Patents by Inventor George W. Allvey

George W. Allvey 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).

  • Vent for an electrochemical cell
    Patent number: 4664287
    Abstract: A pressure relief vent on a container includes a flat diaphragm fastened to the exterior of a container so as to cover an opening in the container. The diaphragm is fastened to the container at its perimeter and at at least one point within its perimeter. The shape of the peripheral fastening seam and the number of and size of the point fastenings determine and stabilize the vent pressure at which the diaphragm ruptures.
    Type: Grant
    Filed: March 10, 1986
    Date of Patent: May 12, 1987
    Assignee: Saft America, Inc.
    Inventors: John A. Wilson, Robert J. Staniewicz, Bruce Webber, George W. Allvey