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ZSI_Reconnect_China/PATSTAT/CPC_data/CPCSchemeXML202302/cpc-scheme-F04F.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="F04F" definition-exists="true" date-revised="2018-08-01" status="published"><classification-symbol>F04F</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED </text><CPC-specific-text><reference><text>evacuating by sorption <class-ref scheme="cpc">F04B</class-ref></text></reference></CPC-specific-text></title-part><title-part><text>SIPHONS </text><CPC-specific-text><reference><text>conveying materials in bulk by flows of gas, liquid of foam <class-ref scheme="cpc">B65G53/00</class-ref></text></reference></CPC-specific-text></title-part></class-title><notes-and-warnings date-revised="2013-01-01"><note type="note"><note-paragraph>Attention is drawn to the notes preceding class <class-ref scheme="cpc">F01</class-ref>.</note-paragraph><note-paragraph>Combinations of pumps belonging to this subclass with other pumps are only classified in this subclass if such other pumps are fore pumps of diffusion pumps.</note-paragraph></note><note type="warning"><note-paragraph>In this subclass non-limiting references (in the sense of paragraph 39 of the Guide to the IPC) may still be displayed in the scheme.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="true" level="6" additional-only="false" sort-key="F04F1/00" date-revised="2013-01-01" status="published"><classification-symbol>F04F1/00</classification-symbol>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F04F1/00" definition-exists="true" ipc-concordant="F04F1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F04F1/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Pumps using positively or negatively pressurised fluid medium acting directly on the liquid to be pumped </text><reference><text>using only negative pressure <class-ref scheme="cpc">F04F3/00</class-ref>; jet pumps <class-ref scheme="cpc">F04F5/00</class-ref>; siphons <class-ref scheme="cpc">F04F10/00</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F04F1/02" definition-exists="false" ipc-concordant="F04F1/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F04F1/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using both positively and negatively pressurised fluid medium, e.g. alternating</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F04F1/04" definition-exists="false" ipc-concordant="F04F1/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F04F1/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>generated by vaporising and condensing</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F04F1/06" definition-exists="false" ipc-concordant="F04F1/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F04F1/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the fluid medium acting on the surface of the liquid to be pumped </text><reference><text><class-ref scheme="cpc">F04F1/02</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="F04F1/08" definition-exists="false" ipc-concordant="F04F1/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>F04F1/08</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>specially adapted for raising liquids from great depths, e.g. in wells</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F04F1/10" definition-exists="false" ipc-concordant="F04F1/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F04F1/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of multiple type, e.g. with two or more units in parallel </text><reference><text><class-ref scheme="cpc">F04F1/08</class-ref> takes precedence</text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F04F1/12" definition-exists="false" ipc-concordant="F04F1/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F04F1/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>in series</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F04F1/14" definition-exists="false" ipc-concordant="F04F1/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F04F1/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>adapted to pump specific liquids, e.g. corrosive or hot liquids</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F04F1/16" definition-exists="false" ipc-concordant="F04F1/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F04F1/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterised by the fluid medium being suddenly pressurised, e.g. by explosion</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F04F1/18" definition-exists="false" ipc-concordant="F04F1/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F04F1/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the fluid medium being mixed with, or generated from the liquid to be pumped</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F04F1/20" definition-exists="false" ipc-concordant="F04F1/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F04F1/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>specially adapted for raising liquids from great depths, e.g. in wells</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="F04F3/00" definition-exists="true" ipc-concordant="F04F3/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F04F3/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Pumps using negative pressure acting directly on the liquid to be pumped </text><reference><text>siphons <class-ref scheme="cpc">F04F10/00</class-ref></text></reference></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F04F5/00" definition-exists="true" ipc-concordant="F04F5/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F04F5/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow </text><reference><text>diffusion pumps <class-ref scheme="cpc">F04F9/00</class-ref>; combination of jet pumps with pumps of other than jet type <class-ref scheme="cpc">F04B</class-ref>; use of jet pumps for priming or boosting non-positive-displacement pumps <class-ref scheme="cpc">F04D</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F04F5/02" definition-exists="false" ipc-concordant="F04F5/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>F04F5/02</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>the inducing fluid being liquid</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F04F5/04" definition-exists="false" ipc-concordant="F04F5/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F04F5/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>displacing elastic fluids</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F04F5/06" definition-exists="false" ipc-concordant="F04F5/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F04F5/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of rotary type</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F04F5/08" definition-exists="false" ipc-concordant="F04F5/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F04F5/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the elastic fluid being entrained in a free falling column of liquid</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F04F5/10" definition-exists="false" ipc-concordant="F04F5/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F04F5/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>displacing liquids, e.g. containing solids, or liquids and elastic fluids</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F04F5/12" definition-exists="false" ipc-concordant="F04F5/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F04F5/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of multi-stage type</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="F04F5/14" definition-exists="false" ipc-concordant="F04F5/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F04F5/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the inducing fluid being elastic fluid</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F04F5/16" definition-exists="false" ipc-concordant="F04F5/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F04F5/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>displacing elastic fluids</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F04F5/18" definition-exists="false" ipc-concordant="F04F5/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F04F5/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for compressing</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F04F5/20" definition-exists="false" ipc-concordant="F04F5/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F04F5/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for evacuating</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F04F5/22" definition-exists="false" ipc-concordant="F04F5/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F04F5/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of multi-stage type</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="F04F5/24" definition-exists="false" ipc-concordant="F04F5/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>F04F5/24</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>displacing liquids, e.g. containing solids, or liquids and elastic fluids</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F04F5/26" definition-exists="false" ipc-concordant="F04F5/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F04F5/26</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of multi-stage type </text><reference><text><class-ref scheme="cpc">F04F5/28</class-ref> takes