Patents by Inventor Robert E. Johnston

Robert E. Johnston 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).

  • Starter drive having a contaminant collecting bushing
    Patent number: 4748862
    Abstract: A starter drive for cranking an engine. The starter drive has a pinion. A bushing is press fitted to the bore of the pinion. The pinion and bushing are supported for rotation and sliding movement by a shaft or sleeve. A thin film of grease is located between the inner surface of the bushing and the outer surface of the shaft or sleeve. The inner surface of the bushing has a plurality of contaminant collecting grooves. The grooves collect the contaminants to thereby prevent grease degradation and wear out.
    Type: Grant
    Filed: March 17, 1987
    Date of Patent: June 7, 1988
    Assignee: General Motors Corporation
    Inventor: Robert E. Johnston
  • Corner and edge protector
    Patent number: 4375852
    Abstract: A blank which is scored and cut so that it may be folded into a corner protector. A blank is scored to provide a series of side, bottom and top panels. There are aligned apertures in the side panels which allow a blank to be bent to form a pair of angularly aligned elements.
    Type: Grant
    Filed: September 8, 1981
    Date of Patent: March 8, 1983
    Assignee: Weyerhaeuser Company
    Inventors: Robert E. Johnston, Kishor N. Kudalkar