Patents by Inventor Hugh R. Norris

Hugh R. Norris 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).

  • Friction control for bearing surface of roller
    Patent number: 4960202
    Abstract: A roller element for a powered-roller tarnsfer system has a plurality of lubricant pressure relief areas about or in the bearing surface to increase and provide consistent rotary drive power transmitted from a powered axle to the roller.
    Type: Grant
    Filed: May 17, 1989
    Date of Patent: October 2, 1990
    Assignee: Ingersoll-Rand Company
    Inventors: Edwin E. Rice, Hugh R. Norris