TREA

Screw-and-nut feed mechanisms

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Industry

  • CPC
  • E21B19/081
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Parent Industries

EFIXED CONSTRUCTIONS E21Mining E21BEARTH DRILLING E21B19/00Handling rods, casings, tubes or the like outside the borehole

Current Industry

E21B19/081Screw-and-nut feed mechanisms
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Drilling device for coal mining
    • Patent number 12,018,534
    • Issue date Jun 25, 2024
    • Shandong University of Science and Technology
    • Weiyao Guo
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Automated pipe tripping apparatus and methods
    • Patent number 11,499,384
    • Issue date Nov 15, 2022
    • Ensco Services Limited
    • Rick Pilgrim
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Automated pipe tripping apparatus and methods
    • Patent number 10,975,639
    • Issue date Apr 13, 2021
    • Ensco Services Limited
    • Rick Pilgrim
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Jointed pipe injector
    • Patent number 10,787,870
    • Issue date Sep 29, 2020
    • CONSOLIDATED RIG WORKS L.P.
    • Caleb E. M. Fulks
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Automated pipe tripping apparatus and methods
    • Patent number 10,214,977
    • Issue date Feb 26, 2019
    • Ensco Services Limited
    • Rick Pilgrim
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Modular compaction boring machine system
    • Patent number 9,850,715
    • Issue date Dec 26, 2017
    • The Charles Machine Works, Inc.
    • Jerry W. Beckwith
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Feed mechanism for drilling systems
    • Patent number 8,371,397
    • Issue date Feb 12, 2013
    • Longyear TM, Inc.
    • Neil James Roberts
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Grant

    Movable rotary well drilling rig
    • Patent number 8,336,614
    • Issue date Dec 25, 2012
    • Walter Bagassi
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Worm and collar drive drill rig
    • Patent number 7,699,125
    • Issue date Apr 20, 2010
    • Victory Rig Equipment Corporation
    • Robert Folk
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Right angle driving tool
    • Patent number 7,484,438
    • Issue date Feb 3, 2009
    • Robert Murphy
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Auger bit
    • Patent number 6,955,234
    • Issue date Oct 18, 2005
    • BellSouth Intellectual Property Corporation
    • Donald Mathews
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Boring machine and auger bit
    • Patent number 6,675,916
    • Issue date Jan 13, 2004
    • Donald Mathews
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Tower
    • Patent number 6,336,622
    • Issue date Jan 8, 2002
    • Engineering & Drilling Machinery AS
    • Bjørn Eilertsen
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Compact boring apparatus for making earth bores
    • Patent number 6,202,758
    • Issue date Mar 20, 2001
    • Terra AG fuer Tiefbautechnik
    • Dietmar Jenne
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Roof bolt drill support
    • Patent number 4,932,481
    • Issue date Jun 12, 1990
    • Joy Technologies Inc.
    • Edward Wechner
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Fluid balancing system for tank vehicle
    • Patent number 4,313,566
    • Issue date Feb 2, 1982
    • Richard F. Klein
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Side hole drilling in boreholes
    • Patent number 4,226,288
    • Issue date Oct 7, 1980
    • California Institute of Technology
    • Earl R. Collins
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Ring drilling rig
    • Patent number 4,067,398
    • Issue date Jan 10, 1978
    • Atlas Copco Aktiebolag
    • Sven Mauritz Franzen
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Drilling machine
    • Patent number 4,029,160
    • Issue date Jun 14, 1977
    • Stabilator AB
    • Gustav Martin Leidvik
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Rock drill feed mechanism
    • Patent number 3,980,144
    • Issue date Sep 14, 1976
    • Gardner-Denver Company
    • Henry H. Roos
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3880244
    • Patent number 3,880,244
    • Issue date Apr 29, 1975
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3807510
    • Patent number 3,807,510
    • Issue date Apr 30, 1974
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3792619
    • Patent number 3,792,619
    • Issue date Feb 19, 1974
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3692124
    • Patent number 3,692,124
    • Issue date Sep 19, 1972
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3568779
    • Patent number 3,568,779
    • Issue date Mar 9, 1971
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3565185
    • Patent number 3,565,185
    • Issue date Feb 23, 1971
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3273658
    • Patent number 3,273,658
    • Issue date Sep 20, 1966
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3247913
    • Patent number 3,247,913
    • Issue date Apr 26, 1966
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3126754
    • Patent number 3,126,754
    • Issue date Mar 31, 1964
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3124204
    • Patent number 3,124,204
    • Issue date Mar 10, 1964
    • E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents