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by both slitting and breaking-down

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Industry

  • CPC
  • E21C27/10
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Parent Industries

EFIXED CONSTRUCTIONS E21Mining E21CMINING OR QUARRYING E21C27/00Machines which completely free the mineral from the seam

Current Industry

E21C27/10by both slitting and breaking-down
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Spray system for mining machine
    • Patent number 10,227,871
    • Issue date Mar 12, 2019
    • Joy Global Underground Mining LLC
    • Ryan Dickey
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Longwall optimization control
    • Patent number 10,208,592
    • Issue date Feb 19, 2019
    • Joy Global Underground Mining LLC
    • Gareth Rimmington
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Imaging-based interface sensor and control device for mining machines
    • Patent number 9,650,893
    • Issue date May 16, 2017
    • Joy MM Delaware, Inc.
    • David Kevin Herdle
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Material guide assembly
    • Patent number 8,899,693
    • Issue date Dec 2, 2014
    • Joy MM Delaware, Inc.
    • Michael L. O'Neill
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Apparatus for extracting minerals through a borehole
    • Patent number 4,278,137
    • Issue date Jul 14, 1981
    • Stamicarbon, B.V.
    • Wouter Van Eek
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3856357
    • Patent number 3,856,357
    • Issue date Dec 24, 1974
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3459453
    • Patent number 3,459,453
    • Issue date Aug 5, 1969
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3360299
    • Patent number 3,360,299
    • Issue date Dec 26, 1967
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3350137
    • Patent number 3,350,137
    • Issue date Oct 31, 1967
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3339982
    • Patent number 3,339,982
    • Issue date Sep 5, 1967
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3294450
    • Patent number 3,294,450
    • Issue date Dec 27, 1966
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3285664
    • Patent number 3,285,664
    • Issue date Nov 15, 1966
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3206252
    • Patent number 3,206,252
    • Issue date Sep 14, 1965
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3052455
    • Patent number 3,052,455
    • Issue date Sep 4, 1962
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3006624
    • Patent number 3,006,624
    • Issue date Oct 31, 1961
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    2792205
    • Patent number 2,792,205
    • Issue date May 14, 1957
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    2742272
    • Patent number 2,742,272
    • Issue date Apr 17, 1956
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    2495840
    • Patent number 2,495,840
    • Issue date Jan 31, 1950
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    1687949
    • Patent number 1,687,949
    • Issue date Oct 16, 1928
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    1680386
    • Patent number 1,680,386
    • Issue date Aug 14, 1928
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    1639741
    • Patent number 1,639,741
    • Issue date Aug 23, 1927
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    1604701
    • Patent number 1,604,701
    • Issue date Oct 26, 1926
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    1603621
    • Patent number 1,603,621
    • Issue date Oct 19, 1926
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    1493701
    • Patent number 1,493,701
    • Issue date May 13, 1924
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    1321427
    • Patent number 1,321,427
    • Issue date Nov 11, 1919
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    1290591
    • Patent number 1,290,591
    • Issue date Jan 7, 1919
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    1276248
    • Patent number 1,276,248
    • Issue date Aug 20, 1918
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    1271199
    • Patent number 1,271,199
    • Issue date Jul 2, 1918
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    1232696
    • Patent number 1,232,696
    • Issue date Jul 10, 1917
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    1226412
    • Patent number 1,226,412
    • Issue date May 15, 1917
    • E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents