Patents by Inventor Roger L. Sogge

Roger L. Sogge 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).

  • Roto-reciprocating engine
    Patent number: 3990406
    Abstract: The invention relates to a roto-reciprocating engine combining the reciprocating principle with rotary movement by using an orbiting non-rotating piston and sliding chamber seals to form positive displacement chambers distributed radially around the crankshaft.
    Type: Grant
    Filed: April 14, 1975
    Date of Patent: November 9, 1976
    Inventor: Roger L. Sogge