Patents by Inventor Richard Bushell

Richard Bushell 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).

  • Exhaust System for Internal Combustion Engines
    Publication number: 20080308348
    Abstract: A dynamic exhaust system including a down-pipe (1) to receive exhaust gases from the engine and delivering the gases to an exhaust pipe (3). The system further includes a valve member (11) with one end extending through the exhaust pipe inlet and into the down-pipe (1). The valve (11) is movable to reduce or increase the area of the inlet port (2) of the exhaust pipe (3).
    Type: Application
    Filed: May 17, 2005
    Publication date: December 18, 2008
    Inventors: Richard Bushell, Terence Frank Rainback