Patents by Inventor John C. Coppers

John C. Coppers 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).

  • Cell circuit interrupter
    Patent number: 4992344
    Abstract: The invention relates to a galvanic cell having a failsafe circuit interrupter means for electrically isolating one cover terminal of the cell from the cells electrochemical system when the closed end of the container bulges beyond a predetermined amount in response to internal pressure buildup.
    Type: Grant
    Filed: May 11, 1989
    Date of Patent: February 12, 1991
    Assignee: Eveready Battery Company, Inc.
    Inventor: John C. Coppers