Patents by Inventor Ray B. Edwards

Ray B. Edwards 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).

  • Intermeshing gear rotary engine with valved inlet
    Patent number: 4144004
    Abstract: A positive displacement engine utilizing interlocking vaned rotors and providing for the virtually complete exclusion of spent vapors following the expansion cycle.
    Type: Grant
    Filed: September 29, 1977
    Date of Patent: March 13, 1979
    Inventor: Ray B. Edwards