Patents by Inventor William W. Royer

William W. Royer 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).

  • Rotating joint with separated bearings and seals
    Patent number: 4477107
    Abstract: A rotating joint for establishing supply and return fluid flow connections between stationary piping and a rotating drum and syphon pipe and in which separate bearings and seals are provided for a drum shaft and a syphon pipe.
    Type: Grant
    Filed: November 27, 1981
    Date of Patent: October 16, 1984
    Assignee: Duff-Norton Company, Inc.
    Inventors: George R. Ferguson, William W. Royer