TREA

Wilhelm Claessen

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  • Aachen, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Press membrane from a rubber-elastic material
    • Patent number 6,919,024
    • Issue date Jul 19, 2005
    • Outokumpu Oyj
    • Wilhelm Claessen
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Device for detaching filter cakes
    • Patent number 6,754,927
    • Issue date Jun 29, 2004
    • Outokumpu Oyj
    • Wilhelm Claessen
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL