TREA

Ullrich Preiss

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  • Erlangen, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Damped valve
    • Patent number 6,073,651
    • Issue date Jun 13, 2000
    • Siemens Aktiengesellschaft
    • Hermann-Josef Conrads
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Pressure fitting, in particular a pressure relief and safety valve
    • Patent number 6,047,731
    • Issue date Apr 11, 2000
    • Siemens Aktiengesellschaft
    • Hermann-Josef Conrads
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...