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Karl Feldhaus

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  • Gelsenkirchen, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Apparatus for cleaning coke oven leveling doors and leveling door f...
    • Patent number 4,808,268
    • Issue date Feb 28, 1989
    • Gewerkschaft Schalker Eisenhutte
    • Karl Feldhaus
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Gas-collecting apparatus for coking installation
    • Patent number 4,359,364
    • Issue date Nov 16, 1982
    • Gewerkschaft Schalker Eisenhutte
    • Karl Gregor
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Element for cleaning coking-oven doors and doorjamb
    • Patent number 4,340,987
    • Issue date Jul 27, 1982
    • Gewerkschaft Schalker Eisenhutte
    • Karl Gregor
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Door-removal device
    • Patent number 4,225,393
    • Issue date Sep 30, 1980
    • Gewerkschaft Schalker Eisenhutte
    • Karl Gregor
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...