Patents by Inventor Robert W. Elderton

Robert W. Elderton 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).

  • Insulated fan for electric appliance
    Patent number: 4147470
    Abstract: A fan and motor assembly for an electric appliance, wherein the fan is comprised of a plastic material and has a mounting hole of a diameter greater than the shaft diameter of the motor. Insulating washers closely fitted in annular recesses at the end of the mounting hole have inner diameters substantially the same as that of the shaft for centering the fan on the shaft.
    Type: Grant
    Filed: January 31, 1977
    Date of Patent: April 3, 1979
    Assignee: National Union Electric Corporation
    Inventors: Joseph F. Brooks, Robert W. Elderton