Patents by Inventor Werner Alken

Werner Alken 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).

  • Filter pack
    Patent number: 4728426
    Abstract: A filter pack for gas and/or liquid filtration employing filter medium surfaces disposed between pairs of spacers, with the spacers having a corrugated configuration and the edges of the corrugations of each spacer preferably being mutually parallel to one another, the improvement wherein the edges of the corrugations of the spacers placed adjacent to the two sides of one filter medium surface are locally oriented at an angle toward one another.
    Type: Grant
    Filed: December 4, 1986
    Date of Patent: March 1, 1988
    Assignee: Kernforschungszentrum Karlsruhe GmbH
    Inventors: Volker Rudinger, Hans Leibold, Ulrich Schlor, Werner Alken