Patents by Inventor Stefan Eckhoff

Stefan Eckhoff 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 for operating exhaust gas purification systems
    Patent number: 9120057
    Abstract: The invention relates to a method for purifying exhaust gas in vehicles with internal combustion engines. The method is characterized in that exhaust gas coming from the engine (1) is then led past the catalyst(s) (4) near the engine when the engine of the vehicle is not performing positive work.
    Type: Grant
    Filed: December 1, 2011
    Date of Patent: September 1, 2015
    Assignee: UMICORE AG & CO. KG
    Inventor: Stefan Eckhoff
  • Method for Operating Exhaust Gas Purification Systems
    Publication number: 20140314646
    Abstract: The invention relates to a method for purifying exhaust gas in vehicles with internal combustion engines. The method is characterised in that exhaust gas coming from the engine (1) is then led past the catalyst(s) (4) near the engine when the engine of the vehicle is not performing positive work.
    Type: Application
    Filed: December 1, 2011
    Publication date: October 23, 2014
    Applicant: UMICORE AG & CO. KG
    Inventor: Stefan Eckhoff