Patents by Inventor Paul R. Thomasberg

Paul R. Thomasberg 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).

  • Tubeless bicycle tire rim and tubeless bicycle tire in combination therewith
    Patent number: 6237662
    Abstract: The invention relates to a tubeless bicycle tire and rim. The rim is formed with opposing recesses configured to engage corresponding beads formed on the tire. With the beads engaged in the recesses, the tire and rim seal for form an air tight, sealed chamber such that no inner tube is necessary. The rim is formed with a single aperture having a valve installed therein. Preferably, the valve is formed with a ring which extends into the air tight, sealed chamber. In the event of a flat tire, the tire may be removed from the rim. The valve may also be removed by grasping the ring and pulling.
    Type: Grant
    Filed: March 13, 1998
    Date of Patent: May 29, 2001
    Inventor: Paul R. Thomasberg