Patents by Inventor Napoleon P. Boretti

Napoleon P. Boretti 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).

  • Silencer for gas discharge devices
    Patent number: 6109387
    Abstract: Silencer for gas discharge device employing easily replaceable cartridge utilizing juxtapositioned layers of wire mesh and porous resilient material which dissipate the energy stored in an exhaust system and deflect under pressure of the exhaust gases to provide a self cleaning function and a cylindrical liner mounted within the cartridge comprising the same or larger wire mesh and wire diameter size than used in the cartridge for capturing the large particles of the exhaust gases before they pass through the layers of wire mesh forming the cartridge.
    Type: Grant
    Filed: July 19, 1999
    Date of Patent: August 29, 2000
    Inventor: Napoleon P. Boretti
  • Silencer for gas discharge devices
    Patent number: 4316523
    Abstract: Silencers for gas discharge devices employing easily replaceable cartridges utilizing juxtapositioned layers of wire mesh and porous absorbed material which dissipate exhaust noises of an exhaust system and deflect under pressure of the exhaust gases to provide a self cleaning function.
    Type: Grant
    Filed: June 4, 1980
    Date of Patent: February 23, 1982
    Inventor: Napoleon P. Boretti