TREA

Yafen Chen

Follow

Person

  • Shanghai, CN
People

Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    BALL BEARING AND BALL BEARING ASSEMBLY
    • Publication number 20240077105
    • Publication date Mar 7, 2024
    • Aktiebolaget SKF
    • Hongyuan AN
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    BEARING SEAL AND A BEARING WITH THE SAME
    • Publication number 20230072798
    • Publication date Mar 9, 2023
    • Aktiebolaget SKF
    • Hongyuan An
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    DEEP GROOVE BALL BEARING AND APPLICATIONS THEREOF
    • Publication number 20230047216
    • Publication date Feb 16, 2023
    • Aktiebolaget SKF
    • Hongyuan An
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...