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Yaoting Liu

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  • Weihai City, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Gear self-tightening drill chuck
    • Patent number 11,097,354
    • Issue date Aug 24, 2021
    • Yaoting Liu
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Drill chuck
    • Patent number 10,086,442
    • Issue date Oct 2, 2018
    • WEIHAI DAWANG HARDWARE PRODUCTS LIMITED
    • Yaoting Liu
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

  • Information Patent Application

    Clutch Device, Drill Chuck, Power Tool, and Bidirectional Rotation...
    • Publication number 20220118528
    • Publication date Apr 21, 2022
    • Yaoting LIU
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Gear Self-tightening Drill Chuck
    • Publication number 20190184470
    • Publication date Jun 20, 2019
    • Yaoting LIU
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    DRILL CHUCK
    • Publication number 20150209871
    • Publication date Jul 30, 2015
    • WEIHAI DAWANG HARDWARE PRODUCTS LIMITED
    • Yaoting Liu
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR