Patents by Inventor Roy Mast

Roy Mast 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).

  • Low voltage cutoff circuit for an electrochemical cell
    Patent number: 7586292
    Abstract: The present invention is an electrical circuit that disconnects an electrochemical cell from a load when the cell's voltage descends to a predetermined value. The present invention is also applicable to a battery configuration and its corresponding electrochemical cells. The predetermined value is designed to decrease the chance that the cell or battery will become unstable while connected to the load.
    Type: Grant
    Filed: April 11, 2006
    Date of Patent: September 8, 2009
    Assignee: Electrochem Solutions, Inc.
    Inventors: Wesley Wakefield, Roy Mast, Troy Dayton, James Stawitzky