Patents by Inventor Jean Favennec

Jean Favennec 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 manifold with catalytic wall for internal-combustion engines
    Patent number: 5386696
    Abstract: Exhaust manifold for catalytic treatment of the exhaust gases of an internal-combustion engine comprising a metallic outer tube (1) including a catalyst layer (4) in direct contact with the exhaust gases. According to the invention, the manifold also comprises at least one inner tubular element (2), substantially coaxial to said outer tube (1) and providing with the latter at least one space (3), the inner surface of said inner tube (2) being coated by said catalyst layer (4).
    Type: Grant
    Filed: February 16, 1993
    Date of Patent: February 7, 1995
    Assignee: Institut Francais du Petrole
    Inventors: Michel Prigent, Daniel Durand, Jean Favennec