TREA

Protection against overload during transfer of machines for slitting or completely freeing the mineral from the seam

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  • CPC
  • E21C35/043
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Parent Industries

EFIXED CONSTRUCTIONS E21Mining E21CMINING OR QUARRYING E21C35/00Miscellaneous items relating to machines for slitting or completely freeing the mineral from the seam

Current Industry

E21C35/043Protection against overload during transfer of machines for slitting or completely freeing the mineral from the seam
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Device for protecting selective cutting machines against overload
    • Patent number 6,257,671
    • Issue date Jul 10, 2001
    • Tamrock Voest-Alpine Bergtechnik Gesellschaft m.b.H.
    • Gottfried Siebenhofer
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Overload protection system for planetary gear drive
    • Patent number 4,614,134
    • Issue date Sep 30, 1986
    • Gewerkschaft Eisenhutte Westfalia
    • Werner Bohle
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Gearing units for use with mining apparatus
    • Patent number 4,601,218
    • Issue date Jul 22, 1986
    • Gewerkschaft Eisenhutte Westfalia
    • Werner Bohle
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Protecting device for partial-cut cutting machines
    • Patent number 4,591,209
    • Issue date May 27, 1986
    • Voest-Alpine Aktiengesellschaft
    • Bernhard Droscher
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Mineral mining machine cutter driving mechanism having a load sensi...
    • Patent number 4,269,448
    • Issue date May 26, 1981
    • Anderson Strathclyde Limited
    • Samuel L. Wilson
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Mining machine haulage transmission
    • Patent number 4,245,526
    • Issue date Jan 20, 1981
    • Dresser Europe S.A.
    • Harry J. Fruin
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Cutting machine
    • Patent number 4,236,627
    • Issue date Dec 2, 1980
    • Vereinigte Osterreichische Eisen- und Stahlwerke - Alpine Montan Aktiengesell...
    • Siegfried Sigott
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Flywheel for a construction machine
    • Patent number 4,171,147
    • Issue date Oct 16, 1979
    • CMI Corporation
    • George W. Swisher
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Drive systems for mining apparatus
    • Patent number 4,078,452
    • Issue date Mar 14, 1978
    • Gewerkschaft Eisenhutte Westfalia
    • Wulff Rosler
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    3834763
    • Patent number 3,834,763
    • Issue date Sep 10, 1974
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3828900
    • Patent number 3,828,900
    • Issue date Aug 13, 1974
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3774737
    • Patent number 3,774,737
    • Issue date Nov 27, 1973
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3684067
    • Patent number 3,684,067
    • Issue date Aug 15, 1972
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3408110
    • Patent number 3,408,110
    • Issue date Oct 29, 1968
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3162249
    • Patent number 3,162,249
    • Issue date Dec 22, 1964
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3108789
    • Patent number 3,108,789
    • Issue date Oct 29, 1963
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3107903
    • Patent number 3,107,903
    • Issue date Oct 22, 1963
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3033542
    • Patent number 3,033,542
    • Issue date May 8, 1962
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    2530249
    • Patent number 2,530,249
    • Issue date Nov 14, 1950
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    2452760
    • Patent number 2,452,760
    • Issue date Nov 2, 1948
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    2334009
    • Patent number 2,334,009
    • Issue date Nov 9, 1943
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    2262048
    • Patent number 2,262,048
    • Issue date Nov 11, 1941
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    2190925
    • Patent number 2,190,925
    • Issue date Feb 20, 1940
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    2190926
    • Patent number 2,190,926
    • Issue date Feb 20, 1940
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    2136921
    • Patent number 2,136,921
    • Issue date Nov 15, 1938
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    2128064
    • Patent number 2,128,064
    • Issue date Aug 23, 1938
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    2102441
    • Patent number 2,102,441
    • Issue date Dec 14, 1937
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    1914503
    • Patent number 1,914,503
    • Issue date Jun 20, 1933
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    1667167
    • Patent number 1,667,167
    • Issue date Apr 24, 1928
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    1639255
    • Patent number 1,639,255
    • Issue date Aug 16, 1927
    • E21 - EARTH DRILLING MINING