Patents by Inventor Christopher R Benning

Christopher R Benning 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).

  • Method and operation of an engine
    Patent number: 7431024
    Abstract: An engine is disclosed which may operate in a first operating state wherein a spark ignited fuel is ignited in a combustion chamber with an igniter and a second operating state wherein a compression ignited fuel is ignited in a combustion chamber with an igniter. A compression ratio in the combustion chamber being up to about eight to one. The engine may be a four-stroke engine. The engine may include a piston having a top portion with a recessed central portion.
    Type: Grant
    Filed: June 2, 2006
    Date of Patent: October 7, 2008
    Assignee: Polaris Industries Inc.
    Inventors: James H Buchwitz, Chad M Cunningham, Nathan D Dahl, Ryan W Sorenson, Dean J Hedlund, Christopher R Benning