TREA

Karl-Heinz Wollenhaupt

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  • Gelsenkirchen, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method of producing hot briquettes
    • Patent number 4,289,500
    • Issue date Sep 15, 1981
    • Firma Carl Still GmbH & Co. KG
    • Heinrich Weber
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Method for producing form coke
    • Patent number 4,187,079
    • Issue date Feb 5, 1980
    • Firma Carl Still
    • Heinrich Weber
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...