Patents by Inventor Martin Teigeler

Martin Teigeler 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 and device for nitric oxide reduction in exhaust fumes
    Patent number: 6110435
    Abstract: A process for reducing nitrogen oxides in the exhaust gas of a combustion device, particularly of an internal-combustion engine, includes melting solid pure urea to obtain a molten product, and adding the molten product to the exhaust gas as the reducing agent for reducing nitrogen oxides. The corresponding device includes a device for the controlled liquefaction of solid pure urea and the injection of the molten product into the exhaust gas.
    Type: Grant
    Filed: May 13, 1998
    Date of Patent: August 29, 2000
    Assignee: DaimlerChrysler AG
    Inventors: Wolfgang Lehner, Martin Teigeler, Friedrich Wirbeleit
  • System for injecting nitrogen-oxide-reducing agents into an exhaust stream
    Patent number: 5907950
    Abstract: A method and apparatus for injecting a nitrogen-oxide-reducing agent into an exhaust stream that has an injector unit for controlled injection of a reducing agent into the exhaust stream and an injection element that incorporates a micromechanical spray jet element.
    Type: Grant
    Filed: November 12, 1997
    Date of Patent: June 1, 1999
    Assignee: Daimler-Benz Aktiengesellschaft
    Inventors: Christian Enderle, Alois Raab, Martin Teigeler, Friedrich Wirbeleit