Patents by Inventor Roland Strahle

Roland Strahle 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).

  • Heat exchanger
    Patent number: 5345674
    Abstract: In a method of making a heat exchanger having a heat exchanger network with a plurality of tubes and at least one base plate having a plurality of passages for tube ends, the passages in the base plate are triangular, and the tube ends are triangular prior to insertion into the base plate. The triangular tube ends are inserted into the triangular passages in the base plate and thereafter expanded to a tight fit.
    Type: Grant
    Filed: April 2, 1993
    Date of Patent: September 13, 1994
    Assignee: Langerer & Reich GmbH & Co.
    Inventors: Wolfgang Knecht, Roland Strahle, Gerhard Weiss