Patents by Inventor Ernst Hasenacker

Ernst Hasenacker 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).

  • Inclined chamber coke oven
    Patent number: 4070251
    Abstract: An inclined chamber has vertical heating flues on each side thereof. The floors of the heating flues are vertically staggered in an inclined manner. Pairs of heating flues are joined at the tops thereof by guide openings which are vertically staggered in an inclined manner. Central and upper air inlet openings extend into the heating flues and are vertically staggered in an inclined manner.
    Type: Grant
    Filed: December 17, 1976
    Date of Patent: January 24, 1978
    Assignee: Didier Engineering GmbH.
    Inventors: Kurt Prange, Friedrich Isermann, Ernst Hasenacker, Manfred Blase