Patents by Inventor John Calvin Mann

John Calvin Mann 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).

  • Assembly for maintaining compression for electrical contact of the active area of an electrochemical cell
    Patent number: 7261798
    Abstract: An electrochemical cell structure has a first fluid chamber and a resilient member disposed in the first fluid chamber. An opening permits communication of fluid into the first fluid chamber. An anode cavity and a cathode cavity are in fluid communication with the fluid chamber through the opening.
    Type: Grant
    Filed: January 28, 2004
    Date of Patent: August 28, 2007
    Assignee: Hamilton Sundstrand Corporation
    Inventor: John Calvin Mann