Patents by Inventor Roberto Defilippi

Roberto Defilippi 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).

  • Cooling device for a fuel-recirculation circuit from the injection system to the tank of a motor vehicle
    Publication number: 20070034194
    Abstract: A cooling device for a fuel-recirculation circuit from the injection system to the tank of a motor vehicle comprises a pipe, which is designed to be traversed by the fuel and comprises a side wall which has at least one internal projection obtained by plastic deformation of the side wall.
    Type: Application
    Filed: September 17, 2004
    Publication date: February 15, 2007
    Inventors: Roberto Defilippi, Antonio Villano