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Hsin-Chi Chen

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  • Taiping City, TW
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Patents Grantslast 30 patents

  • Information Patent Grant

    Safety cover for sand grinder
    • Patent number 10,086,496
    • Issue date Oct 2, 2018
    • TRANMAX MACHINERY CO., LTD
    • Hsin-Chi Chen
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Pneumatic tool using single controller for both forward/reverse swi...
    • Patent number 9,962,816
    • Issue date May 8, 2018
    • TRANMAX MACHINERY CO., LTD
    • Hsin-Chi Chen
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Impact device for power transmission
    • Patent number 9,643,301
    • Issue date May 9, 2017
    • TRANMAX MACHINERY CO., LTD
    • Hsin-Chi Chen
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Power tool
    • Patent number D759454
    • Issue date Jun 21, 2016
    • TRANMAX MACHINERY CO., LTD
    • Hsin-Chi Chen
    • D08 - Tools and hardware
  • Information Patent Grant

    Power tool
    • Patent number D758157
    • Issue date Jun 7, 2016
    • TRANMAX MACHINERY CO., LTD
    • Hsin-Chi Chen
    • D08 - Tools and hardware
  • Information Patent Grant

    Switch for pneumatic tool
    • Patent number 8,499,852
    • Issue date Aug 6, 2013
    • TRANMAX MACHINERY CO., LTD
    • Hsin-Chi Chen
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Riveting unit for electric rivet gun
    • Patent number 8,109,123
    • Issue date Feb 7, 2012
    • TRANMAX MACHINERY CO., LTD
    • Hsin-Chi Chen
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Electric handtool
    • Patent number D572554
    • Issue date Jul 8, 2008
    • Tranmax Machinery Co., Ltd.
    • Hsin-Chi Chen
    • D08 - Tools and hardware
  • Information Patent Grant

    Cordless ratchet wrench
    • Patent number D567045
    • Issue date Apr 22, 2008
    • Tranmax Machinery Co., Ltd
    • Hsin-Chi Chen
    • D08 - Tools and hardware
  • Information Patent Grant

    Mechanism for controlling circuit-closing/opening of power ratchet...
    • Patent number 7,307,230
    • Issue date Dec 11, 2007
    • Tranmax Machinery Co., Ltd
    • Hsin-Chi Chen
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Toothed ring connecting structure of a power tool
    • Patent number 7,306,050
    • Issue date Dec 11, 2007
    • Tranmax Machinery Co., Ltd
    • Hsin-Chi Chen
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Connection mechanism for battery pack and power tools
    • Patent number 7,186,117
    • Issue date Mar 6, 2007
    • Tranmax Machinery Co., Ltd
    • Hsin-Chi Chen
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Double-ram striker assembly
    • Patent number 7,147,063
    • Issue date Dec 12, 2006
    • Tranmax Machinery Co., Ltd.
    • Hsin-Chi Chen
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Airflow controlling mechanism
    • Patent number 7,059,350
    • Issue date Jun 13, 2006
    • Hsin-Chi Chen
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Airway airtight structure of pneumatic tool
    • Patent number 6,884,052
    • Issue date Apr 26, 2005
    • Hsin-Chi Chen
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Muffling structure for pneumatic tool
    • Patent number 6,751,952
    • Issue date Jun 22, 2004
    • Tranmax Machinery Co., Ltd
    • Hsin-Chi Chen
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Grant

    Pneumatic tool
    • Patent number D476210
    • Issue date Jun 24, 2003
    • Tranmax Machinery Co., Ltd
    • Hsin-Chi Chen
    • D08 - Tools and hardware
  • Information Patent Grant

    Torque restricting structure of pin hammer-type hammering mechanism
    • Patent number 6,446,735
    • Issue date Sep 10, 2002
    • Tranmax Machinery Co., Ltd.
    • Hsin-Chi Chen
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS

Patents Applicationslast 30 patents