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Hsien-Chung Tuan-Mu

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  • Taichung, TW
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Patents Grantslast 30 patents

  • Information Patent Grant

    Tool locking mechanism
    • Patent number 9,975,225
    • Issue date May 22, 2018
    • Apex Brands, Inc.
    • Paul Steinweg
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Ratchetable open-ended wrench
    • Patent number 8,978,524
    • Issue date Mar 17, 2015
    • Apex Took (HK) Limited Taiwan Branch
    • Hsien-Chung Tuan-Mu
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Tool locking mechanism
    • Patent number 8,813,612
    • Issue date Aug 26, 2014
    • Apex Brands, Inc.
    • Paul Steinweg
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Ratchetable open-ended wrench
    • Patent number 8,631,725
    • Issue date Jan 21, 2014
    • Apex Tool (HK) Limited Taiwan Branch
    • Hsien-Chung Tuan-Mu
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Tool locking mechanism
    • Patent number 8,375,831
    • Issue date Feb 19, 2013
    • Easco Hand Tools, Inc.
    • Paul Steinweg
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Ratchetable open-ended wrench
    • Patent number 8,347,764
    • Issue date Jan 8, 2013
    • Apex Tool (HK) Limited Taiwan Branch
    • Hsien-Chung Tuan-Mu
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Spanner with prevention of disengagement of fasteners
    • Patent number 7,673,542
    • Issue date Mar 9, 2010
    • Easco Hand Tools, Inc.
    • David Ling
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Spanner with prevention of disengagement of fasteners
    • Patent number 7,340,983
    • Issue date Mar 11, 2008
    • Easco Hand Tools, Inc.
    • David Ling
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Reversible ratcheting wrench
    • Patent number D559054
    • Issue date Jan 8, 2008
    • Lea Way Hand Tool Corporation
    • Hsien Chung Tuan Mu
    • D08 - Tools and hardware
  • Information Patent Grant

    Gear of a wrench
    • Patent number D558006
    • Issue date Dec 25, 2007
    • Lea Way Hand Tool Corporation
    • Hsien Chung Tuan Mu
    • D08 - Tools and hardware
  • Information Patent Grant

    Joint wrench
    • Patent number D555995
    • Issue date Nov 27, 2007
    • Lea Way Hand Tool Corporation
    • Hsien Chung Tuan Mu
    • D08 - Tools and hardware
  • Information Patent Grant

    Gear of a wrench
    • Patent number D551924
    • Issue date Oct 2, 2007
    • Lea Way Hand Tool Corporation
    • Hsien Chung Tuan Mu
    • D08 - Tools and hardware
  • Information Patent Grant

    Two-way wrench
    • Patent number D551042
    • Issue date Sep 18, 2007
    • Lea Way Hand Tool Corporation
    • Hsien Chung Tuan Mu
    • D08 - Tools and hardware
  • Information Patent Grant

    Reversible ratcheting tool
    • Patent number 7,231,851
    • Issue date Jun 19, 2007
    • Easco Hand Tools, Inc.
    • Hsien-Chung Tuan Mu
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Display unit for storing tool assembly
    • Patent number 7,210,578
    • Issue date May 1, 2007
    • Lea Way Hand Tool Corporation
    • Hsien-Chung Tuan-Mu
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Ratcheting tool driver
    • Patent number 7,137,320
    • Issue date Nov 21, 2006
    • Easco Hand Tools, Inc.
    • Hsien-Chung Tuan Mu
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Process for making ratchet wheels
    • Patent number 7,036,227
    • Issue date May 2, 2006
    • David Ling
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    Retractable open end wrench
    • Patent number 7,028,590
    • Issue date Apr 18, 2006
    • Easco Hand Tools, Inc.
    • Hsien-Chung Tuan Mu
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Single-direction operation type ratchet wrench structure
    • Patent number 6,907,803
    • Issue date Jun 21, 2005
    • Easco Hand Tools, Inc.
    • Hsien-Chung Tuan-Mu
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Reversible ratcheting tool
    • Patent number 6,868,759
    • Issue date Mar 22, 2005
    • Easco Hand Tools Inc.
    • Hsien-Chung Tuan-Mu
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Process for making ratchet wheels
    • Patent number 6,701,768
    • Issue date Mar 9, 2004
    • Hand Tool Design Corporation
    • David Ling
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Reversible ratchet wrench with high torsion
    • Patent number 6,629,477
    • Issue date Oct 7, 2003
    • Hand Tool Design Corporation
    • David Ling
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Reversible ratcheting tool with improved gear wheel/pawl engagement
    • Patent number 6,230,591
    • Issue date May 15, 2001
    • Hand Tool Design Corporation
    • David Ling
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Ratcheting tool with improved gear wheel/pawl engagement
    • Patent number 6,134,990
    • Issue date Oct 24, 2000
    • Hand Tool Design Corporation
    • David Ling
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS

