Patents by Inventor Boris Falczuk

Boris Falczuk 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).

  • High pressure seal for alkaline cells
    Patent number: 5080985
    Abstract: This invention relates to a seal for a cylindrical alkaline cell. The member includes a metal support having an annular spring disposed at the outer periphery. The spring is placed under compression by a radial crimp and the spring is adapted to expand and contract whereby the seal is maintained during thermal cycling. The member also includes a plastic grommet having an annular vent designed to open at very high pressures whereby said seal member is particularly useful in alkaline cells having little or no mercury whereby high internal pressures can develop.
    Type: Grant
    Filed: December 7, 1989
    Date of Patent: January 14, 1992
    Assignee: Duracell Inc.
    Inventors: Marian Wiacek, Vance R. Shepard, Jr., Robert A. Yoppolo, Robert J. Payne, Peter J. Pope, Boris Falczuk