Trepanning

Patents Grantslast 30 patents

  • Information Patent Grant

    Cylindrical drill body for a hole saw

    • Patent number 9,662,720
    • Issue date May 30, 2017
    • Robert Bosch GmbH
    • Martin Richter
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Drilling tool

    • Patent number 8,794,881
    • Issue date Aug 5, 2014
    • DreBo Werkzeug Fabrik GmbH
    • Alexander Zürn
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Core drill

    • Patent number 8,100,612
    • Issue date Jan 24, 2012
    • Kabushiki Kaisha Miyanaga
    • Masaaki Miyanaga
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Method of treating a hole saw to provide efficient slug removal

    • Patent number 7,818,867
    • Issue date Oct 26, 2010
    • Richard E. Capstran
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Hole saw having efficient slug removal

    • Patent number 7,658,576
    • Issue date Feb 9, 2010
    • Mirko Buzdum
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Hole cutter

    • Patent number 7,632,049
    • Issue date Dec 15, 2009
    • Omi Kogyo Co., Ltd.
    • Shohei Omi
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Pilot drill with coupon retainer and hot tapping machine using the...

    • Patent number 7,357,605
    • Issue date Apr 15, 2008
    • Donald R. Weiler
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Hole saw and cutter

    • Patent number 7,264,428
    • Issue date Sep 4, 2007
    • Irwin Industrial Tool Company
    • Leonard R. Cossette
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Quick release arbor

    • Patent number 7,175,372
    • Issue date Feb 13, 2007
    • John D. Davis
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Hole saw slug removal device

    • Patent number 7,160,064
    • Issue date Jan 9, 2007
    • Abelardo Jasso
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Plug ejecting hole saw with twist-locking interchangeable saw cups

    • Patent number 6,409,436
    • Issue date Jun 25, 2002
    • Roger J. Despres
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Tool and method for cutting holes in film

    • Patent number 6,357,972
    • Issue date Mar 19, 2002
    • DaimlerChrysler Corporation
    • Jeffrey D Zendler
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Plug ejecting hole saw with twist-locking interchangeable saw cups

    • Patent number 6,341,925
    • Issue date Jan 29, 2002
    • Roger J. Despres
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Self-piercing gutter outlet

    • Patent number 6,125,593
    • Issue date Oct 3, 2000
    • Darwin Randolph
    • E04 - BUILDING
  • Information Patent Grant

    Apparatus for machining round holes

    • Patent number 6,123,490
    • Issue date Sep 26, 2000
    • Halliburton Energy Services, Inc.
    • Jasper Underhill
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Holesaw

    • Patent number 6,120,221
    • Issue date Sep 19, 2000
    • Sandvik Aktiebolag
    • Sture Alm
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Wood corer device

    • Patent number 6,015,248
    • Issue date Jan 18, 2000
    • Commonwealth Scientific and Industrial Research Organisation
    • Terrence Charles Elliott
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
  • Information Patent Grant

    Hole cutter

    • Patent number 5,988,956
    • Issue date Nov 23, 1999
    • Omi Kogyo Co., Ltd.
    • Shohei Omi
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Printed wiring assembly rework tool

    • Patent number 5,979,042
    • Issue date Nov 9, 1999
    • Simmonds Precision Products, Inc.
    • Alan Moss Duke
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Hollow crown drill

    • Patent number 5,980,168
    • Issue date Nov 9, 1999
    • Hilti Aktiengesellschaft
    • Nekhemian Tsypin
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Adaptor for rotating tools

    • Patent number 5,967,709
    • Issue date Oct 19, 1999
    • Jorgen Thuesen
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Annular hole cutter

    • Patent number 5,944,460
    • Issue date Aug 31, 1999
    • Hougen Manufacturing, Inc.
    • Jeffrey Steven Gill
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Hole saw with modified pilot and plug biasing

    • Patent number 5,934,845
    • Issue date Aug 10, 1999
    • Henry E. Frey
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Large hole cutter

    • Patent number 5,895,178
    • Issue date Apr 20, 1999
    • Ralph C. Young
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Arbor for engaging a saw

    • Patent number 5,868,532
    • Issue date Feb 9, 1999
    • American Saw & Mfg. Company
    • Frank Spenser
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Plug cutter with radial relief

    • Patent number 5,810,524
    • Issue date Sep 22, 1998
    • Woodworker's Supply, Inc.
    • John Wirth
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Hole saw

    • Patent number 5,803,677
    • Issue date Sep 8, 1998
    • Credo Tool Company
    • David T. Brutscher
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Annular tool for cutting holes in metal

    • Patent number 5,791,837
    • Issue date Aug 11, 1998
    • Samuel Johnson
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Device and method for removing fastening implements from bone

    • Patent number 5,697,935
    • Issue date Dec 16, 1997
    • Medex Marketing, Inc.
    • Ronald D. Moran
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Drill bit tube

    • Patent number 5,676,501
    • Issue date Oct 14, 1997
    • Hawera Probst GmbH
    • Wolfgang Peetz
    • B28 - WORKING CEMENT, CLAY, OR STONE

Patents Applicationslast 30 patents

  • Information Patent Application

    Drilling Tool

    • Publication number 20120148359
    • Publication date Jun 14, 2012
    • Alexander Zürn
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Core Drill

    • Publication number 20080298915
    • Publication date Dec 4, 2008
    • Kabushiki Kaisha Miyanaga
    • Masaaki Miyanaga
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Hole saw slug removal device

    • Publication number 20070110527
    • Publication date May 17, 2007
    • Abelardo Jasso
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Hole cutter

    • Publication number 20070071564
    • Publication date Mar 29, 2007
    • Omi Kogyo Co., Ltd.
    • Shohei Omi
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Hole saw and cutter

    • Publication number 20060263156
    • Publication date Nov 23, 2006
    • Leonard R. Cossette
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Pilot drill with coupon retainer and hot tapping machine using the...

    • Publication number 20060188349
    • Publication date Aug 24, 2006
    • Donald R. Weiler
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Quick release arbor

    • Publication number 20060140733
    • Publication date Jun 29, 2006
    • John D. Davis
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Hole saw slug removal device

    • Publication number 20050220547
    • Publication date Oct 6, 2005
    • Abelardo Jasso
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Plug ejecting hole saw with twist-locking interchangeable saw cups

    • Publication number 20020037201
    • Publication date Mar 28, 2002
    • Roger J. Despres
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC