TREA

Anchorings for conveyors

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Industry

  • CPC
  • E21F13/10
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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

E21F13/10Anchorings for conveyors
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Fixing bridge
    • Patent number 4,465,407
    • Issue date Aug 14, 1984
    • Gewerkschaft Eisenhutte Westfalia
    • Karl H. Plester
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Mineral mining installation
    • Patent number 4,449,859
    • Issue date May 22, 1984
    • Gewerkschaft Eisenhutte Westfalia
    • Gunter Terhorst
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Mineral mining installation
    • Patent number 4,402,634
    • Issue date Sep 6, 1983
    • Gewerkschaft Eisenhutte Westfalia
    • Gerhard Merten
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Apparatus for supporting a mine roof support assembly
    • Patent number 4,324,510
    • Issue date Apr 13, 1982
    • Gewerkschaft Eisenhutte Westfalia
    • Hans-Joachim Dreher
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Contour miner
    • Patent number 4,260,195
    • Issue date Apr 7, 1981
    • Daniel; John M.
    • Gwyn G. Hart
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Mineral mining installation
    • Patent number 4,227,833
    • Issue date Oct 14, 1980
    • Gewerkschaft Eisenhutte Westfalia
    • Karl-Heinz Plester
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Anchoring apparatus for a mining installation
    • Patent number 4,176,884
    • Issue date Dec 4, 1979
    • Gewerkschaft Eisenhutte Westfalia
    • Helmut Erwien
    • 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

    Arrangement for tensioning a gateway conveyor in a sloping gateway
    • Patent number 4,167,998
    • Issue date Sep 18, 1979
    • Vereinigte Osterreichische Eisen- und Stahlwerke - Alpine Montan Aktiengesell...
    • Alfred J. Zitz
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Anchoring apparatus for anchoring a mining installation
    • Patent number 4,094,157
    • Issue date Jun 13, 1978
    • Gewerkschaft Eisenhutte Westfalia
    • Werner Karsten
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3872677
    • Patent number 3,872,677
    • Issue date Mar 25, 1975
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3830544
    • Patent number 3,830,544
    • Issue date Aug 20, 1974
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3739587
    • Patent number 3,739,587
    • Issue date Jun 19, 1973
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3726097
    • Patent number 3,726,097
    • Issue date Apr 10, 1973
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3691775
    • Patent number 3,691,775
    • Issue date Sep 19, 1972
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3592332
    • Patent number 3,592,332
    • Issue date Jul 13, 1971
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    3504944
    • Patent number 3,504,944
    • Issue date Apr 7, 1970
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    3447328
    • Patent number 3,447,328
    • Issue date Jun 3, 1969
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3438210
    • Patent number 3,438,210
    • Issue date Apr 15, 1969
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3352117
    • Patent number 3,352,117
    • Issue date Nov 14, 1967
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3297140
    • Patent number 3,297,140
    • Issue date Jan 10, 1967
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    2990168
    • Patent number 2,990,168
    • Issue date Jun 27, 1961
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    2382022
    • Patent number 2,382,022
    • Issue date Aug 14, 1945
    • G08 - SIGNALLING