Patents by Inventor James P. Szybist

James P. Szybist 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).

  • Patent number: 8291872
    Abstract: A six-stroke engine cycle having improved efficiency. Heat is recovered from the engine combustion gases by using a 6-stroke engine cycle in which combustion gases are partially vented proximate the bottom-dead-center position of the fourth stroke cycle, and water is injected proximate the top-dead-center position of the fourth stroke cycle.
    Type: Grant
    Filed: June 12, 2009
    Date of Patent: October 23, 2012
    Assignee: UT-Battelle, LLC
    Inventors: James P. Szybist, James C. Conklin
  • Publication number: 20100313831
    Abstract: A six-stroke engine cycle having improved efficiency. Heat is recovered from the engine combustion gases by using a 6-stroke engine cycle in which combustion gases are partially vented proximate the bottom-dead-center position of the fourth stroke cycle, and water is injected proximate the top-dead-center position of the fourth stroke cycle.
    Type: Application
    Filed: June 12, 2009
    Publication date: December 16, 2010
    Inventors: James P. Szybist, James C. Conklin