Patents by Inventor Jurgen Thormann

Jurgen Thormann 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 of removing sulphur dioxide from cement kiln exhaust gases
    Patent number: 5927967
    Abstract: A method of removing sulphur dioxide from exhaust gases generated in the production of cement wherein cement raw meal is preheated, ground, and burned in a kiln to form cement clinker which subsequently is cooled and ground. Grinding of the clinker is performed in the presence of preheater exhaust gases containing sulphur dioxide, the cement particles absorbing sulphur dioxide from such exhaust gases.
    Type: Grant
    Filed: November 19, 1997
    Date of Patent: July 27, 1999
    Assignee: E. Schwenk Baustoffwerke KG
    Inventors: Klaus Bauer, Jurgen Thormann, Ludger Lohnherr