Patents by Inventor David P. Roethel

David P. Roethel 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).

  • Valve assembly
    Patent number: 6899066
    Abstract: A valve assembly for a motorcycle engine including a valve body and a plurality of reed valve constructions. The valve assembly is configured for receipt within an aperture of an engine wall extending between the crankcase and the cam chest of the engine. In particular, the valve assembly is configured to fit within a bearing support structure and seal around a pinion shaft.
    Type: Grant
    Filed: December 30, 2002
    Date of Patent: May 31, 2005
    Assignee: S & S Cycle, Inc.
    Inventors: Timothy T. Tiller, David P. Roethel, Floyd I. Baker
  • Valve assembly
    Publication number: 20040123823
    Abstract: A valve assembly for a motorcycle engine including a valve body and a plurality of reed valve constructions. The valve assembly is configured for receipt within an aperture of an engine wall extending between the crankcase and the cam chest of the engine. In particular, the valve assembly is configured to fit within a bearing support structure and seal around a pinion shaft.
    Type: Application
    Filed: December 30, 2002
    Publication date: July 1, 2004
    Inventors: Timothy T. Tiller, David P. Roethel, Floyd I. Baker