Patents by Inventor Robert G. Armbruster

Robert G. Armbruster 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).

  • Sidewall and bead reinforcing structure for a pneumatic aircraft tire
    Patent number: 4790364
    Abstract: A tire structure that is especially advantageous for an aircraft tire has a pair of annular elastomeric members (40,41) disposed axially inwardly of the carcass plies (13,14) to maintain the carcass plies in a desired configuration. A preferred arrangement of bead reinforcing strips (32,33,34,35) is disclosed for use in tires that are intended for mounting on H-type aircraft rims.
    Type: Grant
    Filed: July 27, 1987
    Date of Patent: December 13, 1988
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Jolan F. Lobb, Clarence B. Alsobrook, Robert G. Armbruster
  • Pneumatic tire with tread of medium vinyl polybutadiene/rubber blend
    Patent number: 4530959
    Abstract: A pneumatic tire with a sulfur cured elastomeric tread composition comprised of medium vinyl polybutadiene cis 1,4-polyisoprene rubber and styrene/butadiene copolymer rubber.
    Type: Grant
    Filed: March 8, 1984
    Date of Patent: July 23, 1985
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Robert G. Armbruster, Richard M. Scriver