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Feng ZHANG

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  • Ninghai, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Gas pressure regulator
    • Patent number 11,668,406
    • Issue date Jun 6, 2023
    • Ningbo Wanan Co., Ltd.
    • Feng Zhang
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Gas pressure regulating device
    • Patent number 11,415,236
    • Issue date Aug 16, 2022
    • Feng Zhang
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Gas pressure regulating device
    • Patent number 11,385,661
    • Issue date Jul 12, 2022
    • Feng Zhang
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Plug valve for gas stove
    • Patent number 8,485,217
    • Issue date Jul 16, 2013
    • Ningbo Wanan Co., Ltd.
    • Feng Zhang
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Gas valve control device
    • Patent number 8,272,400
    • Issue date Sep 25, 2012
    • Ningbo Wanan Co., Ltd.
    • Feng Zhang
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Manual gas valve with natural/LP gas conversion capability
    • Patent number 7,458,386
    • Issue date Dec 2, 2008
    • Ningbo Wanan Co., Ltd.
    • Feng Zhang
    • F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS

Patents Applicationslast 30 patents

  • Information Patent Application

    GAS NEGATIVE PRESSURE VALVE
    • Publication number 20240419196
    • Publication date Dec 19, 2024
    • NINGBO WANAN CO. , LTD.
    • Feng ZHANG
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    TIMED GAS CUT-OFF DEVICE AND GAS EQUIPMENT
    • Publication number 20240344629
    • Publication date Oct 17, 2024
    • NINGBO WANAN CO. , LTD.
    • Feng ZHANG
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    GAS PRESSURE REGULATOR
    • Publication number 20220316613
    • Publication date Oct 6, 2022
    • NINGBO WANAN CO. , LTD.
    • Feng ZHANG
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Novel Electronic Gas Meter
    • Publication number 20190226896
    • Publication date Jul 25, 2019
    • Feng ZHANG
    • G08 - SIGNALLING
  • Information Patent Application

    PLUG VALVE FOR GAS STOVE
    • Publication number 20120001110
    • Publication date Jan 5, 2012
    • Feng ZHANG
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Application

    GAS VALVE CONTROL DEVICE
    • Publication number 20110001069
    • Publication date Jan 6, 2011
    • Feng ZHANG
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Application

    MANUAL GAS VALVE WITH NATURAL/LP GAS CONVERSION CAPABILITY
    • Publication number 20080156378
    • Publication date Jul 3, 2008
    • Feng ZHANG
    • F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS