TREA

Jurgen Ewald

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  • Muhlheim an der Ruhr, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Turbine shaft and method for producing a turbine shaft
    • Patent number 6,350,325
    • Issue date Feb 26, 2002
    • Siemens Aktiengesellschaft
    • Jürgen Ewald
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Method for removing tin
    • Patent number 5,993,559
    • Issue date Nov 30, 1999
    • Siemens Aktiengesellschaft
    • Robert Singer
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...