TREA

Ulrich Ackermann

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  • Stuttgart, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Axial fan
    • Patent number 5,215,433
    • Issue date Jun 1, 1993
    • Gebhardt Ventilatoren GmbH & Co.
    • Heinz Weiland
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Sound attenuating box
    • Patent number 4,787,473
    • Issue date Nov 29, 1988
    • Fraunhofer-Gesellschaft
    • Helmut V. Fuchs
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...