Patents by Inventor George L. Roehr

George L. Roehr 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).

  • Molding apparatus with positive collapse core
    Patent number: 4456214
    Abstract: A molding core has side by side segments assembled for rocking about pivots intermediate their ends, and are rocked to their alternate positions by an actuating pin (or pins) having camming surfaces for that purpose, arranged for non-interference of the pin with the rocking movements of the segments.
    Type: Grant
    Filed: December 6, 1982
    Date of Patent: June 26, 1984
    Assignee: Roehr Tool Corporation
    Inventors: Wilf Ruck, Brian Russell, George L. Roehr, Paul R. Catalanotti