Patents by Inventor Herbert M. Volker

Herbert M. Volker 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).

  • Patent number: 4134733
    Abstract: A catalytic converter for use in the exhaust line of an internal combustion engine wherein the catalytically active noble metal coating is deposited only on the rearward portion of the inert carrier, with respect to the direction of flow of the exhaust gases, said inert carrier being fully coated with a washcoat capable of absorbing catalyst poisons before application of the catalytically active noble metal coating.
    Type: Grant
    Filed: December 13, 1977
    Date of Patent: January 16, 1979
    Assignee: Deutsche Gold- und Silber-Scheideanstalt vormals Roessler
    Inventors: Herbert M. Volker, Polat Oser, Gerhard Doring, Harald Koch