Patents by Inventor Dieter Wallstein

Dieter Wallstein 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: 4513814
    Abstract: A heat exchanger particularly for cooling of hot smoke gases with aggresive components by clean gas to be heated, has side walls having two spaced ends, bottom walls arranged at the ends of the side walls, a plurality of glass pipes extending substantially parallel to each other and to the side walls and arranged so that a smoke gas passes through the glass pipes, while a clean gas passes transversely to the latter, and flow passages extending along the side walls in direction of glass pipes and arranged for guiding the smoke gas.
    Type: Grant
    Filed: October 27, 1982
    Date of Patent: April 30, 1985
    Assignee: Langbein & Engelbracht GmbH & Co. KG
    Inventor: Dieter Wallstein