using rollers moving along radial cams in a cage structure at least partially surrounding the pipe

Patents Grantslast 30 patents

  • Information Patent Grant

    Power tong frame stiffner

    • Patent number 11,448,018
    • Issue date Sep 20, 2022
    • Eckel Manufacturing Co., Inc.
    • Dwayne Austin Weddle
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Auto-Adjustable bearing wrench

    • Patent number 8,555,750
    • Issue date Oct 15, 2013
    • Antonio Cami Riestra
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Contact tip installation tool for a welding device

    • Patent number 7,247,815
    • Issue date Jul 24, 2007
    • Robert Lajoie
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Wrench

    • Patent number 7,181,998
    • Issue date Feb 27, 2007
    • Nikken Kosakusho Works Ltd.
    • Masakazu Matsumoto
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Wrench

    • Patent number 7,036,400
    • Issue date May 2, 2006
    • Nikken Kosakusho Works Ltd.
    • Masakazu Matsumoto
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Wrench

    • Patent number 5,596,913
    • Issue date Jan 28, 1997
    • Daishowa Seiki Kabushiki Kaisha
    • Masayuki Matsubara
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Friction clutch wrench

    • Patent number 5,535,647
    • Issue date Jul 16, 1996
    • Three Star Enterprises, Inc.
    • Robert D. Donaldson
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Stud gripper socket

    • Patent number 5,235,878
    • Issue date Aug 17, 1993
    • Richard H. Young
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Bolt or stud mounting and extracting tool

    • Patent number 4,899,626
    • Issue date Feb 13, 1990
    • Kenneth Lymburner
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    3889557

    • Patent number 3,889,557
    • Issue date Jun 17, 1975
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    3698266

    • Patent number 3,698,266
    • Issue date Oct 17, 1972
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3181397

    • Patent number 3,181,397
    • Issue date May 4, 1965
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    2896488

    • Patent number 2,896,488
    • Issue date Jul 28, 1959
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    2613942

    • Patent number 2,613,942
    • Issue date Oct 14, 1952
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    2359823

    • Patent number 2,359,823
    • Issue date Oct 10, 1944
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    2027534

    • Patent number 2,027,534
    • Issue date Jan 14, 1936
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    1373617

    • Patent number 1,373,617
    • Issue date Apr 5, 1921
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS

Patents Applicationslast 30 patents

  • Information Patent Application

    POWER TONG FRAME STIFFNER

    • Publication number 20190136649
    • Publication date May 9, 2019
    • Eckel Manufacturing Co. Inc.
    • Dwayne Austin Weddle
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    GRIPPING TOOL

    • Publication number 20110233949
    • Publication date Sep 29, 2011
    • GILLET GROUP
    • Fabrice PETIT
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    AUTO-ADJUSTABLE BEARING WRENCH

    • Publication number 20110203420
    • Publication date Aug 25, 2011
    • Antonio Cami RIESTRA
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    Wrench

    • Publication number 20050199101
    • Publication date Sep 15, 2005
    • NIKKEN KOSAKUSHO WORKS LTD.
    • Masakazu Matsumoto
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    Contact tip installation tool for a welding device

    • Publication number 20050082268
    • Publication date Apr 21, 2005
    • Robert Lajoie
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Wrench

    • Publication number 20040007097
    • Publication date Jan 15, 2004
    • NIKKEN KOSAKUSHO WORKS LTD.
    • Masakazu Matsumoto
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS