Patents by Inventor Aleksandr Rog

Aleksandr Rog 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).

  • Disc screw extruder with free-floating operating member
    Patent number: 5599096
    Abstract: The disc screw extruder employs a free-floating operating member that is so constructed as to attain substantially stable axial positions within the extruder chamber. The disc component cooperates with confronting surfaces to define inner and outer throat zones, extending along the lead-in and lead-out sections of the disc component, the thicknesses of the flow paths through both of the throat zones decreasing in the outward direction of the extruder.
    Type: Grant
    Filed: March 4, 1996
    Date of Patent: February 4, 1997
    Inventor: Aleksandr Rog