TREA

POWER NETWORK INDUSTRY COMPANY

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  • PING-CHEN CITY TAOYUAN, TW
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Patents Grantslast 30 patents

  • Information Patent Grant

    Operation mode switching mechanism
    • Patent number 9,227,313
    • Issue date Jan 5, 2016
    • Power Network Industry Co., Ltd.
    • Lung-Hsuan Tseng
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Multi-gear mechanism for power tools
    • Patent number 8,142,326
    • Issue date Mar 27, 2012
    • Power Network Industry Co., Ltd.
    • Ting-Kuang Chen
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Power output mechanism for power tools
    • Patent number 7,841,424
    • Issue date Nov 30, 2010
    • Power Network Industry Co., Ltd.
    • Ting-Kuang Chen
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Damping driving axle
    • Patent number 7,377,331
    • Issue date May 27, 2008
    • Power Network Industry Co., LTD
    • Ting-Kuang Chen
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Power tool transmission device
    • Patent number 6,926,095
    • Issue date Aug 9, 2005
    • Power Network Industry Co., LTD
    • Ting-Kuang Chen
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Power transmission device with automatic speed switching mechanism
    • Patent number 6,824,491
    • Issue date Nov 30, 2004
    • Power Network Industry Co., LTD
    • Ting-Kuang Chen
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Automatic speed shifting device
    • Patent number 6,758,783
    • Issue date Jul 6, 2004
    • Power Network Industry Co., LTD
    • Ting-Kuang Chen
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Output shaft locking device
    • Patent number 6,715,562
    • Issue date Apr 6, 2004
    • Power Network Industry, Co., Ltd.
    • Ting-Kuang Chen
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Nut having locking mechanism and low operating torque requirement
    • Patent number 6,682,284
    • Issue date Jan 27, 2004
    • Power Network Industry Co., LTD
    • Ting-Kuang Chen
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Speed changing mechanism for tools
    • Patent number 6,655,470
    • Issue date Dec 2, 2003
    • Power Network Industry Co., Ltd.
    • Ting-Kuang Chen
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Torque adjusting device for a drill
    • Patent number 6,533,093
    • Issue date Mar 18, 2003
    • Power Network Industry Co., Ltd.
    • Ting-Kuang Chen
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Locking device of power hand tool
    • Patent number 6,338,404
    • Issue date Jan 15, 2002
    • Power Network Industry Co., Ltd.
    • Ting-Kuang Chen
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Switch device for a power tool
    • Patent number 6,202,759
    • Issue date Mar 20, 2001
    • Power Network Industry Co., Ltd.
    • Ting-Kuang Chen
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS

Patents Applicationslast 30 patents

  • Information Patent Application

    OPERATION MODE SWITCHING MECHANISM
    • Publication number 20140144657
    • Publication date May 29, 2014
    • Power Network Industry Co., Ltd.
    • Lung-Hsuan TSENG
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    MULTI-GEAR MECHANISM FOR POWER TOOLS
    • Publication number 20110053728
    • Publication date Mar 3, 2011
    • Power Network Industry Co., Ltd.
    • Ting-Kuang Chen
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    LOCKING DEVICE
    • Publication number 20100034617
    • Publication date Feb 11, 2010
    • Power Network Industry Co., Ltd.
    • Ming-Yi Liao
    • B24 - GRINDING POLISHING

Trademarklast 30 trademarks