having means for differentially varying the speed of the main transmitting elements

Industry

  • CPC
  • B63H2023/065
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Patents Grantslast 30 patents

  • Information Patent Grant

    Contra-rotating propulsor for marine propulsion

    • Patent number 10,392,089
    • Issue date Aug 27, 2019
    • Michigan Marine Propulsion Systems, LLC
    • Bernard Bentgen
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Grant

    Contra-rotating propulsor for marine propulsion

    • Patent number 9,452,815
    • Issue date Sep 27, 2016
    • Michigan Marine Propulsion Systems, LLC
    • Bernard Bentgen
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Waterjet propulsion system and method for a marine vehicle

    • Patent number 8,668,533
    • Issue date Mar 11, 2014
    • Twin Disc, Inc.
    • Philip Rolla
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Marine power splitting gearbox

    • Patent number 8,187,046
    • Issue date May 29, 2012
    • Twin Disc, Inc.
    • Philip Rolla
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Power transmission device

    • Patent number 7,090,611
    • Issue date Aug 15, 2006
    • Fumio Kasahara
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Water intake and transmission system

    • Patent number 7,040,939
    • Issue date May 9, 2006
    • Dual Drive Systems, Inc.
    • Harold Bruce
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Water intake and transmission system

    • Patent number 6,626,713
    • Issue date Sep 30, 2003
    • Dual Drive Systems, Inc.
    • Harold Bruce
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Marine propulsion apparatus with dual driveshafts extending from a...

    • Patent number 6,361,387
    • Issue date Mar 26, 2002
    • Brunswick Corporation
    • Daniel E. Clarkson
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    3207119

    • Patent number 3,207,119
    • Issue date Sep 21, 1965
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    2999476

    • Patent number 2,999,476
    • Issue date Sep 12, 1961
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    613875

    • Patent number 613,875
    • Issue date Nov 8, 1898
    • F42 - AMMUNITION BLASTING
  • Information Patent Grant

    208274

    • Patent number 208,274
    • Issue date Sep 24, 1878
    • F42 - AMMUNITION BLASTING

Patents Applicationslast 30 patents

  • Information Patent Application

    CONTRA-ROTATING PROPULSOR FOR MARINE PROPULSION

    • Publication number 20140364265
    • Publication date Dec 11, 2014
    • Michigan Marine Propulsion Systems, LLC
    • Bernard Bentgen
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Application

    Waterjet Propulsion System and Method for a Marine Vehicle

    • Publication number 20110275254
    • Publication date Nov 10, 2011
    • Twin Disc, Inc.
    • Philip Rolla
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Application

    MARINE POWER SPLITTING GEARBOX

    • Publication number 20100311291
    • Publication date Dec 9, 2010
    • Twin Disc, Inc.
    • Philip Rolla
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Application

    Power transmission device

    • Publication number 20060073934
    • Publication date Apr 6, 2006
    • Fumio Kasahara
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Application

    Marine counter-rotating shaft drive mechanism

    • Publication number 20050202734
    • Publication date Sep 15, 2005
    • Graham Miller
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Application

    Water intake and transmission system

    • Publication number 20040132358
    • Publication date Jul 8, 2004
    • Harold Bruce
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Application

    Water intake and transmission system

    • Publication number 20030092330
    • Publication date May 15, 2003
    • Harold Bruce
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT