the rotation being intermittent, e.g.obtained by ratchet device

Industry

  • CPC
  • E21B6/06
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Patents Grantslast 30 patents

  • Information Patent Grant

    Bottom-hole impact-rotation stepping combined unloading rock-breaki...

    • Patent number 11,976,554
    • Issue date May 7, 2024
    • CHINA UNIVERSITY OF PETROLEUM (EAST CHINA)
    • Yongwang Liu
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Non-destructive testing device customization

    • Patent number 11,946,371
    • Issue date Apr 2, 2024
    • Baker Hughes Oilfield Operations LLC
    • Kevin A. Coombs
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Digitally controlled agitation switch smart vibration assembly for...

    • Patent number 11,441,376
    • Issue date Sep 13, 2022
    • Stuart McLaughlin
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Percussion device

    • Patent number 10,883,312
    • Issue date Jan 5, 2021
    • Jaron Lyell Mcmillan
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Rotationally selectable lock of shaft to housing

    • Patent number 10,513,889
    • Issue date Dec 24, 2019
    • Halliburton Energy Services, Inc.
    • Geoffrey A. Samuel
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Jet hammer

    • Patent number 9,038,744
    • Issue date May 26, 2015
    • COIL TUBING TECHNOLOGY, INC.
    • Jerry L. Swinford
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Method and device for directional down-hole drilling

    • Patent number 7,159,674
    • Issue date Jan 9, 2007
    • Wassara AB
    • Fredrik Egerstrom
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Downhole tool

    • Patent number 7,073,610
    • Issue date Jul 11, 2006
    • Rotech Holdings Limited
    • Hector Fillipus Alexander Van Drentham Susman
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Using a rotating inner member to drive a tool in a hollow outer member

    • Patent number 7,025,152
    • Issue date Apr 11, 2006
    • The Charles Machine Works, Inc.
    • Richard Felix Sharp
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Bore bit for very hard material

    • Patent number 6,942,046
    • Issue date Sep 13, 2005
    • Compagnie du Sol
    • Stéphane Binon
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Using a rotating inner member to drive a tool in a hollow outer member

    • Patent number 6,739,413
    • Issue date May 25, 2004
    • The Charles Machine Works, Inc.
    • Richard Felix Sharp
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Nonrotary piston for jackhammer and removable splined nut therefor

    • Patent number 5,350,025
    • Issue date Sep 27, 1994
    • Ingersoll-Rand Company
    • Paul B. Campbell
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Lubricant remover for a wrap spring clutch

    • Patent number 5,325,950
    • Issue date Jul 5, 1994
    • Ingersoll-Rand Company
    • Robert R. Kimberlin
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Nonrotary piston for jackhammer and removable splined nut therefor

    • Patent number 5,305,835
    • Issue date Apr 26, 1994
    • Ingersoll-Rand Company
    • Paul B. Campbell
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Wrap spring clutch for percussive apparatus

    • Patent number 5,191,946
    • Issue date Mar 9, 1993
    • Ingersoll-Rand Company
    • Leland H. Lyon
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Wrap spring clutch for percussive apparatus

    • Patent number 5,139,093
    • Issue date Aug 18, 1992
    • Ingersoll-Rand Company
    • Leland H. Lyon
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Hammer for use in a bore hole and apparatus for use therewith

    • Patent number 4,705,118
    • Issue date Nov 10, 1987
    • Melvyn S. J. Ennis
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Impactor drill tool

    • Patent number 4,359,109
    • Issue date Nov 16, 1982
    • Hughes Tool Company
    • Hung-Viet Truong-Cao
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Rotary tool drive system for a jack hammer

    • Patent number 4,319,646
    • Issue date Mar 16, 1982
    • Henri Emonet
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Double-piston rock drill

    • Patent number 4,036,309
    • Issue date Jul 19, 1977
    • Anatoly Mikhailovich Petreev
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    3926266

    • Patent number 3,926,266
    • Issue date Dec 16, 1975
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3867988

    • Patent number 3,867,988
    • Issue date Feb 25, 1975
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    3866692

    • Patent number 3,866,692
    • Issue date Feb 18, 1975
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3828617

    • Patent number 3,828,617
    • Issue date Aug 13, 1974
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3463246

    • Patent number 3,463,246
    • Issue date Aug 26, 1969
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    3404739

    • Patent number 3,404,739
    • Issue date Oct 8, 1968
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    3392957

    • Patent number 3,392,957
    • Issue date Jul 16, 1968
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3385379

    • Patent number 3,385,379
    • Issue date May 28, 1968
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3336986

    • Patent number 3,336,986
    • Issue date Aug 22, 1967
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3323601

    • Patent number 3,323,601
    • Issue date Jun 6, 1967
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES

Patents Applicationslast 30 patents