Patents by Inventor Martin Votsmeir

Martin Votsmeir 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: 7310940
    Abstract: The invention relates to a method and an apparatus of operating a drive system comprising an engine and an exhaust gas purification unit containing a catalyst, where the engine emits an exhaust gas having an exhaust gas temperature and the catalyst has a catalytic activity for the purification of the exhaust gas. In the method, an aging-induced decrease in the catalytic activity of the catalyst is compensated at least part of the time by increasing the exhaust gas temperature of the engine.
    Type: Grant
    Filed: May 18, 2004
    Date of Patent: December 25, 2007
    Assignee: Umicore AG & Co. KG
    Inventors: Jürgen Gieshoff, Martin Votsmeir, Stephan Malmberg, Egbert Lox, Thomas Kreuzer
  • Publication number: 20070006570
    Abstract: The invention relates to a method and an apparatus of operating a drive system comprising an engine and an exhaust gas purification unit containing a catalyst, where the engine emits an exhaust gas having an exhaust gas temperature and the catalyst has a catalytic activity for the purification of the exhaust gas. In the method, an aging-induced decrease in the catalytic activity of the catalyst is compensated at least part of the time by increasing the exhaust gas temperature of the engine.
    Type: Application
    Filed: May 18, 2004
    Publication date: January 11, 2007
    Applicant: UMICORE AG & CO. KG
    Inventors: Jurgen Gieshoff, Martin Votsmeir, Stephan Malmberg, Egbert Lox, Thomas Kreuzer