by means of radially reefing blades

Patents Grantslast 30 patents

  • Information Patent Grant

    Hinged wind turbine blade defining an angle in a flap-wise direction

    • Patent number 11,473,559
    • Issue date Oct 18, 2022
    • Vestas Wind Systems A/S
    • Thomas S. Bjertrup Nielsen
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Pneumatic motor for a pneumatic tool

    • Patent number 10,018,045
    • Issue date Jul 10, 2018
    • AIRBOSS AIR TOOL CO., LTD.
    • Hsin-He Chang
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Foldable blades for wind turbines

    • Patent number 8,419,362
    • Issue date Apr 16, 2013
    • Hamilton Sundstrand Corporation
    • Fabio Paolo Bertolotti
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Wind turbine

    • Patent number 7,821,148
    • Issue date Oct 26, 2010
    • Frederick W. Piasecki
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Wind turbine

    • Patent number 7,396,207
    • Issue date Jul 8, 2008
    • Dee James DeLong
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Propeller type windmill for power generation

    • Patent number 6,752,595
    • Issue date Jun 22, 2004
    • Hitachi Zosen Corporation
    • Mitsunori Murakami
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...

Patents Applicationslast 30 patents

  • Information Patent Application

    A HINGED WIND TURBINE BLADE DEFINING AN ANGLE IN A FLAP-WISE DIRECTION

    • Publication number 20210340954
    • Publication date Nov 4, 2021
    • VESTAS WIND SYSTEMS A/S
    • Thomas S. Bjertrup Nielsen
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Application

    PNEUMATIC MOTOR FOR A PNEUMATIC TOOL

    • Publication number 20180003059
    • Publication date Jan 4, 2018
    • AIRBOSS AIR TOOL CO., LTD.
    • Hsin-He CHANG
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    Wind Turbine

    • Publication number 20100133848
    • Publication date Jun 3, 2010
    • Frederick W. Piasecki
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Application

    Wind turbine

    • Publication number 20060056972
    • Publication date Mar 16, 2006
    • DeLong & Associates
    • Dee James DeLong
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Application

    Foldable blades for wind turbines

    • Publication number 20060045743
    • Publication date Mar 2, 2006
    • Fabio Paolo Bertolotti
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Application

    Propeller type windmill for power generation

    • Publication number 20030123973
    • Publication date Jul 3, 2003
    • Mitsunori Murakami
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...