Patents by Inventor Gyula Hanak

Gyula Hanak 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).

  • Press for rendering fatty bones
    Patent number: 4289067
    Abstract: A multistage continuous rotary screw press assembly with the helical or spiral collars, vanes or ribs of each stage within the casing separated from those of an adjacent stage in the direction of material feed through the casing by a transition zone in which fixed material impingement elements, for example, knives, are mounted for dividing the material as it is expressed from one stage to the next adjacent stage in the material feeding direction.
    Type: Grant
    Filed: May 31, 1979
    Date of Patent: September 15, 1981
    Assignee: PB Gelatines
    Inventor: Gyula Hanak