TREA

Yang LIU

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  • Wenzhou, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Pump-valve integrated mechanism
    • Patent number 10,920,761
    • Issue date Feb 16, 2021
    • ZHEJIANG RUIWEI ELECTROMECHANICAL TECHNOLOGY CO., LTD.
    • Zujun Yin
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    PUMP-VALVE INTEGRATED MECHANISM
    • Publication number 20200158101
    • Publication date May 21, 2020
    • Zhejiang Ruiwei Electromechanical Technology Co., Ltd.
    • Zujun YIN
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...