Patents by Inventor E. Bernel Sawyer

E. Bernel Sawyer 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).

  • Pressure relief panel assembly
    Patent number: 5036632
    Abstract: A pressure relief panel assembly including a single rupture panel is provided. The rupture panel includes a domed portion connected to a peripheral flat flange portion and has at least one slit formed therein defining a hinged blow-out part. The hinged blow-out part is connected to the remaining part of the rupture panel by an unslit hinge area and a plurality of rupture tabs.
    Type: Grant
    Filed: May 14, 1990
    Date of Patent: August 6, 1991
    Assignee: BS&B Safety Systems, Inc.
    Inventors: Edward H. Short, III, Mitchel L. Rooker, E. Bernel Sawyer