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JIAN-SHIOU LIAW

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  • Taichung City, TW
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Patents Grantslast 30 patents

  • Information Patent Grant

    Wrench
    • Patent number 11,383,358
    • Issue date Jul 12, 2022
    • TAGATEC INDUSTRIAL., LTD.
    • Jian-Shiou Liaw
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Grinding device for inner holes
    • Patent number 11,358,251
    • Issue date Jun 14, 2022
    • Jian-Shiou Liaw
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Valve seat of a pneumatic hammer
    • Patent number 11,273,546
    • Issue date Mar 15, 2022
    • Jian-Shiou Liaw
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Pneumatic hammer
    • Patent number 10,792,798
    • Issue date Oct 6, 2020
    • Jian-Shiou Liaw
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Positioning structure for cutting machines or grinder machines
    • Patent number 9,616,548
    • Issue date Apr 11, 2017
    • Jian-Shiou Liaw
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Hand tool having a reciprocally driving mechanism
    • Patent number 8,646,185
    • Issue date Feb 11, 2014
    • Jian-Shiou Liaw
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Cutting tool adopted for two handed operation
    • Patent number 7,036,230
    • Issue date May 2, 2006
    • K.K.U. Limited
    • Jian-Shiou Liaw
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
  • Information Patent Grant

    Tool head for a dual punch tool
    • Patent number 6,401,345
    • Issue date Jun 11, 2002
    • K.K.U. Limited
    • Jian-Shiou Liaw
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING

Patents Applicationslast 30 patents

  • Information Patent Application

    PNEUMATIC HAMMER
    • Publication number 20240391072
    • Publication date Nov 28, 2024
    • JIAN-SHIOU LIAW
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    PNEUMATIC EXTRACTION DEVICE
    • Publication number 20240217079
    • Publication date Jul 4, 2024
    • JIAN-SHIOU LIAW
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    GRINDING DEVICE FOR INNER HOLES
    • Publication number 20220143773
    • Publication date May 12, 2022
    • JIAN-SHIOU LIAW
    • B24 - GRINDING POLISHING
  • Information Patent Application

    AIR RATCHET WRENCH
    • Publication number 20210347019
    • Publication date Nov 11, 2021
    • JIAN-SHIOU LIAW
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    POWER RATCHET TOOL CAPABLE OF ACCESSING NARROW AND ELONGATED SPACES
    • Publication number 20210101264
    • Publication date Apr 8, 2021
    • JIAN-SHIOU LIAW
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    PNEUMATIC DEVICE WITH A QUICK RELEASE STRUCTURE
    • Publication number 20210086339
    • Publication date Mar 25, 2021
    • JIAN-SHIOU LIAW
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    Valve Seat of a Pneumatic Hammer
    • Publication number 20200238496
    • Publication date Jul 30, 2020
    • JIAN-SHIOU LIAW
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    PNEUMATIC HAMMER
    • Publication number 20200078917
    • Publication date Mar 12, 2020
    • JIAN-SHIOU LIAW
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    POWER FILE FOR NARROW PROCESSING ENVIRONMENTS
    • Publication number 20190337113
    • Publication date Nov 7, 2019
    • JIAN-SHIOU LIAW
    • B24 - GRINDING POLISHING
  • Information Patent Application

    CARBON-FIBER SEAT FOR A PNEUMATIC HAMMER
    • Publication number 20190072197
    • Publication date Mar 7, 2019
    • Jian-Shiou LIAW
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    Air File
    • Publication number 20190039200
    • Publication date Feb 7, 2019
    • JIAN-SHIOU LIAW
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    HAND TOOL HAVING A RECIPROCALLY DRIVING MECHANISM
    • Publication number 20120151782
    • Publication date Jun 21, 2012
    • JIAN-SHIOU LIAW
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR