Patents by Inventor Dietmar Dehn

Dietmar Dehn 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).

  • Control of plastics extrusion
    Patent number: 4249876
    Abstract: An extruder control arrangement in which the time taken to deliver a known quantity of extrudate is maintained within closely controlled limits by feedback circuit which controls the rate at which plastics material is fed to the extruder.
    Type: Grant
    Filed: May 10, 1979
    Date of Patent: February 10, 1981
    Assignee: EMI Electrola Gesellschaft mit beschrankter Haftung
    Inventors: Hermann Strausfeld, Herbert Schloesser, Dietmar Dehn