Patents by Inventor Erwin Koren

Erwin Koren 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 improving gravity dehydration in strainer belt presses
    Patent number: 4456530
    Abstract: This invention relates to an apparatus for restratifying the filter cake in the strainer zone of strainer belt presses, in particular double strainer sludge dehydrating equipment, comprising one or more monofilament or multifilament cables (9) tensioned transversely or obliquely to the direction of advance of the strainer across the width of the strainer belt (6) and the filter cake (7).
    Type: Grant
    Filed: December 8, 1982
    Date of Patent: June 26, 1984
    Assignee: Maschinenfabrik Andritz Aktiengesellschaft
    Inventors: Peter Eustacchio, Erwin Koren