Patents Applicationslast 30 patents

  • Information Patent Application

    TOOL LOCKING MECHANISM
    • Publication number 20140360321
    • Publication date Dec 11, 2014
    • Paul Steinweg
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    TOOL LOCKING MECHANISM
    • Publication number 20130228985
    • Publication date Sep 5, 2013
    • EASCO HAND TOOLS, INC.
    • Paul Steinweg
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    RATCHETABLE OPEN-ENDED WRENCH
    • Publication number 20130118321
    • Publication date May 16, 2013
    • Apex Tool (HK) Limited Taiwan Branch
    • Hsien-Chung Tuan-Mu
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    RATCHETABLE OPEN-ENDED WRENCH
    • Publication number 20090301271
    • Publication date Dec 10, 2009
    • DANAHER TOOL LIMITED, TAIWAN BRANCH
    • Hsien-Chung Tuan-Mu
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    RATCHETABLE OPEN-ENDED WRENCH
    • Publication number 20090272236
    • Publication date Nov 5, 2009
    • Hsien-Chung Tuan Mu
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    TOOL LOCKING MECHANISM
    • Publication number 20090107303
    • Publication date Apr 30, 2009
    • Paul Steinweg
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    Spanner With Prevention of Disengagement of Fasteners
    • Publication number 20080148907
    • Publication date Jun 26, 2008
    • EASCO HAND TOOLS, INC.
    • David Ling
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Reversible ratcheting tool
    • Publication number 20070277652
    • Publication date Dec 6, 2007
    • Hsien-Chung Tuan-Mu
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    Ratchet wrench with clamping and blocking functions
    • Publication number 20070113712
    • Publication date May 24, 2007
    • Hsien-Chung Tuan-Mu
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    Ratchet wrench with a quick-rotated element which has a blocking fu...
    • Publication number 20070113711
    • Publication date May 24, 2007
    • Hsien-Chung Tuan-Mu
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    RATCHET WRENCH AND DISPLAY RACK THEREOF
    • Publication number 20070102382
    • Publication date May 10, 2007
    • Hsien-Chung Tuan-Mu
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Application

    Reversible ratchet wrench with high torsion
    • Publication number 20060230883
    • Publication date Oct 19, 2006
    • David Ling
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    Telescopic tool support
    • Publication number 20060186069
    • Publication date Aug 24, 2006
    • LEA WAY HAND TOOL CORPORATION
    • Hsien-Chung Tuan-Mu
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    Tool display rack having holding and rotation test functions
    • Publication number 20060091090
    • Publication date May 4, 2006
    • Hsien-Chung Tuan-Mu
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Application

    Tool display rack having holding and rotation test functions
    • Publication number 20060091091
    • Publication date May 4, 2006
    • Hsien-Chung Tuan-Mu
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Application

    Display unit for storing tool assembly
    • Publication number 20060070902
    • Publication date Apr 6, 2006
    • LEA WAY HAND TOOL CORPORATION
    • Hsien-Chung Tuan-Mu
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    Process for making ratchet wheels
    • Publication number 20050173090
    • Publication date Aug 11, 2005
    • David Ling
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Application

    Reversible ratcheting tool
    • Publication number 20050145076
    • Publication date Jul 7, 2005
    • Easco Hand Tools, Inc.
    • Hsien-Chung Tuan-Mu
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    Retractable open end wrench
    • Publication number 20050016335
    • Publication date Jan 27, 2005
    • Hsien-Chung Tuan Mu
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    Spanner with prevention of disengagement of fasteners
    • Publication number 20040231469
    • Publication date Nov 25, 2004
    • David Ling
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Ratcheting tool driver
    • Publication number 20040154439
    • Publication date Aug 12, 2004
    • Hsien-Chung Tuan-Mu
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    Spanner with prevention of disengagement of fasteners
    • Publication number 20040079205
    • Publication date Apr 29, 2004
    • David Ling
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Reversible ratcheting tool
    • Publication number 20040035257
    • Publication date Feb 26, 2004
    • Hsien-Chung Tuan-Mu
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    Spanner with prevention of disengagement of fasteners
    • Publication number 20030121373
    • Publication date Jul 3, 2003
    • David Ling
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Single-direction operation type ratchet wrench structure
    • Publication number 20030075024
    • Publication date Apr 24, 2003
    • Hsien-Chung Tuan-Mu
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    Process for making ratchet wheels
    • Publication number 20020148329
    • Publication date Oct 17, 2002
    • David Ling
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Application

    Reversable ratchet wrench with high torsion
    • Publication number 20020088312
    • Publication date Jul 11, 2002
    • David Ling
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    Spanner with prevention of disengagement of fasteners
    • Publication number 20010054334
    • Publication date Dec 27, 2001
    • David Ling
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...