Patents by Inventor Hans-Hermann Jurgens

Hans-Hermann Jurgens 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).

  • Device for the heat treatment of bulk material
    Patent number: 4058907
    Abstract: A device for the heat treatment of bulk material comprising a horizontal trough-shaped container having a driven shaft extending longitudinally therethrough on which shaft are mounted radially extending arms on which are provided mixing tools and heat exchange plates removably suspended in the container between the mixing tools. A heating or cooling medium can be passed through the plates to heat or cool the bulk material.
    Type: Grant
    Filed: October 22, 1975
    Date of Patent: November 22, 1977
    Assignee: Firma Gebr. Lodige Maschinenbau-Gesellschaft mbH
    Inventors: Eberhard Lipp, Hans-Hermann Jurgens