Patents by Inventor Peter Pinkas

Peter Pinkas 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).

  • Press diaphragm
    Patent number: 4330250
    Abstract: A press diaphragm for pressing china plates etc. has an edge part designed to be forced inwards on pressing and then to be moved back outwards on letting off the pressure clear of the plate edge. To this end the diaphragm has an edge part, acted upon by a downwardly moving keeper, and has a groove in its upper face. Under the groove the diaphragm is acted upon by hydraulic pressure more than at other positions.
    Type: Grant
    Filed: August 4, 1980
    Date of Patent: May 18, 1982
    Assignee: Dorst-Keramikmaschinen-Bau
    Inventor: Peter Pinkas