Patents by Inventor Niklas OEFNER

Niklas OEFNER 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).

  • EXHAUST GAS SYSTEM FOR PREDOMINANTLY STOICHIOMETRICALLY OPERATED INTERNAL COMBUSTION ENGINES, COMPRISING A CATALYST FOR REDUCING AMMONIA EMISSIONS
    Publication number: 20250312739
    Abstract: The present invention is directed to an exhaust gas system for reducing exhaust gas emissions and in particular ammonia emissions in the exhaust gas train of a predominantly stoichiometrically operated spark ignition engine.
    Type: Application
    Filed: April 2, 2025
    Publication date: October 9, 2025
    Applicant: UMICORE AG & CO. KG
    Inventors: Julius KOEGEL, Massimo COLOMBO, Sonja BUCHBERGER, Marcus SCHMIDT, Niklas OEFNER
  • SHAPED CATALYST BODY IN THE FORM OF TETRALOBES HAVING A CENTRAL THROUGH-PASSAGE
    Publication number: 20200398255
    Abstract: The invention relates to a shaped catalyst body in the form of a tetralobe having four outer through-passages and a ratio of diameter to height of the shaped body of from 0.25 to 1.0 and having a central fifth through-passage. It is used for the oxidation of S02 to S03.
    Type: Application
    Filed: February 28, 2019
    Publication date: December 24, 2020
    Inventors: Marco Oskar KENNEMA, Gerald NIEFER, Niklas OEFNER, Christian WALSDORFF, Juergen ZUEHLKE, Dirk HENSEL, Miguel Angel ROMERO VALLE, Holger BORCHERT