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Patents Grantslast 30 patents

  • Information Patent Grant

    Centrifugal impeller and turbomachine

    • Patent number 9,816,518
    • Issue date Nov 14, 2017
    • Massimo Giannozzi
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Multi directional augmenter and diffuser

    • Patent number 8,408,867
    • Issue date Apr 2, 2013
    • Jonathan C. Ricker
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Wind turbine

    • Patent number 8,109,727
    • Issue date Feb 7, 2012
    • Gerald L. Barber
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Methods and apparatus for reducing load in a rotor blade

    • Patent number 7,802,968
    • Issue date Sep 28, 2010
    • General Electric Company
    • Eric Morgan Jacobsen
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Energy converter, flag type energy converter

    • Patent number 7,626,281
    • Issue date Dec 1, 2009
    • Kyoto University
    • Hiromasa Kawai
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Active energy absorbing cellular metals and method of manufacturing...

    • Patent number 7,288,326
    • Issue date Oct 30, 2007
    • University of Virginia Patent Foundation
    • Dana M. Elzey
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Polygonal windmill

    • Patent number 6,224,338
    • Issue date May 1, 2001
    • Samuel Edward Christaldi
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Horizontal windmill with folding blades

    • Patent number 5,570,997
    • Issue date Nov 5, 1996
    • Charles W. Pratt
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Overlapping sail wind turbine

    • Patent number 5,525,037
    • Issue date Jun 11, 1996
    • John Cummings
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Vertical axis wind turbine

    • Patent number 5,226,806
    • Issue date Jul 13, 1993
    • John Lubbers
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Dual axis fluid current motor

    • Patent number 5,131,805
    • Issue date Jul 21, 1992
    • Lester A. Stevenson
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Helicoidal structures, useful as wind turbines

    • Patent number 4,708,592
    • Issue date Nov 24, 1987
    • Wind Production Company
    • Robert S. Krolick
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Self-fairing windmill vane

    • Patent number 4,681,512
    • Issue date Jul 21, 1987
    • Maxwell K. Barnard
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Wind turbine apparatus

    • Patent number 4,619,585
    • Issue date Oct 28, 1986
    • Joe Storm
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Vane structure for vane type air pumps

    • Patent number 4,583,926
    • Issue date Apr 22, 1986
    • Honda Giken Kogyo Kabushiki Kaisha
    • Masahito Mitsumori
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Wind turbine apparatus

    • Patent number 4,545,729
    • Issue date Oct 8, 1985
    • Joe Storm
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Windmill mechanism

    • Patent number 4,530,642
    • Issue date Jul 23, 1985
    • Wei H. Yang
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Wind motor

    • Patent number 4,527,950
    • Issue date Jul 9, 1985
    • Lloyd I. Biscomb
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Jibe mill

    • Patent number 4,457,669
    • Issue date Jul 3, 1984
    • William R. Corry
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Rotating sail fluid current motor

    • Patent number 4,388,041
    • Issue date Jun 14, 1983
    • Ralph Dorr
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Retractable wind machine

    • Patent number 4,342,539
    • Issue date Aug 3, 1982
    • James A. Potter
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Rotor blade structure and mounting for vertical axis wind machines

    • Patent number 4,248,568
    • Issue date Feb 3, 1981
    • William L. Lechner
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Windmill

    • Patent number 4,218,183
    • Issue date Aug 19, 1980
    • Dennis P. Dall-Winther
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Wind turbine

    • Patent number 4,208,168
    • Issue date Jun 17, 1980
    • Jimmy M. Chen
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Vertical axis windmill

    • Patent number 4,197,055
    • Issue date Apr 8, 1980
    • James S. Campbell
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Windmill

    • Patent number 4,191,507
    • Issue date Mar 4, 1980
    • Gary J. DeBerg
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Wind driven electric power plant

    • Patent number 4,134,708
    • Issue date Jan 16, 1979
    • Bradley O. Brauser
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Wind-driven rotor assembly

    • Patent number 4,049,362
    • Issue date Sep 20, 1977
    • Arthur E. Rineer
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Wind energy conversion device

    • Patent number 3,995,170
    • Issue date Nov 30, 1976
    • Clinton L. Graybill
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    2818024

    • Patent number 2,818,024
    • Issue date Dec 31, 1957
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES

Patents Applicationslast 30 patents