TREA

Klaus Janssen

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  • Goslar, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Hydraulic conveying of solids
    • Patent number 4,666,347
    • Issue date May 19, 1987
    • Preussag Aktiengesellschaft Metall
    • Klaus Janssen
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Method of disposal or temporary storage of waste material
    • Patent number 4,468,154
    • Issue date Aug 28, 1984
    • Preussag Aktiengesellschaft Metall
    • Klaus Janssen
    • B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL