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Tonghu Zhang

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  • Weicheng Weifang, Shandong, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Self-sealing butterfly valve
    • Patent number 9,995,399
    • Issue date Jun 12, 2018
    • SHANDONG LEDE MACHINERY CO., LTD.
    • Tonghu Zhang
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    QUICK CONNECTION CLAMPING HOOP
    • Publication number 20240102588
    • Publication date Mar 28, 2024
    • SHANDONG LEDE MACHINERY CO., LTD
    • Tonghu ZHANG
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    QUICK CONNECTION CLAMPING HOOP
    • Publication number 20210262595
    • Publication date Aug 26, 2021
    • SHANDONG LEDE MACHINERY CO., LTD
    • Tonghu ZHANG
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    SELF-SEALING BUTTERFLY VALVE
    • Publication number 20160201808
    • Publication date Jul 14, 2016
    • SHANDONG LEDE MACHINERY CO., LTD
    • Tonghu Zhang
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...