Patents by Inventor Hans J. Wutschke

Hans J. Wutschke 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: 4995809
    Abstract: A rotary drum for tumbling a granular product therein for heat transfer or drying with arcuate baffles mounted on the inner surface of the drum with the concave surface of the baffles facing outwardly and the baffles having rims at the ends to restrict discharge of material from the baffles and the baffles being offset circumferentially in a trailing downstream direction with openings through the baffles and an angled downstream edge of certain baffles with other baffles having a portion of the downstream edge removed and the baffles formed in two sections hinged to each other with the ends secured to the inner surface of the drum.
    Type: Grant
    Filed: October 27, 1989
    Date of Patent: February 26, 1991
    Assignee: Kloeckner-Humboldt-Deutz Aktiengesellschaft
    Inventors: Ralf Filges, Fred Klotmann, Hans J. Wutschke