Wenfeng Chen

Person

  • Foshan, CN

Patents Grantslast 30 patents

  • Information Patent Grant

    Pipe fitting joint assembly

    • Patent number 11,346,479
    • Issue date May 31, 2022
    • RIFENG ENTERPRISE (FOSHAN) CO., LTD.
    • Xiyong Lin
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    SEALING STRUCTURE

    • Publication number 20220307636
    • Publication date Sep 29, 2022
    • RIFENG ENTERPRISE (FOSHAN) CO., LTD.
    • Zhenbin Diao
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    PIPE FITTING JOINT ASSEMBLY

    • Publication number 20200096145
    • Publication date Mar 26, 2020
    • RIFENG ENTERPRISE (FOSHAN) CO., LTD.
    • Xiyong Lin
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...