Patents by Inventor Kirsten Hentschel

Kirsten Hentschel 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: 6185930
    Abstract: A method of reducing pollutants in an exhaust gas of an internal-combustion engine includes the following steps: producing, at a first location, a reactive gas component NO2 from at least one part of the NO content of the exhaust gas by reaction with the oxygen, contained in the exhaust gas, under an energy effect; and reactively converting the NO2 in a pollutant retaining system situated at a second location downstream of the first location as viewed in the flow direction.
    Type: Grant
    Filed: April 9, 1999
    Date of Patent: February 13, 2001
    Assignee: FEV Motorentechnik GmbH
    Inventors: Gerhard Lepperhoff, Hartmut Lüders, Kirsten Hentschel, Bernhard Lüers