Patents by Inventor Eduardo Ayala Vargas

Eduardo Ayala Vargas 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).

  • Self starting internal combustion engine with means for changing the expansion ratio
    Patent number: 4149370
    Abstract: A reciprocating internal combustion engine adapted to provide a selfstarting, controlled expansion and a substantially constant volume combustion in combustion chambers separated from the engine compression and expansion cylinders of the engine.
    Type: Grant
    Filed: February 28, 1977
    Date of Patent: April 17, 1979
    Inventor: Eduardo Ayala Vargas