Patents by Inventor Dale T. Bradshaw

Dale T. Bradshaw 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).

  • Method and apparatus for managing ultracapacitor energy storage systems for a power transmission system
    Patent number: 7633284
    Abstract: A method and apparatus for automatically monitoring and controlling various parameters of individual ultracapacitor cells in a series string of such cells. These parameters are monitored, and a replacement charge current is delivered to any cell which has lost charge due to discharge either external or internal to the cell. Also, the application of this method and apparatus to energy storage systems for an electrical power transmission grid.
    Type: Grant
    Filed: March 8, 2006
    Date of Patent: December 15, 2009
    Assignee: Tennessee Valley Authority
    Inventors: Michael R. Ingram, Dale T. Bradshaw, Thomas D. Geist, Haresh Kamath, Arshad Mansoor, Doni Nastasi, Scott Bunton
  • Compositions with nano-particle size conductive material powder and methods of using same for transferring heat between a heat source and a heat sink
    Patent number: 7390428
    Abstract: A heat transfer composition and methods for using same to transfer heat in a transformer. In one embodiment, a heat transfer composition has soy-based oil, an additive comprising a nano-particle size diamond powder characterized by a first mass, and a chemical agent characterized by a second mass, wherein the ratio of the second mass to the first mass is greater than one.
    Type: Grant
    Filed: December 7, 2004
    Date of Patent: June 24, 2008
    Assignees: Vandervilt University, Tenneessee Valley Authority
    Inventors: Jimmy L. Davidson, Dale T. Bradshaw
  • Compositions with nano-particle size diamond powder and methods of using same for transferring heat between a heat source and a heat sink
    Patent number: 6858157
    Abstract: A heat transfer composition and methods for using same to transfer heat in a transformer. In one embodiment, a heat transfer composition has soy-based oil, an additive comprising a nano-particle size diamond powder characterized by a first mass, and a chemical agent characterized by a second mass, wherein the ratio of the second mass to the first mass is greater than one.
    Type: Grant
    Filed: April 17, 2003
    Date of Patent: February 22, 2005
    Assignee: Vnaderbilt University
    Inventors: Jimmy L. Davidson, Dale T. Bradshaw
  • Compositions with nano-particle size conductive material powder and methods of using same for transferring heat between a heat source and a heat sink
    Publication number: 20040206491
    Abstract: A heat transfer composition and methods for using same to transfer heat in a transformer. In one embodiment, a heat transfer composition has soy-based oil, an additive comprising a nano-particle size diamond powder characterized by a first mass, and a chemical agent characterized by a second mass, wherein the ratio of the second mass to the first mass is greater than one.
    Type: Application
    Filed: April 17, 2003
    Publication date: October 21, 2004
    Applicant: Vanderbilt University and Tennessee Valley Authority
    Inventors: Jimmy L. Davidson, Dale T. Bradshaw