Patents by Inventor Keith C. Ingermann

Keith C. Ingermann 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).

  • Light-off and close coupled catalyst
    Patent number: 6713025
    Abstract: A light-off and close coupled catalyst assembly for a motor vehicle is provided. The assembly includes a plurality of conically shaped catalysts disposed adjacent to the exhaust ports of a combustion engine. The assembly also includes a main brick catalyst disposed downstream of the conically shaped catalysts. The main brick catalyst includes an angled front face and a conically shaped downstream end.
    Type: Grant
    Filed: September 15, 1999
    Date of Patent: March 30, 2004
    Assignee: DaimlerChrysler Corporation
    Inventors: Cornel Ivanescu, Guy R. Desrochers, Keith C. Ingermann
  • Low thermal capacitance exhaust system for an internal combustion engine
    Patent number: 5331810
    Abstract: A low thermal capacitance exhaust pipe has a plurality of sections connected by an expansion joint to relieve thermal stress.
    Type: Grant
    Filed: May 21, 1992
    Date of Patent: July 26, 1994
    Assignee: Arvin Industries, Inc.
    Inventors: Keith C. Ingermann, Robert T. Usleman