Patents by Inventor Josef W. Brummer

Josef W. Brummer 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).

  • Apparatus for the comminution and grinding of brittle grinding stock, particularly of damp initial material
    Patent number: 4728044
    Abstract: For reducing the specific energy outlay in the grinding-drying of damp initial material, a circulating grinding system including a comminution machine, particularly an impact hammer, which is followed, via a sifter, by a high-pressure roll press operated in accord with the principle of product bed comminution, whereby the product admission of an impact hammer mill is connected to the feed for fresh initial material and the product discharge of a roll press is in communication with a product admission and/or with a product discharge of an impact hammer mill.
    Type: Grant
    Filed: October 29, 1986
    Date of Patent: March 1, 1988
    Assignee: Klockner-Humboldt-Deutz Aktiengesellschaft
    Inventors: Helmut Duill, Josef W. Brummer