TREA

by cable or chains

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Industry

  • CPC
  • E21C29/04
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Parent Industries

EFIXED CONSTRUCTIONS E21Mining E21CMINING OR QUARRYING E21C29/00Propulsion of machines for slitting or completely freeing the mineral from the seam

Current Industry

E21C29/04by cable or chains
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Link chain
    • Patent number 7,231,759
    • Issue date Jun 19, 2007
    • J.D. Theile GmbH & Co. KG
    • Rainer Benecke
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Plough chain strand comprising a chain lock link
    • Patent number 6,959,769
    • Issue date Nov 1, 2005
    • DBT GmbH
    • Gerhard Merten
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Hauling system for underground workings
    • Patent number 4,154,479
    • Issue date May 15, 1979
    • Halbach and Braun
    • Ernst Braun
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Sprocket-wheel, especially for mining machines
    • Patent number 4,095,478
    • Issue date Jun 20, 1978
    • Politechnika Slaska im Wincentego Pstrowskiego
    • Jan Rynik
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • 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

    Device for guying a movable cutting machine
    • Patent number 4,087,132
    • Issue date May 2, 1978
    • Vereinigte Osterreichische Eisen- und Stahlwerke-Alpine Montan Aktiengesellsc...
    • Friedrich Ressler
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Device for guying a movable cutting machine
    • Patent number 4,076,317
    • Issue date Feb 28, 1978
    • Vereinigte Osterreichische Eisen- und Stahlwerke-Alpine Montan Aktiengesellsc...
    • Alfred Zitz
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Apparatus for use in controlling the tension of a chain or chains o...
    • Patent number 4,048,866
    • Issue date Sep 20, 1977
    • Gewerkschaft Eisenhutte Westfalia
    • Walter Weirich
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Carriage especially for use in mines
    • Patent number 4,006,937
    • Issue date Feb 8, 1977
    • Perard Engineering Ltd.
    • Brian Matthew Curtis
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3392525
    • Patent number 3,392,525
    • Issue date Jul 16, 1968
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3323839
    • Patent number 3,323,839
    • Issue date Jun 6, 1967
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    2816747
    • Patent number 2,816,747
    • Issue date Dec 17, 1957
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    2157736
    • Patent number 2,157,736
    • Issue date May 9, 1939
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL

Patents Applicationslast 30 patents

  • Information Patent Application

    Link chain
    • Publication number 20050113198
    • Publication date May 26, 2005
    • Rainer Benecke
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Plane chain strand comprising a chain lock link
    • Publication number 20040187360
    • Publication date Sep 30, 2004
    • Gerhard Merten
    • E21 - EARTH DRILLING MINING