with two or more pump stages

Industry

  • CPC
  • B63H2011/084
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Patents Grantslast 30 patents

  • Information Patent Grant

    Axial flow pump or marine propulsion device

    • Patent number 7,108,569
    • Issue date Sep 19, 2006
    • Donald E. Cornell
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Marine reaction thruster

    • Patent number 6,981,902
    • Issue date Jan 3, 2006
    • Samuel Barran Tafoya
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Method and apparatus for propelling a surface ship through water

    • Patent number 6,725,797
    • Issue date Apr 27, 2004
    • Terry B. Hilleman
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Water jet propulsion device for marine vessel

    • Patent number 6,102,757
    • Issue date Aug 15, 2000
    • Ishigaki Company Limited
    • Eiichi Ishigaki
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Water jet propulsion unit for use in a jet boat

    • Patent number 5,634,831
    • Issue date Jun 3, 1997
    • Richard G. Davies
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    3601989

    • Patent number 3,601,989
    • Issue date Aug 31, 1971
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    3328961

    • Patent number 3,328,961
    • Issue date Jul 4, 1967
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    3286641

    • Patent number 3,286,641
    • Issue date Nov 22, 1966
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT

Patents Applicationslast 30 patents