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Patents Grantslast 30 patents

  • Information Patent Grant

    Heating system for regenerative coke ovens
    • Patent number 5,259,932
    • Issue date Nov 9, 1993
    • Didier Ofu Engineering GmbH
    • Manfred Blase
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Process for treating contaminated earth
    • Patent number 4,993,873
    • Issue date Feb 19, 1991
    • Still Otto GmbH
    • Kurt Tippmer
    • B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL

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