Patents by Inventor Ronald Withem

Ronald Withem 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).

  • Patent number: 4112967
    Abstract: A valve cover for a pipeline is provided in a flexible multi-layered construction shaped to conform to valves having a stubpipe-type valve stem housing, and having a tough waterproof outer layer of Herculite or the like with one of the inner layers being insulation, the cover being easily removable by virtue of releasable fasteners to permit access to the valve for maintenance.
    Type: Grant
    Filed: December 29, 1976
    Date of Patent: September 12, 1978
    Inventor: Ronald Withem