Patents by Inventor Guy H. Bancel

Guy H. Bancel 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).

  • Exhaust device for internal combustion engines
    Patent number: 4226298
    Abstract: An exhaust device is provided comprising a first diverging portion extending into a cylindrical envelope into which is axially displaceably mounted a streamlined conically shaped member adapted to be moved in relationship to the engine rating.
    Type: Grant
    Filed: July 17, 1979
    Date of Patent: October 7, 1980
    Assignee: Guy Henri Bancel
    Inventors: Guy H. Bancel, Francois N. E. Varigas