Patents by Inventor Armin Fröhlich

Armin Fröhlich 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 the reduction of NOX emissions
    Patent number: 6296820
    Abstract: A method and an apparatus to reduce NOx emissions in the exhaust gas from installations that form NOx as a result of combustion processes, such as the production of cement clinker, in which the NOx decomposition occurs in the temperature range from approximately 450° C. to approximately 850° C. and in an oxidizing atmosphere with a fuel-air ratio (Lambda) approximately equal to 1.
    Type: Grant
    Filed: October 22, 1998
    Date of Patent: October 2, 2001
    Assignee: Rheinkalk GmbH & Co. KG
    Inventors: Armin Fröhlich, Maria Regina Mönnig, Siegfried Happrich