Patents by Inventor Hans Buggisch

Hans Buggisch 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).

  • Process for extruding a wet material
    Patent number: 5110611
    Abstract: A process and an apparatus for extruding or pressing out a wet material is described, in which the material is forced through a perforated plate, while exerting a pressure. Apart from the contact pressure, the material is subject to the action of a shear force, which acts substantially at right angles to the material conveying direction.
    Type: Grant
    Filed: April 2, 1990
    Date of Patent: May 5, 1992
    Assignee: Werner Stahl
    Inventors: Werner Stahl, Hans Buggisch