Patents by Inventor William H. Wadsworth

William H. Wadsworth 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: 5133637
    Abstract: A vertical axis wind turbine provides a rotor assembly which rotates on bearing assemblies affixed to a rotor shaft supported by a base, the rotor assembly having inclined vanes mounted between top and bottom plates to impart lift to the rotor assembly and reduce friction on the bearing assemblies, and power takeoff means to provide power by direct mechanical linkage or to drive an electrical generator.
    Type: Grant
    Filed: March 22, 1991
    Date of Patent: July 28, 1992
    Inventor: William H. Wadsworth