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Michael L. Keith

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  • Mansfield, OH, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Self-priming centrifugal pump
    • Patent number 8,414,257
    • Issue date Apr 9, 2013
    • The Gorman-Rupp Co.
    • Thomas Scott
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Stacked self-priming pump and centrifugal pump
    • Patent number 8,128,340
    • Issue date Mar 6, 2012
    • Gorman-Rupp, Co.
    • Donald W. Racer
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Stacked self-priming pump and centrifugal pump
    • Patent number 8,123,458
    • Issue date Feb 28, 2012
    • The Gormann-Rupp Co.
    • Donald Racer
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Centrifugal pump with multiple inlets
    • Patent number 7,156,614
    • Issue date Jan 2, 2007
    • The Gorman-Rupp Company
    • Donald W. Racer
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Stacked self-priming pump and centrifugal pump
    • Patent number D534547
    • Issue date Jan 2, 2007
    • The Gormon-Rupp Co.
    • Donald W. Racer
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Centrifugal pump having adjustable clean-out assembly
    • Patent number 6,887,034
    • Issue date May 3, 2005
    • The Gorman-Rupp Company
    • David L. Mesiter
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Centrifugal pump with multiple inlets
    • Patent number 6,799,943
    • Issue date Oct 5, 2004
    • The Gorman-Rupp Company
    • Donald W. Racer
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    Stacked Self-Priming Pump and Centrifugal Pump
    • Publication number 20080193276
    • Publication date Aug 14, 2008
    • GORMAN-RUPP CO.
    • Donald Racer
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Self-priming centrifugal pump
    • Publication number 20080076619
    • Publication date Mar 27, 2008
    • Thomas Scott
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Stacked self-priming pump and centrifugal pump
    • Publication number 20050196269
    • Publication date Sep 8, 2005
    • Donald W. Racer
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Centrifugal pump with multiple inlets
    • Publication number 20050013689
    • Publication date Jan 20, 2005
    • The Gorman-Rupp Company
    • Donald W. Racer
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Centrigugal pump having adjustable clean-out assembly
    • Publication number 20030206797
    • Publication date Nov 6, 2003
    • David L. Mesiter
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Centrifugal pump with multiple inlets
    • Publication number 20020192088
    • Publication date Dec 19, 2002
    • Donald W Racer
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...