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Xin Dai

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  • Qingdao, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Control of liquid ring pump
    • Patent number 12,188,473
    • Issue date Jan 7, 2025
    • Edwards Technologies Vacuum Engineering (Qingdao) Company Limited
    • Xin Dai
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Control of operating liquid flow into a liquid ring pump
    • Patent number 12,123,412
    • Issue date Oct 22, 2024
    • Edwards Technologies Vacuum Engineering (Qingdao) Company Limited
    • Andries Daniel Jozef De Bock
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Liquid ring pump control
    • Patent number 12,038,007
    • Issue date Jul 16, 2024
    • Edwards Technologies Vacuum Engineering (Qingdao) Company Limited
    • Andries Daniel Jozef De Bock
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Liquid ring pump control
    • Patent number 11,828,285
    • Issue date Nov 28, 2023
    • Edwards Technologies Vacuum Engineering (Qingdao) Company Limited
    • Andries Daniel Jozef De Bock
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    SYSTEM AND METHOD FOR CLEANING A LIQUID RING PUMP SYSTEM
    • Publication number 20250163915
    • Publication date May 22, 2025
    • Edwards Technologies Vacuum Engineering (Qingdao) Company Limited
    • Andries Daniel Jozef De Bock
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    CONTROL OF LIQUID RING PUMP
    • Publication number 20240133380
    • Publication date Apr 25, 2024
    • Edwards Technologies Vacuum Engineering (Qingdao) Co Ltd
    • Xin Dai
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    CONTROL OF OPERATING LIQUID FLOW INTO A LIQUID RING PUMP
    • Publication number 20230332601
    • Publication date Oct 19, 2023
    • EdwardsTechnologies Vacuum Engineering (Qingdao) Co Ltd
    • Andries Daniel Jozef De Bock
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    LIQUID RING PUMP CONTROL
    • Publication number 20230243353
    • Publication date Aug 3, 2023
    • Edwards Technologies Vacuum Engineering (Qingdao) Company Limited
    • Andries Daniel Jozef De Bock
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    LIQUID RING PUMP CONTROL
    • Publication number 20220018353
    • Publication date Jan 20, 2022
    • Andries Daniel Jozef De Bock
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    A LIQUID RING PUMP MANIFOLD
    • Publication number 20210017989
    • Publication date Jan 21, 2021
    • Edwards Technologies Vacuum Engineering (Qingdao) Co. Ltd.
    • Andries Daniel Jozef De Bock
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...