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Richard Haas

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  • Cincinnati, OH, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Back flow preventing eductor
    • Patent number 6,634,376
    • Issue date Oct 21, 2003
    • Hydro Systems Company
    • Richard Haas
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Peristaltic pump
    • Patent number 4,950,136
    • Issue date Aug 21, 1990
    • Hydro Systems Company
    • Richard E. Haas
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    Back flow preventing eductor
    • Publication number 20040050438
    • Publication date Mar 18, 2004
    • Hydro Systems Company
    • Richard Haas
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Back flow preventing eductor
    • Publication number 20030034078
    • Publication date Feb 20, 2003
    • Richard Haas
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...