Patents by Inventor Richard J. Denton

Richard J. Denton 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).

  • Internal-combustion engine with concentric, annular intake and exhaust valves
    Patent number: 5355848
    Abstract: An internal-combustion-engine cylinder head has a concentric, annular passages to admit an intake charge into a combustion chamber and to remove combustion product exhaust gasses. Each of these passages is isolated from the combustion chamber by the closure of concentric ring valves coaxial with the engine cylinder. Mechanical devices are provided to actuate the valves according to the timing of an engine camshaft. The actuating mechanisms comprise multiple valve stems, concentric operating plates, fork-shaped actuators, and connecting devices.
    Type: Grant
    Filed: October 25, 1993
    Date of Patent: October 18, 1994
    Inventor: Richard J. Denton