TREA

Zhibing Zhai

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  • Shanghai, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Quick-fitting pipe fitting
    • Patent number 11,906,085
    • Issue date Feb 20, 2024
    • Shanghai Vision Mechanical Joint Co., Ltd.
    • Zhigang Lu
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Pipe element coupler and coupling method thereof
    • Patent number 11,898,675
    • Issue date Feb 13, 2024
    • Shanghai Vision Mechanical Joint Co., Ltd.
    • Zhigang Lu
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Quick-fitting pipe fitting assembly
    • Patent number 11,781,685
    • Issue date Oct 10, 2023
    • Shanghai Vision Mechanical Joint Co., Ltd.
    • Zhigang Lu
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Quick-fitting pipe fitting assembly
    • Patent number 11,781,686
    • Issue date Oct 10, 2023
    • Shanghai Vision Mechanical Joint Co., Ltd.
    • Zhigang Lu
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Pipe element coupler and coupling method thereof
    • Patent number 10,851,928
    • Issue date Dec 1, 2020
    • Shanghai Vision Mechanical Joint Co., Ltd.
    • Zhigang Lu
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Pipe element coupler and coupling method thereof
    • Patent number 10,711,929
    • Issue date Jul 14, 2020
    • Shanghai Vision Mechanical Joint Co., Ltd.
    • Zhigang Lu
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    QUICK COUPLER
    • Publication number 20220307633
    • Publication date Sep 29, 2022
    • Shanghai Vision Mechanical Joint Co., Ltd.
    • Zhigang LU
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Pipeline Connecting Device, Pipeline Element Coupling Piece and Cou...
    • Publication number 20220205570
    • Publication date Jun 30, 2022
    • Shanghai Vision Mechanical Joint Co., Ltd.
    • Zhigang LU
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Quick-Fitting Pipe Fitting Assembly
    • Publication number 20220186862
    • Publication date Jun 16, 2022
    • Shanghai Vision Mechanical Joint Co., Ltd.
    • Zhigang LU
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Quick-Fitting Pipe Fitting Assembly
    • Publication number 20220186861
    • Publication date Jun 16, 2022
    • Shanghai Vision Mechanical Joint Co., Ltd.
    • Zhigang LU
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Pipe Element Coupler and Coupling Method Thereof
    • Publication number 20200408341
    • Publication date Dec 31, 2020
    • Shanghai Vision Mechanical Joint Co., Ltd.
    • Zhigang LU
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...