Patents by Inventor Charles Frederick Clark, Jr.

Charles Frederick Clark, Jr. 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).

  • Capacitive energy storage device
    Patent number: 6690567
    Abstract: A capacitive energy storage device is provided with specialized dielectric materials. In accordance with one embodiment of the present invention, a multilayer structure capacitive energy storage device is provided with a plurality of electrode layers and a plurality of dielectric layers. Respective ones of the dielectric layers are interposed between a selected pair of the plurality of electrode layers. The dielectric layers include a combination of materials as follows PbMgxNbyOz+SrTiO3.
    Type: Grant
    Filed: September 26, 2002
    Date of Patent: February 10, 2004
    Assignee: Ceramphysics, Inc.
    Inventors: William N. Lawless, Charles Frederick Clark, Jr.
  • Capacitive energy storage device and method of producing the same
    Patent number: 6411491
    Abstract: A capacitive energy storage device for use at cryogenic temperatures is provided including first and second electrode layers having a layer of dielectric material there between. The electrode layers include an electrically conductive material having a formula selected from YBa2Cu3Ox and Bi2Ca2Sr2Cu3Oy. A method of storing electrical charge in a capacitive energy storage device is also provided.
    Type: Grant
    Filed: July 27, 2001
    Date of Patent: June 25, 2002
    Assignee: CeramPhysics, Inc.
    Inventors: William Nicholas Lawless, Charles Frederick Clark, Jr.