Patents by Inventor Dieter Knetsch

Dieter Knetsch 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).

  • Method and device for the catalytic cleaning of exhaust gases of internal combustion engines
    Patent number: 5133944
    Abstract: A catalyst carrier body of flat and corrugated metal strips is arranged in layers mounted in a metallic housing which can be easily manufactured and is suitable for mechanical and thermal stresses, as well as a process for its manufacture. The catalyst carrier comprises an anticlockwise folded coil form which is pressed into the desired final shape and is encased in a metallic jacket.
    Type: Grant
    Filed: March 13, 1989
    Date of Patent: July 28, 1992
    Assignee: J. Eberspacher
    Inventors: Dieter Knetsch, Thomas Ullmann