists="true" ipc-concordant="F23D14/84" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23D14/84</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Flame spreading or otherwise shaping </text><reference><text><class-ref scheme="cpc">F23D14/70</class-ref> takes precedence</text></reference></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="true" level="6" additional-only="false" sort-key="F23D17/00" date-revised="2013-01-01" status="published"><classification-symbol>F23D17/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Other burners</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F23D17/00" definition-exists="false" ipc-concordant="F23D17/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23D17/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Burners for combustion conjointly or alternatively of gaseous or liquid or pulverulent fuel</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F23D17/002" definition-exists="false" ipc-concordant="F23D17/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23D17/002</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>gaseous or liquid fuel</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="F23D17/005" definition-exists="false" ipc-concordant="F23D17/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23D17/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>gaseous or pulverulent fuel</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="F23D17/007" definition-exists="false" ipc-concordant="F23D17/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23D17/007</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>liquid or pulverulent fuel</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="F23D23/00" definition-exists="true" ipc-concordant="F23D23/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>F23D23/00</classification-symbol><class-title date-revised="2021-05-01"><title-part><text>Assemblies of two or more burners </text><reference><text>gas burners with provision for a retention flame <class-ref scheme="cpc">F23D14/26</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="F23D91/00" definition-exists="true" ipc-concordant="F23D99/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>F23D91/00</classification-symbol><class-title><title-part><CPC-specific-text><text>Burners specially adapted for specific applications, not otherwise provided for</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F23D91/02" definition-exists="false" ipc-concordant="F23D99/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2015-07-01" status="published"><classification-symbol>F23D91/02</classification-symbol><class-title><title-part><CPC-specific-text><text>for use in particular heating operations</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F23D91/04" definition-exists="false" ipc-concordant="F23D99/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2015-07-01" status="published"><classification-symbol>F23D91/04</classification-symbol><class-title><title-part><CPC-specific-text><text>for heating liquids, e.g. for vaporising or concentrating</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F23D99/00" definition-exists="false" ipc-concordant="F23D99/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F23D99/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Subject matter not provided for in other groups of this subclass</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="true" level="6" additional-only="true" sort-key="F23D200/00" date-revised="2013-01-01" status="published"><classification-symbol>F23D2200/00</classification-symbol>
<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="F23D200/00" 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>F23D2200/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Burners for fluid fuel</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="F23D201/00" 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>F23D2201/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Burners adapted for particulate solid or pulverulent fuels</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F23D201/10" 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>F23D2201/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Nozzle tips</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F23D201/101" 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>F23D2201/101</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>tiltable</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F23D201/20" 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>F23D2201/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Fuel flow guiding devices</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F23D201/30" 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>F23D2201/30</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Wear protection</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="F23D202/00" 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>F23D2202/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Liquid fuel burners</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="F23D203/00" 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>F23D2203/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Gaseous fuel burners</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F23D203/002" 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>F23D2203/002</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Radiant burner mixing tubes</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F23D203/005" 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>F23D2203/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Radiant burner heads</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F23D203/007" 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>F23D2203/007</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Mixing tubes, air supply regulation</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F23D203/10" 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>F23D2203/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Flame diffusing means</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F23D203/101" 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>F23D2203/101</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterised by surface shape</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F23D203/1012" 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>F23D2203/1012</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>tubular</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F23D203/1015" 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>F23D2203/1015</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>spherical</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F23D203/102" 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>F23D2203/102</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using perforated plates</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F23D203/1023" 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>F23D2203/1023</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with specific free passage areas</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="F23D203/1055" 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>F23D2203/1055</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with a specific void range</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="F23D204/00" 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>F23D2204/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Burners adapted for simultaneous or alternative combustion having more than one fuel supply</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F23D204/10" 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>F23D2204/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>gaseous and liquid fuel</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F23D204/30" 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>F23D2204/30</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>liquid and pulverulent fuel</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="F23D205/00" 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>F23D2205/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Assemblies of two or more burners, irrespective of fuel type</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F23D206/0005" 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>F23D2206/0005</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Liquid fuel burners adapted for use in locomotives</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F23D206/001" 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>F23D2206/001</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Liquid fuel burners adapted for use in automobile steam boilers</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F23D206/0015" 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>F23D2206/0015</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Gas burners for use in retort furnaces</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F23D206/0021" 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>F23D2206/0021</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Gas burners for use in furnaces of the reverberatory, muffle or crucible type</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F23D206/0026" 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>F23D2206/0026</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Vapour burners adapted for use in illumination devices</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F23D206/0031" 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>F23D2206/0031</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Liquid fuel burners