with auxiliary or secondary rotors attached to blades of main rotor

Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    METHOD OF ATTACHING A TIP EXTENSION TO A WIND TURBINE BLADE

    • Publication number 20190360457
    • Publication date Nov 28, 2019
    • VESTAS WIND SYSTEMS A/S
    • Leon Barton
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Application

    Vortex Energy Recovery Turbine

    • Publication number 20140308111
    • Publication date Oct 16, 2014
    • John Hincks Duke
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Application

    HORIZONTAL AXIS WIND OR WATER TURBINE WITH FORKED OR MULTI-BLADE UP...

    • Publication number 20140271216
    • Publication date Sep 18, 2014
    • George J. Syrovy
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Application

    Air-Jet Wind Turbine Generator

    • Publication number 20130280072
    • Publication date Oct 24, 2013
    • Kechao Ma
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Application

    POWER GENERATION APPARATUS

    • Publication number 20130170990
    • Publication date Jul 4, 2013
    • Orville J. Birkestrand
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Application

    WIND POWERED ENERGY AMPLIFICATION SYSTEM AND METHOD

    • Publication number 20130161953
    • Publication date Jun 27, 2013
    • Allen Mark Jones
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    WIND POWERED ENERGY AMPLIFICATION SYSTEM AND METHOD

    • Publication number 20130161954
    • Publication date Jun 27, 2013
    • Allen Mark Jones
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    POWER GENERATOR

    • Publication number 20120267895
    • Publication date Oct 25, 2012
    • Atlantis Resources Corporation Pte. Limited
    • Drew Blaxland
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    Continuous Wind Power System with Auxiliary Blades

    • Publication number 20110248512
    • Publication date Oct 13, 2011
    • Tai Koan Lee
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Application

    Wind Turbine with Sail Extensions

    • Publication number 20100266407
    • Publication date Oct 21, 2010
    • Gerald L. Barber
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Application

    WIND POWERED ENERGY AMPLIFICATION SYSTEM AND METHOD

    • Publication number 20100013237
    • Publication date Jan 21, 2010
    • Allen Mark Jones
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    WIND TURBINE IMPROVEMENTS

    • Publication number 20090196748
    • Publication date Aug 6, 2009
    • GREENWARD TECHNOLOGIES, INC.
    • Edmund Salter
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Application

    Curved Blade for Wind Turbines

    • Publication number 20090104039
    • Publication date Apr 23, 2009
    • WIND SIMPLICITY INC.
    • Sharolyn Vettese
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...