Drilling small holes

Patents Grantslast 30 patents

  • Information Patent Grant

    Circuit board production method and circuit board production data

    • Patent number 7,097,394
    • Issue date Aug 29, 2006
    • Matsushita Electric Industrial Co., Ltd.
    • Toshihiro Nishii
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Drill bit and step feeding method

    • Patent number 5,888,036
    • Issue date Mar 30, 1999
    • Hitachi Seiko, Ltd.
    • Kunio Arai
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Single flute drill for drilling holes in printed circuit boards and...

    • Patent number 5,584,617
    • Issue date Dec 17, 1996
    • International Business Machines Corporation
    • David E. Houser
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Method for fabricating a multi-layer printed circuit board

    • Patent number 5,377,404
    • Issue date Jan 3, 1995
    • N. Edward Berg
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Root-strength drill bit and method of making

    • Patent number 5,353,552
    • Issue date Oct 11, 1994
    • Megatool, Inc.
    • David T. Hemmings
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Arrangement for driving a rotary tool

    • Patent number 5,193,949
    • Issue date Mar 16, 1993
    • William F. Marantette
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Root-strength drill bit and method of making

    • Patent number 5,184,926
    • Issue date Feb 9, 1993
    • Megatool, Inc.
    • David T. Hemmings
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Automated side-drilled device and method for catheters

    • Patent number 5,141,368
    • Issue date Aug 25, 1992
    • Worldwide Medical Plastics Inc.
    • Gary C. Bullard
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Method of and apparatus for forming a slot in a workpiece

    • Patent number 5,023,422
    • Issue date Jun 11, 1991
    • Rolls-Royce plc
    • Laurence J. Laughton
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Method of making drill back-up material for small bore drilling of...

    • Patent number 4,954,200
    • Issue date Sep 4, 1990
    • The General Electric Company
    • Carl E. Trewiler
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Method and solution for the prevention of smear in the manufacture...

    • Patent number 4,913,931
    • Issue date Apr 3, 1990
    • Jeffrey W. Frederickson
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Drill for aramid composites

    • Patent number 4,725,171
    • Issue date Feb 16, 1988
    • Robert P. DeTorre
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Multi-lip drill

    • Patent number 4,722,644
    • Issue date Feb 2, 1988
    • Hawera Prazisionswerkzeuge GmbH
    • Anton Scheuch
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Boring machine

    • Patent number 4,697,964
    • Issue date Oct 6, 1987
    • Hitachi, Ltd.
    • Yoichi Daiko
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Flexible microdrill

    • Patent number 4,536,108
    • Issue date Aug 20, 1985
    • Federal-Mogul Corporation
    • Robert W. Saxton
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Convertible machining center

    • Patent number 4,402,636
    • Issue date Sep 6, 1983
    • John A. Cupler
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Drill comprised of hard metal for drilling contact holes in circuit...

    • Patent number 4,231,692
    • Issue date Nov 4, 1980
    • Siemens Aktiengesellschaft
    • Bernhard Brabetz
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Method of producing holes free of accretions in circuit boards made...

    • Patent number 4,190,386
    • Issue date Feb 26, 1980
    • Siemens Aktiengesellschaft
    • Bernhard Brabetz
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Composite drill for drilling circuit boards

    • Patent number 4,135,847
    • Issue date Jan 23, 1979
    • Tulon, Inc.
    • David T. Hemmings
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Abrasive drill

    • Patent number 4,128,971
    • Issue date Dec 12, 1978
    • Glennel Corporation
    • Bruce W. Dunnington
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Metal tool

    • Patent number 3,945,807
    • Issue date Mar 23, 1976
    • Nihon Shinku Gijutsu Kabushiki Kaisha
    • Riichi Fukutome
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3815694

    • Patent number 3,815,694
    • Issue date Jun 11, 1974
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3790297

    • Patent number 3,790,297
    • Issue date Feb 5, 1974
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3778180

    • Patent number 3,778,180
    • Issue date Dec 11, 1973
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3696504

    • Patent number 3,696,504
    • Issue date Oct 10, 1972
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3688386

    • Patent number 3,688,386
    • Issue date Sep 5, 1972
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    3371558

    • Patent number 3,371,558
    • Issue date Mar 5, 1968
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3273425

    • Patent number 3,273,425
    • Issue date Sep 20, 1966
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3205587

    • Patent number 3,205,587
    • Issue date Sep 14, 1965
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    3167977

    • Patent number 3,167,977
    • Issue date Feb 2, 1965
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents