Patents by Inventor John W. Shoemaker

John W. Shoemaker 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).

  • Engine tuned for hybrid electric and continuously variable transmission applications
    Patent number: 7487757
    Abstract: An engine tuned for use with a hybrid engine or CVT has a relatively narrow torque curve that is roughly centered at the engine's rated speed, with less than 50% of the maximum torque provided throughout 80% of the range of engine speeds. The relatively narrow torque peak permits a variety of optimizations that improve fuel economy and reduce emissions.
    Type: Grant
    Filed: January 7, 2004
    Date of Patent: February 10, 2009
    Assignee: Cummins, Inc.
    Inventors: Rod Radovanovic, John W. Shoemaker