Patents by Inventor Phil D. Bennett

Phil D. Bennett 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).

  • Electrodes for double layer capacitors
    Patent number: 4605989
    Abstract: In double layer capacitors having carbon electrodes, the electrodes contain at least 1%, by weight, of an inert particulate material to reduce the leakage current of the capacitor. The inert particulate material is selected from the group comprising SiO.sub.2, Al.sub.2 O.sub.3, SiC and aluminum silicates.
    Type: Grant
    Filed: August 12, 1985
    Date of Patent: August 12, 1986
    Assignee: The Standard Oil Company
    Inventors: Allen V. Marse, Phil D. Bennett, Donald L. Boos