Patents by Inventor Heinz Gemperlein

Heinz Gemperlein 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).

  • Small volume outlet apparatus with a sieve changing device for multiple shaft screw machines
    Patent number: 4318677
    Abstract: The invention relates to a small volume outlet apparatus for multiple shaft screw machines for highly viscous materials at the discharge end of a multiple shaft screw having a sieve changing device arranged in it.
    Type: Grant
    Filed: August 21, 1979
    Date of Patent: March 9, 1982
    Assignee: Bayer Aktiengesellschaft
    Inventors: Martin Ullrich, Heinz Gemperlein