TREA

Armoured conveyors shifting devices

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Industry

  • CPC
  • E21F13/086
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Parent Industries

EFIXED CONSTRUCTIONS E21Mining E21FSAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS E21F13/00Transport specially adapted to underground conditions

Current Industry

E21F13/086Armoured conveyors shifting devices
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Conveyor system for mining equipment
    • Patent number 10,550,694
    • Issue date Feb 4, 2020
    • Joy Global Underground Mining LLC
    • Charles W. Watson
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Hydraulic ram
    • Patent number 4,457,212
    • Issue date Jul 3, 1984
    • Gewerkschaft Eisenhutte Westfalia
    • Eberhart Unger
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Longwall mineral mining installation
    • Patent number 4,389,072
    • Issue date Jun 21, 1983
    • Gewerkschaft Eisenhutte Westfalia
    • Horst Linke
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Mining apparatus
    • Patent number 4,330,154
    • Issue date May 18, 1982
    • Dowty Mining Equipment Limited
    • Robert G. Harris
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Thrust device using hydraulic jacks
    • Patent number 4,248,136
    • Issue date Feb 3, 1981
    • Charbonnages de France
    • Guy Blanpain
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Tensioning a longwall mineral mining installation
    • Patent number 4,169,689
    • Issue date Oct 2, 1979
    • Gewerkschaft Eisenhutte Westfalia
    • Walter Weirich
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Shifting device connected with a longwall conveyor for a progressiv...
    • Patent number 4,147,459
    • Issue date Apr 3, 1979
    • Thyssen Industrie AG
    • Manfred Koppers
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Control systems and arrangements for mineral mining installations
    • Patent number 4,112,680
    • Issue date Sep 12, 1978
    • Gewerkschaft Eisenhutte Westfalia
    • Hans Theodor Grisebach
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Mine equipment
    • Patent number 4,096,753
    • Issue date Jun 27, 1978
    • Coal Industry (Patents) Limited
    • Rex Mullins
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Method of and apparatus for controlling advance of underground armo...
    • Patent number 4,093,309
    • Issue date Jun 6, 1978
    • Coal Industry (Patents) Ltd.
    • Rex Mullins
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Control systems and arrangements for use in mineral mining installa...
    • Patent number 4,046,058
    • Issue date Sep 6, 1977
    • Gewerkschaft Eisenhutte Westfalia
    • Hans Theodor Grisebach
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Control systems and arrangements for use in mineral mining installa...
    • Patent number 3,965,797
    • Issue date Jun 29, 1976
    • Gewerkschaft Eisenhutte Westfalia
    • Hans Theodor Grisebach
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Mine roof support
    • Patent number 3,952,525
    • Issue date Apr 27, 1976
    • Dowty Mining Equipment Limited
    • John Hirst Walker
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3857246
    • Patent number 3,857,246
    • Issue date Dec 31, 1974
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3559496
    • Patent number 3,559,496
    • Issue date Feb 2, 1971
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3421795
    • Patent number 3,421,795
    • Issue date Jan 14, 1969
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3411012
    • Patent number 3,411,012
    • Issue date Nov 12, 1968
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    3405608
    • Patent number 3,405,608
    • Issue date Oct 15, 1968
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3381586
    • Patent number 3,381,586
    • Issue date May 7, 1968
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3381590
    • Patent number 3,381,590
    • Issue date May 7, 1968
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3378303
    • Patent number 3,378,303
    • Issue date Apr 16, 1968
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3375668
    • Patent number 3,375,668
    • Issue date Apr 2, 1968
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3357742
    • Patent number 3,357,742
    • Issue date Dec 12, 1967
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3355213
    • Patent number 3,355,213
    • Issue date Nov 28, 1967
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3276819
    • Patent number 3,276,819
    • Issue date Oct 4, 1966
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3258108
    • Patent number 3,258,108
    • Issue date Jun 28, 1966
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3241654
    • Patent number 3,241,654
    • Issue date Mar 22, 1966
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3217608
    • Patent number 3,217,608
    • Issue date Nov 16, 1965
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3197966
    • Patent number 3,197,966
    • Issue date Aug 3, 1965
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3192722
    • Patent number 3,192,722
    • Issue date Jul 6, 1965
    • E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents