Patents by Inventor H. D. Wright

H. D. Wright 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).

  • Rotary piston engine
    Publication number: 20060150946
    Abstract: A rotary piston engine having a main rotor, a power rotor, and an exhaust rotor which is capable of carrying out intake, compression, combustion, and exhaust simultaneously.
    Type: Application
    Filed: January 11, 2006
    Publication date: July 13, 2006
    Inventor: H. D. Wright