TREA

Devices for reversing the movement of the rod or cable at the surface

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Industry

  • CPC
  • E21B1/04
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Parent Industries

EFIXED CONSTRUCTIONS E21Mining E21BEARTH DRILLING E21B1/00Percussion drilling

Current Industry

E21B1/04Devices for reversing the movement of the rod or cable at the surface
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Adapters for drilled, uncompleted wells
    • Patent number 11,913,313
    • Issue date Feb 27, 2024
    • BESTWAY OILFIELD, INC.
    • Mark D. Albert
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Automatic reversing mechanism for a rock drill
    • Patent number 11,415,186
    • Issue date Aug 16, 2022
    • Kevin Hollander
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Device and method for generating percussive pulses or vibrations fo...
    • Patent number 10,730,075
    • Issue date Aug 4, 2020
    • Eurodrill GmbH
    • Markus Merzhaeuser
    • B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
  • Information Patent Grant

    Ram boring device
    • Patent number 9,938,769
    • Issue date Apr 10, 2018
    • TRACTO-TECHNIK GmbH & Co. KG
    • Franz-Josef Püttmann
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    2218543
    • Patent number 2,218,543
    • Issue date Oct 22, 1940
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    2179649
    • Patent number 2,179,649
    • Issue date Nov 14, 1939
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    2125861
    • Patent number 2,125,861
    • Issue date Aug 2, 1938
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    1982615
    • Patent number 1,982,615
    • Issue date Nov 27, 1934
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    1890135
    • Patent number 1,890,135
    • Issue date Dec 6, 1932
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    1867016
    • Patent number 1,867,016
    • Issue date Jul 12, 1932
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    1840066
    • Patent number 1,840,066
    • Issue date Jan 5, 1932
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    1834438
    • Patent number 1,834,438
    • Issue date Dec 1, 1931
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    1825096
    • Patent number 1,825,096
    • Issue date Sep 29, 1931
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    1808010
    • Patent number 1,808,010
    • Issue date Jun 2, 1931
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    1778131
    • Patent number 1,778,131
    • Issue date Oct 14, 1930
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    1727890
    • Patent number 1,727,890
    • Issue date Sep 10, 1929
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    1720056
    • Patent number 1,720,056
    • Issue date Jul 9, 1929
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    1645040
    • Patent number 1,645,040
    • Issue date Oct 11, 1927
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    1564367
    • Patent number 1,564,367
    • Issue date Dec 8, 1925
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    1560870
    • Patent number 1,560,870
    • Issue date Nov 10, 1925
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    1491227
    • Patent number 1,491,227
    • Issue date Apr 22, 1924
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    1367426
    • Patent number 1,367,426
    • Issue date Feb 1, 1921
    • E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents