Patents by Inventor Pietro Serravalle

Pietro Serravalle 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).

  • Propane powered lawn equipment
    Patent number: 5884460
    Abstract: A propane powered piece of lawn equipment (10) comprising an engine (12) on the piece of lawn equipment (10). A facility (14) is carried on the piece of lawn equipment (10), for holding non-pollutant propane gas. A component (16) is for delivering the non-pollutant propane gas from the holding facility (14) to the engine (12), to operate the engine (12) and run the piece of lawn equipment (10) for a cleaner atmospheric environment.
    Type: Grant
    Filed: January 6, 1997
    Date of Patent: March 23, 1999
    Inventors: Robert P. Serravalle, Pietro Serravalle