Patents by Inventor James D. Rawls

James D. Rawls 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).

  • Patent number: 8591170
    Abstract: A directed force turbine device utilizing forces of wind or water current flow featuring a wheel-style rotor assembly having side panels connected via a plurality of curved vanes, the rotor assembly rotates on bearings about a fixed axle shaft, the curved vanes harness the incoming current flow, which drives rotation of the rotor assembly, the vanes surround the fixed axle shaft and form an inner cavity; a stator assembly disposed in the inner cavity of the rotor assembly, the stator assembly does not rotate with the rotor assembly, the stator assembly comprises flow directors wherein entering current flow is directed in between the flow directors which functions to apply a positive force against forward moving vanes of the rotor assembly; a funnel assembly and external flow director for controlling intake of the current flow; and an exhaust port.
    Type: Grant
    Filed: May 26, 2010
    Date of Patent: November 26, 2013
    Inventor: James D. Rawls