Patents by Inventor Thomas Schwertmann

Thomas Schwertmann 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).

  • Mixed powder containing a carbon compound
    Patent number: 6352956
    Abstract: A powder comprises a mixture of up to 40 weight percent activated cokes and inert materials. In the mixture, at least one of the inert material components is matched in terms of its grain size distribution to the grain size distribution of the activated coke component so that in a gas medium at rest, the speed of vertical descent of the coarse grain of the inert material component is substantially equal to the speed of vertical descent of the coarse grain of the activated coke component.
    Type: Grant
    Filed: July 19, 1999
    Date of Patent: March 5, 2002
    Assignee: Rheinkalk GmbH & Co. KG
    Inventors: Ekkehard Kienow, Bernd Morun, Thomas Schwertmann, Heinz Hoberg
  • Method for the cleaning of exhaust gas and prevention of explosions therein
    Patent number: 6074620
    Abstract: A powdered medium for the cleaning of exhaust gases, e,g.
    Type: Grant
    Filed: October 5, 1994
    Date of Patent: June 13, 2000
    Assignee: Rheinische Kalksteinwerke GmbH
    Inventors: Ekkehard Kienow, Bernd Morun, Thomas Schwertmann, Heinz Hoberg