Patents by Inventor Ulrich Renz

Ulrich Renz 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: 6168763
    Abstract: An electrically heatable catalytic converter for the cleaning of exhaust gas from combustion processes, preferably from internal combustion engines, comprising a shell and a carrier located inside the shell, preferably with a multitude of parallel channels through which the exhaust gas being cleaned can flow, where the carrier exhibits at least one layer that is catalytically active in relation to the exhaust gas, and where, furthermore, at least a portion of the surface of the carrier exhibits at least one electrically conductive resistance heating layer with electrical connection areas, which is insulated against the carrier by means of an insulation layer, and with at least one connection element that contacts the resistance heating layer in the electrical connection areas, is easily manufactured and reliable during operation if at least one connection element runs through the resistance heating layer and the insulation layer, as well as the carrier.
    Type: Grant
    Filed: May 29, 1998
    Date of Patent: January 2, 2001
    Assignee: Heraeus Electro-Nite International N.V.
    Inventors: Uwe Hotz, Ulrich Renz