TREA

Tsai-Ching Chen

Follow

Person

  • Chang Hua Hsien, TW
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Chuck for tool bits
    • Patent number D982408
    • Issue date Apr 4, 2023
    • GOOD YEAR HARDWARE CO., LTD.
    • Tsai-Ching Chen
    • D08 - Tools and hardware
  • Information Patent Grant

    Tool box
    • Patent number D846278
    • Issue date Apr 23, 2019
    • Good Year Hardware Co., Ltd.
    • Tsai-Ching Chen
    • D03 - Travel goods and personal belongings
  • Information Patent Grant

    Push-button tool box with swing seat
    • Patent number 9,827,664
    • Issue date Nov 28, 2017
    • Good Year Hardware Co., Ltd.
    • Tsai-Ching Chen
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Tool bit adapter having a position-limit rod
    • Patent number 9,381,627
    • Issue date Jul 5, 2016
    • Good Year Hardware Co., Ltd.
    • Tsai-Ching Chen
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Toolbox
    • Patent number D715547
    • Issue date Oct 21, 2014
    • Good Year Hardware Co., Ltd.
    • Tsai-Ching Chen
    • D03 - Travel goods and personal belongings
  • Information Patent Grant

    Screwdriver having a removable rod member
    • Patent number 8,826,781
    • Issue date Sep 9, 2014
    • Good Year Hardware Co., Ltd.
    • Tsai-Ching Chen
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Tool box
    • Patent number D702438
    • Issue date Apr 15, 2014
    • Good Year Hardware Co., Ltd.
    • Tsai-Ching Chen
    • D03 - Travel goods and personal belongings
  • Information Patent Grant

    Toolbox
    • Patent number D691371
    • Issue date Oct 15, 2013
    • Goood Year Hardware Co., Ltd.
    • Tsai-Ching Chen
    • D03 - Travel goods and personal belongings
  • Information Patent Grant

    Rotary toolbox
    • Patent number 8,397,912
    • Issue date Mar 19, 2013
    • Good Year Hardware Co., Ltd.
    • Tsai-Ching Chen
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Multi-angle hand tool
    • Patent number 8,342,062
    • Issue date Jan 1, 2013
    • Tsai-Ching Chen
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Handlebar grip for hand tool
    • Patent number D661569
    • Issue date Jun 12, 2012
    • Good Year Hardware Co., Ltd.
    • Tsai-Ching Chen
    • D08 - Tools and hardware
  • Information Patent Grant

    Screwdriver kit
    • Patent number 7,950,311
    • Issue date May 31, 2011
    • Tsai-Ching Chen
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Chuck
    • Patent number 7,823,890
    • Issue date Nov 2, 2010
    • Tsai-Ching Chen
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Screwdriver
    • Patent number D601399
    • Issue date Oct 6, 2009
    • Tsai-Ching Chen
    • D08 - Tools and hardware
  • Information Patent Grant

    Toolbox
    • Patent number D579204
    • Issue date Oct 28, 2008
    • Tsai-Ching Chen
    • D03 - Travel goods and personal belongings
  • Information Patent Grant

    Toolbox
    • Patent number D571552
    • Issue date Jun 24, 2008
    • Tsai-Ching Chen
    • D03 - Travel goods and personal belongings
  • Information Patent Grant

    Tool holder
    • Patent number D555354
    • Issue date Nov 20, 2007
    • Tsai-Ching Chen
    • D03 - Travel goods and personal belongings
  • Information Patent Grant

    Toolbox
    • Patent number D537253
    • Issue date Feb 27, 2007
    • Tsai-Ching Chen
    • D03 - Travel goods and personal belongings
  • Information Patent Grant

    Toolbox
    • Patent number 7,168,559
    • Issue date Jan 30, 2007
    • Tsai-Ching Chen
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Toolbox
    • Patent number 6,942,095
    • Issue date Sep 13, 2005
    • Tsai-Ching Chen
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Chuck apparatus
    • Patent number 6,874,791
    • Issue date Apr 5, 2005
    • Tsai-Ching Chen
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Chuck device
    • Patent number 6,860,489
    • Issue date Mar 1, 2005
    • Tsai-Ching Chen
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Tool bit holding device with an improved retaining effect
    • Patent number 6,644,150
    • Issue date Nov 11, 2003
    • Tsai-Ching Chen
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Chuck device for miniature tool bits
    • Patent number 6,637,755
    • Issue date Oct 28, 2003
    • Tsai-Ching Chen
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Grant

