TREA

Heinz-Dieter Hellmann

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  • Grunstadt, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Liquid flow meter
    • Patent number 4,491,026
    • Issue date Jan 1, 1985
    • Robert Bosch GmbH
    • Rolf Brautigam
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Centrifugal pump with double volute casing
    • Patent number 4,406,583
    • Issue date Sep 27, 1983
    • Klein, Schanzlin & Becker Aktiengesellschaft
    • Karl-Heinz Becker
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Centrifugal pump with open double volute casing
    • Patent number 4,383,800
    • Issue date May 17, 1983
    • Klein-Schanzlin & Becker Aktiengesellschaft
    • Karl-Heinz Becker
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...