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David Ling

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  • Taichung, TW
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Patents Grantslast 30 patents

  • 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

    Tool rack assembly
    • Patent number 7,175,032
    • Issue date Feb 13, 2007
    • Easco Hand Tools, Inc.
    • David Ling
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • 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

    Tool rack assembly
    • Patent number 6,712,224
    • Issue date Mar 30, 2004
    • Hand Tool Design Corporation
    • David Ling
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • 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

    Toolbox with dual tool-receiving grooves and display in both sides...
    • Patent number 6,523,687
    • Issue date Feb 25, 2003
    • Hand Tool Design Corporation
    • David Ling
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Socket adaptor for ratchet
    • Patent number 6,257,096
    • Issue date Jul 10, 2001
    • 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
  • Information Patent Grant

    Tool display box
    • Patent number 6,126,004
    • Issue date Oct 3, 2000
    • Hand Tool Design Corporation
    • David Ling
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Tool display rack
    • Patent number 6,076,669
    • Issue date Jun 20, 2000
    • Hand Tool Design Corporation
    • David Ling
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Tool display pack with a security device
    • Patent number 5,988,381
    • Issue date Nov 23, 1999
    • Hand Tool Design Corporation
    • David Ling
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Display tool box
    • Patent number 5,899,329
    • Issue date May 4, 1999
    • Hand Tool Design Corporation
    • Bobby Hu
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...

Patents Applicationslast 30 patents

  • 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 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

    Tool rack assembly
    • Publication number 20050274683
    • Publication date Dec 15, 2005
    • Hand Tool Design Corporation
    • David Ling
    • 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

    Tool rack assembly
    • Publication number 20040256336
    • Publication date Dec 23, 2004
    • David Ling
    • 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

    Handle for case
    • Publication number 20040128793
    • Publication date Jul 8, 2004
    • David Ling
    • A45 - HAND OR TRAVELLING ARTICLES
  • 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

    Tool display board
    • Publication number 20030183591
    • Publication date Oct 2, 2003
    • David Ling
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • 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

    Tool rack assembly
    • Publication number 20030010733
    • Publication date Jan 16, 2003
    • David Ling
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • 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

    Toolbox with dual tool-receiving grooves and display in both sides...
    • Publication number 20020117413
    • Publication date Aug 29, 2002
    • David Ling
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • 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...