Patents by Inventor Hans M. Sulzbach

Hans M. Sulzbach 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).

  • Device to produce molded plastic parts from a flowable reaction mixture
    Patent number: 4895503
    Abstract: To avoid contaminating the sprue runner which leads from the mixing device to the molding cavity of a molding tool for the production of molded plastic, especially foam plastic, parts, an insertable lining is placed in the sprue runner and can be removed along with the molded part.
    Type: Grant
    Filed: October 18, 1988
    Date of Patent: January 23, 1990
    Assignee: Maschinenfabrik Hennecke GmbH
    Inventors: Ferdinand Proska, Hans M. Sulzbach, Ferdinand Althausen, Reiner Raffel