Patents by Inventor Robert E. Tydeman

Robert E. Tydeman 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: 5207444
    Abstract: A steering turntable for the front wheel assembly of trailers and the like is formed of first and second turntable ring members each having cooperating projecting circular wall sections configured to interconnect with each other to prevent separation of the ring members from each other while allowing relative rotation of the ring members. A plastic ring of ultra high molecular weight synthetic resin, such as polyurethane, is interposed between the bearing surfaces of the first and second rings to provide a reduced-friction bearing surface therebetween.
    Type: Grant
    Filed: August 23, 1991
    Date of Patent: May 4, 1993
    Inventor: Robert E. Tydeman