Patents by Inventor Thomas D. Geist

Thomas D. Geist 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).

  • Connector system for conductive charging of electric vehicle
    Patent number: 11745608
    Abstract: An electrical connector apparatus that magnetically aligns electrical contacts in a suspended magnetic connector with mating electrical contacts in a vehicle magnetic connector and holds the connectors together during an electric vehicle charging process.
    Type: Grant
    Filed: November 16, 2021
    Date of Patent: September 5, 2023
    Assignee: Electric Power Research Institute, Inc.
    Inventors: Thomas D. Geist, Doni J. Nastasi
  • Connector System for Conductive Charging of Electric Vehicle
    Publication number: 20220355682
    Abstract: An electrical connector apparatus that magnetically aligns electrical contacts in a suspended magnetic connector with mating electrical contacts in a vehicle magnetic connector and holds the connectors together during an electric vehicle charging process.
    Type: Application
    Filed: November 16, 2021
    Publication date: November 10, 2022
    Applicant: Electric Power Research Institute, Inc.
    Inventors: Thomas D. Geist, Doni J. Nastasi
  • 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