TREA

Richard L. Otto

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  • Marshalltown, IA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Roller vane pump
    • Patent number 6,857,862
    • Issue date Feb 22, 2005
    • Sauer-Danfoss Inc.
    • Alan W. Johnson
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Swashplate position assist mechanism
    • Patent number 6,413,055
    • Issue date Jul 2, 2002
    • Sauer-Danfoss Inc.
    • Kerry G. Geringer
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Reduced oil volume piston assembly for a hydrostatic unit
    • Patent number 6,338,293
    • Issue date Jan 15, 2002
    • Sauer-Danfoss Inc.
    • Alan W. Johnson
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES

Patents Applicationslast 30 patents

  • Information Patent Application

    Roller vane pump
    • Publication number 20040219046
    • Publication date Nov 4, 2004
    • Sauer-Danfoss Inc.
    • Alan W. Johnson
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...