TREA

Heinrich Echterhoff

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  • Essen, DT
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Patents Grantslast 30 patents

  • Information Patent Grant

    Coking method and arrangement
    • Patent number 4,086,143
    • Issue date Apr 25, 1978
    • Bergwerksverband GmbH
    • Heinrich Echterhoff
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Firebricks
    • Patent number 4,039,342
    • Issue date Aug 2, 1977
    • Bergwerksverband GmbH
    • Wilhelm Reerink
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Processes of producing cokes of large lump size and improved streng...
    • Patent number 3,970,523
    • Issue date Jul 20, 1976
    • Bergwerksverband GmbH
    • Kurt-Gunther Beck
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...