Patents by Inventor David Ewart Anderson

David Ewart Anderson has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Wind turbine
    Patent number: 7550864
    Abstract: A rotor for a wind turbine comprising a plurality of radial blades and a ring-shaped aerofoil diffuser connecting the outer tips of the blades. Also disclosed is a wind turbine comprising said rotor and further comprising a nacelle and a mounting means adapted to allow rotation of the turbine and rotor about a directional axis perpendicular to the rotational axis, thus allowing the turbine to be oriented in the optimum direction depending on wind conditions. A furling means is disclosed to effect a change in orientation depending on wind speeds.
    Type: Grant
    Filed: March 18, 2004
    Date of Patent: June 23, 2009
    Assignee: Renewable Devices Swift Turbines Limited
    Inventors: David Ewart Anderson, Charles Lawrence Silverton