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Yan Qiu

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  • Marshalltown, IA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Push-down-to-open high recovery choke valves
    • Patent number 11,624,442
    • Issue date Apr 11, 2023
    • Fisher Controls International LLC
    • Yan Qiu
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Fluid flow control device having a particle catcher
    • Patent number 11,376,532
    • Issue date Jul 5, 2022
    • Fisher Controls International LLC
    • Yan Qiu
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Quick change valve trim assembly
    • Patent number 11,187,344
    • Issue date Nov 30, 2021
    • Fisher Controls International LLC
    • Yan Qiu
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Multi-cone, multi-stage spray nozzle
    • Patent number 11,073,279
    • Issue date Jul 27, 2021
    • Fisher Controls International LLC
    • Yan Qiu
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Quick change valve trim assembly
    • Patent number 10,655,745
    • Issue date May 19, 2020
    • Fisher Controls International LLC
    • Yan Qiu
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Multi-cone, multi-stage spray nozzle
    • Patent number 10,371,374
    • Issue date Aug 6, 2019
    • Fisher Controls International LLC
    • Yan Qiu
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
  • Information Patent Grant

    Assembly for start-up testing fluid flow control devices at various...
    • Patent number 10,295,430
    • Issue date May 21, 2019
    • Fisher Controls International LLC
    • Yan Qiu
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    PUSH-DOWN-TO-OPEN HIGH RECOVERY CHOKE VALVES
    • Publication number 20220260160
    • Publication date Aug 18, 2022
    • FISHER CONTROLS INTERNATIONAL LLC
    • Yan Qiu
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Quick Change Valve Trim Assembly
    • Publication number 20200278044
    • Publication date Sep 3, 2020
    • FISHER CONTROLS INTERNATIONAL LLC
    • Yan Qiu
    • G05 - CONTROLLING REGULATING
  • Information Patent Application

    Quick Change Valve Trim Assembly
    • Publication number 20190285188
    • Publication date Sep 19, 2019
    • FISHER CONTROLS INTERNATIONAL LLC
    • Yan Qiu
    • G05 - CONTROLLING REGULATING
  • Information Patent Application

    Fluid Flow Control Device Having a Particle Catcher
    • Publication number 20190099703
    • Publication date Apr 4, 2019
    • FISHER CONTROLS INTERNATIONAL LLC
    • Yan Qiu
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    MULTI-CONE, MULTI-STAGE SPRAY NOZZLE
    • Publication number 20180058685
    • Publication date Mar 1, 2018
    • FISHER CONTROLS INTERNATIONAL LLC
    • Yan Qiu
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
  • Information Patent Application

    MULTI-CONE, MULTI-STAGE SPRAY NOZZLE
    • Publication number 20180058684
    • Publication date Mar 1, 2018
    • FISHER CONTROLS INTERNATIONAL LLC
    • Yan Qiu
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
  • Information Patent Application

    Assembly for Start-Up Testing Fluid Flow Control Devices at Various...
    • Publication number 20170122832
    • Publication date May 4, 2017
    • FISHER CONTROLS INTERNATIONAL LLC
    • Yan Qiu
    • G01 - MEASURING TESTING