Patents by Inventor Klaus A. Sturmann

Klaus A. Sturmann 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: 4162979
    Abstract: A device for the chemical and/or physical treatment of liquids which comprises a flowthrough vessel having an inlet and an outlet and is receptive of a treatment agent therebetween. The vessel comprises a substantially cylindrical tube having one end at the outlet and a conically widening tube section connected to the other end of the cylindrical tube. A permeable carrier is mounted in the cylindrical tube at the outlet end to support the treatment agent placed in the cylindrical tube.
    Type: Grant
    Filed: October 18, 1977
    Date of Patent: July 31, 1979
    Assignee: Boehringer Mannheim GmbH
    Inventors: August W. Wahlefeld, Siegfried Looser, Klaus A. Sturmann