TREA

Thomas Graefenstein

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  • Dortmund, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Tool for cutting coke and other hard materials in drums
    • Patent number 8,066,334
    • Issue date Nov 29, 2011
    • Ruhrpumpen GmbH
    • Wolfgang Paul
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Decoking tool
    • Patent number 8,002,204
    • Issue date Aug 23, 2011
    • Ruhrpumpen GmbH
    • Wolfgang Paul
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Decoking tool
    • Patent number 7,819,343
    • Issue date Oct 26, 2010
    • Ruhrpumpen GmbH
    • Wolfgang Paul
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...

Patents Applicationslast 30 patents