TREA

Han CHENG

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  • Zhejiang, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Converter
    • Patent number 11,398,708
    • Issue date Jul 26, 2022
    • GONGNIU GROUP CO., LTD.
    • Zhen Li
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

  • Information Patent Application

    ADAPTER AND RAIL SOCKET
    • Publication number 20230163542
    • Publication date May 25, 2023
    • GONGNIU GROUP CO., LTD.
    • Lihe ZHENG
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    ADAPTER
    • Publication number 20230101661
    • Publication date Mar 30, 2023
    • GONGNIU GROUP CO., LTD.
    • Bin YU
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    CONVERTER
    • Publication number 20210384685
    • Publication date Dec 9, 2021
    • GONGNIU GROUP CO., LTD.
    • Zhen LI
    • H01 - BASIC ELECTRIC ELEMENTS