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Andy Yu Sang Chan

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  • Chai Wan, HK
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Patents Grantslast 30 patents

  • Information Patent Grant

    Multi-valve pump head
    • Patent number 11,679,743
    • Issue date Jun 20, 2023
    • Bell Sports, Inc.
    • Stephen C. Park
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Multi-valve pump head
    • Patent number 11,235,738
    • Issue date Feb 1, 2022
    • Bell Sports, Inc.
    • Stephen C. Park
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Flexible U-lock
    • Patent number 9,376,841
    • Issue date Jun 28, 2016
    • Bell Sports, Inc.
    • Andy Yu Sang Chan
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES

Patents Applicationslast 30 patents

  • Information Patent Application

    MULTI-VALVE PUMP HEAD
    • Publication number 20230331197
    • Publication date Oct 19, 2023
    • BELL SPORTS, INC.
    • Stephen C. Park
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    MULTI-VALVE PUMP HEAD
    • Publication number 20220258701
    • Publication date Aug 18, 2022
    • BELL SPORTS, INC.
    • Stephen C. Park
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    MULTI-VALVE PUMP HEAD
    • Publication number 20210190220
    • Publication date Jun 24, 2021
    • BELL SPORTS, INC.
    • Stephen C. Park
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    FLEXIBLE U-LOCK
    • Publication number 20150059420
    • Publication date Mar 5, 2015
    • BELL SPORTS, INC.
    • Andy Yu Sang Chan
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...