adapted for use in welding lamps</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F23D206/0036" 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>F23D2206/0036</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Liquid fuel burners adapted for use in welding and cutting metals</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F23D206/0042" 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>F23D2206/0042</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Vapour burners for illumination by radiation, with vaporiser heated by an auxiliary flame</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F23D206/0047" 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>F23D2206/0047</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Vapour burners for illumination by radiation, with vaporiser heated by the main flame</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F23D206/0052" 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>F23D2206/0052</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Vapour burners for illumination by radiation, with vaporiser heated by conduction</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F23D206/0057" 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>F23D2206/0057</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Liquid fuel burners adapted for use in illumination and heating</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F23D206/0063" 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>F23D2206/0063</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Catalytic burners adapted for use in illumination and heating</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F23D206/0068" 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>F23D2206/0068</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Gas burners for illumination with slot type nozzles</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F23D206/0073" 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>F23D2206/0073</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Gas burners for illumination with Argand nozzles</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F23D206/0078" 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>F23D2206/0078</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Gas burners adapted for use in lamps with preheated air</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F23D206/0084" 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>F23D2206/0084</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Gas burners adapted for use in ceiling and wagon lamps</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F23D206/0089" 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>F23D2206/0089</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Gas burners for illumination using acetylene as a fuel</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F23D206/0094" 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>F23D2206/0094</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Gas burners adapted for use in illumination and heating</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F23D206/10" 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>F23D2206/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Turbines</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="F23D207/00" 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>F23D2207/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Ignition devices associated with burner</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="F23D208/00" 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>F23D2208/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Control devices associated with burners</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F23D208/005" 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>F23D2208/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Controlling air supply in radiant gas burners</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F23D208/10" 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>F23D2208/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Sensing devices</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="F23D209/00" 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>F23D2209/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Safety arrangements</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F23D209/10" 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>F23D2209/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Flame flashback</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F23D209/20" 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>F23D2209/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Flame lift-off / stability</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F23D209/30" 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>F23D2209/30</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Purging</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="F23D210/00" 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>F23D2210/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Noise abatement</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F23D210/101" 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>F23D2210/101</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using noise dampening material</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="F23D211/00" 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>F23D2211/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Thermal dilatation prevention or compensation</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="F23D212/00" 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>F23D2212/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Burner material specifications</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F23D212/005" 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>F23D2212/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Radiant gas burners made of specific materials, e.g. rare earths</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F23D212/10" 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>F23D2212/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>ceramic</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F23D212/101" 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>F23D2212/101</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Foam, e.g. reticulated</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F23D212/103" 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>F23D2212/103</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Fibres</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F23D212/105" 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>F23D2212/105</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Particles</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F23D212/20" 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>F23D2212/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>metallic</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F23D212/201" 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>F23D2212/201</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Fibres</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F23D212/203" 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>F23D2212/203</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Particles</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="F23D213/00" 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>F23D2213/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Burner manufacture specifications</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="F23D214/00" 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>F23D2214/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Cooling</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="F23D900/00" 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>F23D2900/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Special features of, or arrangements for burners using fluid fuels or solid fuels suspended in a carrier gas</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F23D900/00001" 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>F23D2900/00001</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>local catalytic coatings applied to burner surfaces</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F23D900/00002" 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>F23D2900/00002</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Cleaning burner parts, e.g. burner tips</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F23D900/00003" 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>F23D2900/00003</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Fuel or fuel-air mixtures flow distribution devices upstream of the outlet</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F23D900/00004" 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>F23D2900/00004</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Burners specially adapted for generating high luminous flames, e.g. yellow for fuel-rich mixtures</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F23D900/00006" 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>F23D2900/00006</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Liquid fuel burners using pure oxygen or O<sub>2</sub>-enriched air as oxidant </text><reference><text>for gaseous fuels <class-ref scheme="cpc">F23D14/32</class-ref></text></reference></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F23D900/00008" 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>F23D2900/00008</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Burner