    Chuck
    • Patent number D479253
    • Issue date Sep 2, 2003
    • Tsai-Ching Chen
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Chuck device for tools
    • Patent number 6,325,393
    • Issue date Dec 4, 2001
    • Tsai-Ching Chen
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Chuck device for tool bits
    • Patent number 6,270,085
    • Issue date Aug 7, 2001
    • Tsai-Ching Chen
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Ratchet transmission control mechanism for a ratcheting tool
    • Patent number 6,206,160
    • Issue date Mar 27, 2001
    • Tsai-Ching Chen
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Tool holder
    • Patent number 6,134,788
    • Issue date Oct 24, 2000
    • Tsai-Ching Chen
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Grant

    Handle of tool
    • Patent number D422870
    • Issue date Apr 18, 2000
    • Tsai-Ching Chen
    • D08 - Tools and hardware

Patents Applicationslast 30 patents

  • Information Patent Application

    TOOL BIT ADAPTER HAVING A MAGNETIC ATTRACTION EFFECT
    • Publication number 20180354105
    • Publication date Dec 13, 2018
    • GOOD YEAR HARDWARE CO., LTD.
    • TSAI-CHING CHEN
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    TOOL BIT ADAPTER
    • Publication number 20150202751
    • Publication date Jul 23, 2015
    • GOOD YEAR HARDWARE CO., LTD.
    • TSAI-CHING CHEN
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    TOOL BIT ADAPTER HAVING A POSITION-LIMIT ROD
    • Publication number 20150202689
    • Publication date Jul 23, 2015
    • GOOD YEAR HARDWARE CO., LTD.
    • TSAI-CHING CHEN
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    SCREWDRIVER HAVING A REMOVABLE ROD MEMBER
    • Publication number 20120285299
    • Publication date Nov 15, 2012
    • Tsai-Ching CHEN
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    Hand Tool
    • Publication number 20120272795
    • Publication date Nov 1, 2012
    • Tsai-Ching Chen
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    TOOLBOX
    • Publication number 20120211384
    • Publication date Aug 23, 2012
    • Tsai-Ching CHEN
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    Multi-angle Hand Tool
    • Publication number 20110146459
    • Publication date Jun 23, 2011
    • Tsai-Ching Chen
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    Hand Tool
    • Publication number 20110017029
    • Publication date Jan 27, 2011
    • Tsai-Ching Chen
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    Screwdriver Kit
    • Publication number 20100108562
    • Publication date May 6, 2010
    • Tsai-Ching Chen
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    EXTENSION CHUCK TOOL
    • Publication number 20080179841
    • Publication date Jul 31, 2008
    • Tsai-Ching Chen
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    CHUCK
    • Publication number 20080100005
    • Publication date May 1, 2008
    • Tsai-Ching Chen
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    Toolbox
    • Publication number 20070272572
    • Publication date Nov 29, 2007
    • Tsai-Ching Chen
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    Toolbox
    • Publication number 20060207903
    • Publication date Sep 21, 2006
    • Tsai-Ching Chen
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    Toolbox
    • Publication number 20060016706
    • Publication date Jan 26, 2006
    • Tsai-Ching Chen
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    Chuck apparatus
    • Publication number 20040232631
    • Publication date Nov 25, 2004
    • Tsai-Ching Chen
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Toolbox
    • Publication number 20040188279
    • Publication date Sep 30, 2004
    • Tsai-Ching Chen
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    Chuck device
    • Publication number 20040188959
    • Publication date Sep 30, 2004
    • Tsai-Ching Chen
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Connection of tool with tool bit
    • Publication number 20040104545
    • Publication date Jun 3, 2004
    • Tsai-Ching Chen
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Chuck device for miniature tool bits
    • Publication number 20040026878
    • Publication date Feb 12, 2004
    • Tsai-Ching Chen
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    Self-opening tool box
    • Publication number 20030226779
    • Publication date Dec 11, 2003
    • Tsai-Ching Chen
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    CHUCK DEVICE FOR MINIATURE TOOL BITS
    • Publication number 20030178794
    • Publication date Sep 25, 2003
    • Tsai-Ching Chen
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    Tool bit holding device with an improved retaining effect
    • Publication number 20030140744
    • Publication date Jul 31, 2003
    • Tsai-Ching Chen
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS