Patents by Inventor David Collis Kieke

David Collis Kieke 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).

  • Publication number: 20110247583
    Abstract: A rotary internal combustion engine includes crank-driven gates to synchronously form chambers for the intake, compression, combustion, expansion and exhaust of a working medium during a high-efficiency hybrid engine cycle. A variety of rotor geometries and sealing apparatuses may work with a rotary engines in the execution of various engine cycles including, but not limited to, a high-efficiency hybrid engine cycle.
    Type: Application
    Filed: April 12, 2011
    Publication date: October 13, 2011
    Applicant: LIQUIDPISTON, INC.
    Inventors: Nikolay Shkolnik, Alexander C. Shkolnik, Stephen L. Nabours, Gnana Prakash Gnanam, David Collis Kieke, Yehoram Hofman