Fluid current motor and generator

Patents Grantslast 30 patents

  • Information Patent Grant

    Apparatus and method for energy extraction

    • Patent number 8,851,837
    • Issue date Oct 7, 2014
    • Matthew Whitelaw
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Portable hydro-generator

    • Patent number 7,670,101
    • Issue date Mar 2, 2010
    • Richard Chin Pang Mui
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Telescoping wind turbine blade

    • Patent number 7,632,070
    • Issue date Dec 15, 2009
    • Mark H. Dawson
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Fatigue resistant large hollow rotor blade for underwater energy co...

    • Patent number 7,360,993
    • Issue date Apr 22, 2008
    • Marine Current Turbines, Ltd.
    • Peter L. Fraenkel
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Cross-flow wind turbine

    • Patent number 7,347,660
    • Issue date Mar 25, 2008
    • Terra Moya Aqua, Inc.
    • Scott J. Taylor
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Power generation assemblies, and apparatus for use therewith

    • Patent number 7,293,960
    • Issue date Nov 13, 2007
    • Shigeyuki Yamamoto
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Apparatus and method for generating power from moving water

    • Patent number 7,270,513
    • Issue date Sep 18, 2007
    • Colin Regan
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Cross-flow wind turbine

    • Patent number 7,189,050
    • Issue date Mar 13, 2007
    • Terra Moya Aqua, Inc.
    • Scott J. Taylor
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Wind turbine having airfoils for blocking and directing wind and ro...

    • Patent number 6,966,747
    • Issue date Nov 22, 2005
    • Ronald J. Taylor
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Hydroelectric turbine

    • Patent number 6,957,947
    • Issue date Oct 25, 2005
    • Herbert Lehman Williams
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Machine and system for power generation through movement of water

    • Patent number 6,955,049
    • Issue date Oct 18, 2005
    • Wayne F. Krouse
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Wind turbine ring/shroud drive system

    • Patent number 6,951,443
    • Issue date Oct 4, 2005
    • General Electric Company
    • Ralph W. Blakemore
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Telescoping wind turbine blade

    • Patent number 6,902,370
    • Issue date Jun 7, 2005
    • Energy Unlimited, Inc.
    • Mark H. Dawson
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Electro-magnetic archimedean screw motor-generator

    • Patent number 6,741,000
    • Issue date May 25, 2004
    • Ronald A. Newcomb
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Self-trimming oscillating wing system

    • Patent number 6,652,232
    • Issue date Nov 25, 2003
    • Maxime Lambert Bolduc
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Hydroelectric turbine for producing electricity from a water current

    • Patent number 6,648,589
    • Issue date Nov 18, 2003
    • Herbert Lehman Williams
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Floating electric generator

    • Patent number 6,616,403
    • Issue date Sep 9, 2003
    • Matt H. Smith
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Hydro-electric generator

    • Patent number 6,551,053
    • Issue date Apr 22, 2003
    • C. Ed Schuetz
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Plant for utilizing the energy in waves

    • Patent number 6,527,504
    • Issue date Mar 4, 2003
    • Waveplane International A/S
    • Erik Skaarup
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Helical wind rotor and a method for manufacturing the same

    • Patent number 6,428,275
    • Issue date Aug 6, 2002
    • Shield Oy
    • Reijo Jaakkola
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Dual hydroturbine unit

    • Patent number 6,168,373
    • Issue date Jan 2, 2001
    • Philippe Vauthier
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Windmill structures and systems

    • Patent number 6,132,181
    • Issue date Oct 17, 2000
    • Francis J. McCabe
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Fluid power storage device

    • Patent number 6,099,255
    • Issue date Aug 8, 2000
    • Wai Cheung Lee
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Wind driven electrical power generating apparatus

    • Patent number 5,997,252
    • Issue date Dec 7, 1999
    • Duane G. Miller
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Wind energy collection

    • Patent number 5,709,419
    • Issue date Jan 20, 1998
    • John E. Roskey
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Wind amplified rotor platform (warp)

    • Patent number 5,520,505
    • Issue date May 28, 1996
    • Alfred L. Weisbrich
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Wind turbine

    • Patent number 5,419,683
    • Issue date May 30, 1995
    • Steven J. Peace
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Solar and wind energy generating system for a high rise building

    • Patent number 5,394,016
    • Issue date Feb 28, 1995
    • John J. Hickey
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    In-line auger driven charging system

    • Patent number 5,386,146
    • Issue date Jan 31, 1995
    • John J. Hickey
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Wind energy collection system

    • Patent number 5,350,273
    • Issue date Sep 27, 1994
    • Francis N. Hector
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...

Patents Applicationslast 30 patents