Patents by Inventor Helge Schier

Helge Schier 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 pelletizing polymers
    Patent number: 5650179
    Abstract: An apparatus for pelletizing a polymer melt, in which the polymer melt to be pelletized is divided in a housing of a pelletizing device into at least two part-streams, which are deflected and fed to at least two die plates which are spatially separate from one another and are heatable, whereupon the polymer melt streams are transformed into pellets by the cutting devices downstream of the die plates and are post-treated by means of a cooling medium.
    Type: Grant
    Filed: August 22, 1995
    Date of Patent: July 22, 1997
    Assignee: PCD Polymere Gesellschaft m.b.H.
    Inventor: Helge Schier