Helong ZHANG

Person

  • Zhuhai, Guangdong, CN

Patents Grantslast 30 patents

  • Information Patent Grant

    Silencer and compressor

    • Patent number 11,421,690
    • Issue date Aug 23, 2022
    • Gree Electric Appliances (Wuhan) Co., Ltd
    • Hua Liu
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Slide valve for compressor and screw compressor with slide valve

    • Patent number 11,313,369
    • Issue date Apr 26, 2022
    • Gree Electric Appliances, Inc. of Zhuhai
    • Hua Liu
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Oil separation structure and compressor

    • Patent number 11,199,190
    • Issue date Dec 14, 2021
    • Gree Electric Appliances (Wuhan) Co., Ltd.
    • Hua Liu
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    Slide Valve for Compressor and Screw Compressor with Slide Valve

    • Publication number 20210115924
    • Publication date Apr 22, 2021
    • Hua Liu
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Screw Compressor and Air Conditioning Unit

    • Publication number 20200408210
    • Publication date Dec 31, 2020
    • Hua Liu
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SILENCER AND COMPRESSOR

    • Publication number 20200166035
    • Publication date May 28, 2020
    • GREE ELECTRIC APPLIANCES (WUHAN) CO., LTD
    • Hua LIU
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Oil Separation Structure and Compressor

    • Publication number 20200158113
    • Publication date May 21, 2020
    • Gree Electric Appliances (Wuhan) Co., Ltd.
    • Hua LIU
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Screw Compressor, Air Conditioning Apparatus and Refrigeration Appa...

    • Publication number 20200049148
    • Publication date Feb 13, 2020
    • GREE ELECTRIC APPLIANCES (WUHAN) CO., LTD
    • Tianyi ZHANG
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...