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Yongmao Liu

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  • Xiamen, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Leak-proof device for water inlet valve
    • Patent number 10,920,406
    • Issue date Feb 16, 2021
    • LAB (XIAMEN) SANITARY FITTINGS INC.
    • Yongmao Liu
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Water stop valve
    • Patent number 10,920,903
    • Issue date Feb 16, 2021
    • LAB (XIAMEN) SANITARY FITTINGS INC.
    • Yongmao Liu
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Twin water-drainage valve inner core tube starting apparatus
    • Patent number 10,161,122
    • Issue date Dec 25, 2018
    • LAB (XIAMEN) SANITARY FITTING INC
    • Yongmao Liu
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Major water leak prevention apparatus for water inlet valve
    • Patent number 10,132,067
    • Issue date Nov 20, 2018
    • LAB (XIAMEN) SANITARY FITTINGS INC
    • Yongmao Liu
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Minor water leak prevention apparatus for water inlet valve
    • Patent number 10,041,240
    • Issue date Aug 7, 2018
    • LAB (XIAMEN) SANITARY FITTINGS INC
    • Yongmao Liu
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Soft-touch double-drain valve
    • Patent number 9,476,192
    • Issue date Oct 25, 2016
    • LAB (XIAMEN) SANITARY FITTINGS INC
    • Yongmao Liu
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Water inlet valve
    • Patent number 9,441,354
    • Issue date Sep 13, 2016
    • LAB (XIAMEN)SANITARY FITTINGS INC.
    • Yongmao Liu
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Drain valve base
    • Patent number 8,899,549
    • Issue date Dec 2, 2014
    • Yongmao Liu
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Water leakage protecting device
    • Patent number 8,650,672
    • Issue date Feb 18, 2014
    • Lab (Xiamen) Santitary Fitting Inc.
    • Yongmao Liu
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    AIR RELEASE VALVE AND AIR PRESSURE DRIVEN TOILET WATER TANK DRAIN V...
    • Publication number 20230160190
    • Publication date May 25, 2023
    • LAB (XIAMEN) SANITARY FITTINGS INC.
    • ZIPENG ZHANG
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Application

    LEAK-PROOF DEVICE FOR WATER INLET VALVE
    • Publication number 20200056357
    • Publication date Feb 20, 2020
    • LAB (XIAMEN) SANITARY FITTINGS INC.
    • Yongmao Liu
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    WATER STOP VALVE
    • Publication number 20200049273
    • Publication date Feb 13, 2020
    • LAB (XIAMEN) SANITARY FITTINGS INC.
    • Yongmao Liu
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    MINOR WATER LEAK PREVENTION APPARATUS FOR WATER INLET VALVE
    • Publication number 20170002555
    • Publication date Jan 5, 2017
    • LAB (XIAMEN) SANITARY FITTINGS INC.
    • Yongmao Liu
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Application

    MAJOR WATER LEAK PREVENTION APPARATUS FOR WATER INLET VALVE
    • Publication number 20170002946
    • Publication date Jan 5, 2017
    • LAB (XIAMEN) SANITARY FITTING INC
    • Yongmao Liu
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Application

    TWIN WATER-DRAINAGE VALVE INNER CORE TUBE STARTING APPARATUS
    • Publication number 20160273201
    • Publication date Sep 22, 2016
    • LAB (XIAMEN) SANITARY FITTINGS INC.
    • Yongmao Liu
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Application

    WATER INLET VALVE
    • Publication number 20150211220
    • Publication date Jul 30, 2015
    • Yongmao Liu
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Application

    SOFT-TOUCH DOUBLE-DRAIN VALVE
    • Publication number 20140223656
    • Publication date Aug 14, 2014
    • LAB (XIAMEN) SANITARY FITTINGS INC.
    • Yongmao Liu
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Application

    DRAIN VALVE BASE
    • Publication number 20130207017
    • Publication date Aug 15, 2013
    • Yongmao Liu
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Application

    WATER LEAKAGE PROTECTING DEVICE
    • Publication number 20130198944
    • Publication date Aug 8, 2013
    • Yongmao Liu
    • E03 - WATER SUPPLY SEWERAGE