assemblies with diffusion and premix modes, i.e. dual mode burners</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F23D900/00011" 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>F23D2900/00011</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Burner with means for propagating the flames along a wall surface</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F23D900/00012" 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>F23D2900/00012</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Liquid or gas fuel burners with flames spread over a flat surface, either premix or non-premix type, e.g. &quot;Fl&#228;chenbrenner&quot;</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F23D900/00013" 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>F23D2900/00013</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with means for spreading the flame in a fan or fishtail shape over a melting bath</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F23D900/00014" 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>F23D2900/00014</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Pilot burners specially adapted for ignition of main burners in furnaces or gas turbines</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F23D900/00015" 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>F23D2900/00015</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Pilot burners specially adapted for low load or transient conditions, e.g. for increasing stability</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F23D900/00016" 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>F23D2900/00016</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Preventing or reducing deposit build-up on burner parts, e.g. from carbon</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F23D900/00017" 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>F23D2900/00017</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Assembled burner modules</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F23D900/00018" 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>F23D2900/00018</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Means for protecting parts of the burner, e.g. ceramic lining outside of the flame tube</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F23D900/00019" 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>F23D2900/00019</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Outlet manufactured from knitted fibres</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F23D900/01001" 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>F23D2900/01001</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Pulverised solid fuel burner with means for swirling the fuel-air mixture</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F23D900/03081" 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>F23D2900/03081</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Catalytic wick burners</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F23D900/03082" 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>F23D2900/03082</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Wick made of specific material, e.g. ceramic</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F23D900/05001" 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>F23D2900/05001</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Burner using gel type fuel</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F23D900/05002" 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>F23D2900/05002</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Use of porous members to convert liquid fuel into vapor</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F23D900/11001" 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>F23D2900/11001</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Impinging-jet injectors or jet impinging on a surface</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F23D900/11002" 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>F23D2900/11002</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Liquid fuel burners with more than one nozzle</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F23D900/11101" 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>F23D2900/11101</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Pulverising gas flow impinging on fuel from pre-filming surface, e.g. lip atomizers</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F23D900/11401" 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>F23D2900/11401</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Flame intercepting baffles forming part of burner head</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F23D900/11402" 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>F23D2900/11402</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Airflow diaphragms at burner nozzle</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F23D900/11403" 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>F23D2900/11403</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Flame surrounding tubes in front of burner nozzle</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F23D900/14" 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>F23D2900/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Special features of gas burners</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F23D900/14001" 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>F23D2900/14001</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Sealing or support of burner plate borders</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F23D900/14002" 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>F23D2900/14002</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of premix or non premix types, specially adapted for the combustion of low heating value [LHV] gas</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F23D900/14003" 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>F23D2900/14003</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with more than one nozzle</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F23D900/14004" 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>F23D2900/14004</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with radially extending gas distribution spokes</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F23D900/14005" 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>F23D2900/14005</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Rotary gas burner</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F23D900/14021" 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>F23D2900/14021</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Premixing burners with swirling or vortices creating means for fuel or air</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F23D900/14041" 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>F23D2900/14041</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Segmented or straight line assembly of burner bars</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F23D900/14042" 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>F23D2900/14042</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Star shaped assembly of burner bars or arms</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F23D900/14061" 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>F23D2900/14061</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for cooking ranges having a coated burner cap</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F23D900/14062" 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>F23D2900/14062</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for cooking ranges having multiple flame rings</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F23D900/14063" 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>F23D2900/14063</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for cooking ranges having one flame ring fed by multiple venturis</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F23D900/14064" 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>F23D2900/14064</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Burner heads of non circular shape</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F23D900/1412" 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>F23D2900/1412</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for radiant burners</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F23D900/14241" 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>F23D2900/14241</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Post-mixing with swirling means</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F23D900/14381" 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>F23D2900/14381</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Single operating member opening and closing fuel and oxidant supply valves in torches</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F23D900/14481" 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>F23D2900/14481</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Burner nozzles incorporating flow adjusting means</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F23D900/14482" 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>F23D2900/14482</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Burner nozzles incorporating a fluidic oscillator</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F23D900/14581" 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>F23D2900/14581</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with outlets consisting of a bed of irregular particles, e.g. glass</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F23D900/14582" 