TREA

Rong YI

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  • Zhongshan, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Counter-rotating fan
    • Patent number 11,661,943
    • Issue date May 30, 2023
    • Xiaowen Hu
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Fan with synchronously switch for rotation directions
    • Patent number 11,408,431
    • Issue date Aug 9, 2022
    • Runming Guo
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    COUNTER-ROTATING FAN
    • Publication number 20210388838
    • Publication date Dec 16, 2021
    • Guangdong Midea White Home Appliance Technology Innovation Center Co., Ltd.
    • Xiaowen HU
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    FAN
    • Publication number 20210215160
    • Publication date Jul 15, 2021
    • GD MIDEA ENVIRONMENT APPLIANCES MFG CO., LTD.
    • Huanming ZHANG
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...