Patents by Inventor Robert Jon Littmann

Robert Jon Littmann 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).

  • Economical hybrid fuel
    Publication number: 20120067304
    Abstract: One embodiment of an improved method for reducing engine system (10) fuel requirement comprised of recovering engine (12) waste energy (30) and of converting (60) engine waste energy (30) into usable energy (64)(66); and, a means of re-introducing usable energy into engine (12), whereby engine primary fuel requirement is reduced and air emissions diminished. Other embodiments are described and shown.
    Type: Application
    Filed: September 16, 2011
    Publication date: March 22, 2012
    Inventor: Robert Jon Littmann