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>F23D2900/14582</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with outlets consisting of layers of spherical particles</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F23D900/14641" 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>F23D2900/14641</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with gas distribution manifolds or bars provided with a plurality of nozzles</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F23D900/14642" 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>F23D2900/14642</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with jet mixers with more than one gas injection nozzles or orifices for a single mixing tube</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F23D900/14681" 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>F23D2900/14681</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Adding steam or water vapor to primary or secondary combustion air</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F23D900/14701" 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>F23D2900/14701</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Swirling means inside the mixing tube or chamber to improve premixing</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F23D900/21" 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>F23D2900/21</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Burners specially adapted for a particular use</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F23D900/21001" 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>F23D2900/21001</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for use in blast furnaces</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F23D900/21002" 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>F23D2900/21002</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for use in car heating systems</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F23D900/21003" 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>F23D2900/21003</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for heating or re-burning air or gas in a duct</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F23D900/21004" 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>F23D2900/21004</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for use in gas fed fireplaces</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F23D900/21005" 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>F23D2900/21005</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for flame deposition, e.g. FHD, flame hydrolysis deposition</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F23D900/21006" 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>F23D2900/21006</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for heating a catalyst in a car</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="F23D900/21007" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>F23D2900/21007</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>for producing soot, e.g. nanoparticle soot</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F23D900/31" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>F23D2900/31</classification-symbol><class-title date-revised="2021-05-01"><title-part><text>Air supply for wick burners</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F23D900/31001" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>F23D2900/31001</classification-symbol><class-title date-revised="2021-05-01"><title-part><text>Wick burners without flame spreaders or burner hood</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F23D900/31002" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>F23D2900/31002</classification-symbol><class-title date-revised="2021-05-01"><title-part><text>Wick burners with flame spreaders or burner hood</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F23D900/31003" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>F23D2900/31003</classification-symbol><class-title date-revised="2021-05-01"><title-part><text>Inverted wick burners, Wick burners using preheated air</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F23D900/31004" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>F23D2900/31004</classification-symbol><class-title date-revised="2021-05-01"><title-part><text>Wick burners using alcohol as a fuel</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F23D900/31005" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>F23D2900/31005</classification-symbol><class-title date-revised="2021-05-01"><title-part><text>Wick burners using oil as a fuel</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F23D900/31006" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>F23D2900/31006</classification-symbol><class-title date-revised="2021-05-01"><title-part><text>Details of blue flame wick burners</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F23D900/31007" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>F23D2900/31007</classification-symbol><class-title date-revised="2021-05-01"><title-part><text>Blue flame burners without flame spreader or burner hood</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F23D900/31008" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>F23D2900/31008</classification-symbol><class-title date-revised="2021-05-01"><title-part><text>Blue flame burners with flame spreader or burner hood without a bead at the wick carrying tube</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F23D900/31009" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>F23D2900/31009</classification-symbol><class-title date-revised="2021-05-01"><title-part><text>Blue flame burners with flame spreader or burner hood with a bead at the wick carrying tube</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F23D900/3101" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>F23D2900/3101</classification-symbol><class-title date-revised="2021-05-01"><title-part><text>Blue flame burners with flame on one side only without a bead at the wick carrying tube</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F23D900/31011" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>F23D2900/31011</classification-symbol><class-title date-revised="2021-05-01"><title-part><text>Blue flame burners with flame on one side only and a bead at the wick carrying tube</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F23D900/31012" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>F23D2900/31012</classification-symbol><class-title date-revised="2021-05-01"><title-part><text>Wick adjusting devices directly engaging the wick</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F23D900/31013" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>F23D2900/31013</classification-symbol><class-title date-revised="2021-05-01"><title-part><text>Wick adjusting devices engaging the tube carrying the wick</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F23D900/31014" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>F23D2900/31014</classification-symbol><class-title date-revised="2021-05-01"><title-part><text>Wick stop devices and wick fixing devices</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F23D900/31015" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>F23D2900/31015</classification-symbol><class-title date-revised="2021-05-01"><title-part><text>Devices for mounting the wick to the carrier</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F23D900/31016" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>F23D2900/31016</classification-symbol><class-title date-revised="2021-05-01"><title-part><text>Burners in which the gas produced in the wick is not burned instantaneously</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F23D900/31017" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>F23D2900/31017</classification-symbol><class-title date-revised="2021-05-01"><title-part><text>Burners using carburetted gas</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F23D900/31018" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>F23D2900/31018</classification-symbol><class-title date-revised="2021-05-01"><title-part><text>Nozzles and cleaning devices therefor</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F23D900/31019" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>F23D2900/31019</classification-symbol><class-title date-revised="2021-05-01"><title-part><text>Mixing tubes and burner heads</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F23D900/3102" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>F23D2900/3102</classification-symbol><class-title date-revised="2021-05-01"><title-part><text>Preheating devices</text></title-part><title-part><text>Starting devices</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F23D900/31021" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>F23D2900/31021</classification-symbol><class-title date-revised="2021-05-01"><title-part><text>Vaporisers with devices for controlling the feeding of the fuel</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F23D900/31022" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>F23D2900/31022</classification-symbol><class-title date-revised="2021-05-01"><title-part><text>Alcohol vapour burners</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="F23D900/31023" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>F23D2900/31023</classification-symbol><class-title date-revised="2021-05-01"><title-part><text>Vapour burners where the vaporiser is heated by conduction</text></title-part></class-title></classification-item></classification-item></classification-item></classification-item></class-scheme>