precedence</text></reference></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F04F5/28" definition-exists="false" ipc-concordant="F04F5/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F04F5/28</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Restarting of inducing action</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F04F5/30" definition-exists="false" ipc-concordant="F04F5/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F04F5/30</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with axially-slidable combining nozzle</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="F04F5/32" definition-exists="false" ipc-concordant="F04F5/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F04F5/32</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with hinged flap in combining nozzle</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="F04F5/34" definition-exists="false" ipc-concordant="F04F5/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F04F5/34</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterised by means for changing inducing fluid source</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F04F5/36" definition-exists="false" ipc-concordant="F04F5/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F04F5/36</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterised by using specific inducing fluid</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F04F5/38" definition-exists="false" ipc-concordant="F04F5/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F04F5/38</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the inducing fluid being mercury vapour</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F04F5/40" definition-exists="false" ipc-concordant="F04F5/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F04F5/40</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the inducing fluid being oil vapour</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="F04F5/42" definition-exists="false" ipc-concordant="F04F5/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F04F5/42</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterised by the input flow of inducing fluid medium being radial or tangential to output flow </text><reference><text>cyclones <class-ref scheme="cpc">B04C</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="F04F5/44" definition-exists="false" ipc-concordant="F04F5/44" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-05-01" status="published"><classification-symbol>F04F5/44</classification-symbol><class-title date-revised="2016-05-01"><title-part><text>Component parts, details, or accessories not provided for in, or of interest apart from, groups <class-ref scheme="cpc">F04F5/02</class-ref>&#160;-&#160;<class-ref scheme="cpc">F04F5/42</class-ref></text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F04F5/46" definition-exists="false" ipc-concordant="F04F5/46" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F04F5/46</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Arrangements of nozzles</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F04F5/461" definition-exists="false" ipc-concordant="F04F5/46" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F04F5/461</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Adjustable nozzles</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="F04F5/462" definition-exists="false" ipc-concordant="F04F5/46" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F04F5/462</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with provisions for cooling the fluid</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="F04F5/463" definition-exists="false" ipc-concordant="F04F5/46" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F04F5/463</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with provisions for mixing</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="F04F5/464" definition-exists="false" ipc-concordant="F04F5/46" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F04F5/464</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with inversion of the direction of flow</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F04F5/465" definition-exists="false" ipc-concordant="F04F5/46" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>F04F5/465</classification-symbol><class-title date-revised="2022-01-01"><title-part><CPC-specific-text><text>with supersonic flow </text><reference><text>mixing of supersonic fluids <class-ref scheme="cpc">B01F25/20</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="F04F5/466" definition-exists="false" ipc-concordant="F04F5/46" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F04F5/466</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with a plurality of nozzles arranged in parallel</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="F04F5/467" definition-exists="false" ipc-concordant="F04F5/46" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F04F5/467</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with a plurality of nozzles arranged in series</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="F04F5/468" definition-exists="false" ipc-concordant="F04F5/46" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F04F5/468</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with provisions for priming</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="F04F5/469" definition-exists="false" ipc-concordant="F04F5/46" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F04F5/469</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for steam engines</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="F04F5/48" definition-exists="false" ipc-concordant="F04F5/48" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F04F5/48</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Control</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F04F5/50" definition-exists="false" ipc-concordant="F04F5/50" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F04F5/50</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of compressing pumps</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F04F5/52" definition-exists="false" ipc-concordant="F04F5/52" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F04F5/52</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of evacuating pumps</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="F04F5/54" definition-exists="false" ipc-concordant="F04F5/54" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F04F5/54</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Installations characterised by use of jet pumps, e.g. combinations of two or more jet pumps of different type</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F04F7/00" definition-exists="true" ipc-concordant="F04F7/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>F04F7/00</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>Pumps displacing fluids by using inertia thereof, e.g. by generating vibrations therein</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F04F7/02" definition-exists="true" ipc-concordant="F04F7/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F04F7/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Hydraulic rams</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F04F9/00" definition-exists="true" ipc-concordant="F04F9/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F04F9/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Diffusion pumps</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F04F9/02" definition-exists="false" ipc-concordant="F04F9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F04F9/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of multi-stage type</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F04F9/04" definition-exists="false" ipc-concordant="F04F9/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F04F9/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>in combination with fore pumps, e.g. use of isolating valves</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F04F9/06" definition-exists="false" ipc-concordant="F04F9/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F04F9/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Arrangement of vapour traps</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F04F9/08" definition-exists="false" ipc-concordant="F04F9/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F04F9/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Control</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F04F10/00" definition-exists="true" ipc-concordant="F04F10/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F04F10/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Siphons</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F04F10/02" definition-exists="false" ipc-concordant="F04F10/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F04F10/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Gravity-actuated siphons</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F04F13/00" definition-exists="true" ipc-concordant="F04F13/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F04F13/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Pressure exchangers</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F04F99/00" definition-exists="true" ipc-concordant="F04F99/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F04F99/00</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></class-scheme>