Patents by Inventor Dean S. Hallmark

Dean S. Hallmark 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).

  • System and method for improving a battery cell
    Patent number: 10938077
    Abstract: A system includes a battery cell and a graphene layer positioned on an outer surface of the battery cell. If the battery cell experiences a thermal runaway event, the graphene layer may help to direct any rupturing of the battery cell in a direction that may prevent the thermal runaway event from propagating to neighboring battery cells.
    Type: Grant
    Filed: January 8, 2019
    Date of Patent: March 2, 2021
    Assignee: THE BOEING COMPANY
    Inventors: Gregory R. Day, David E. Hall, Dean S. Hallmark
  • SYSTEM AND METHOD FOR IMPROVING A BATTERY CELL
    Publication number: 20200220121
    Abstract: A system includes a battery cell and a graphene layer positioned on an outer surface of the battery cell. If the battery cell experiences a thermal runaway event, the graphene layer may help to direct any rupturing of the battery cell in a direction that may prevent the thermal runaway event from propagating to neighboring battery cells.
    Type: Application
    Filed: January 8, 2019
    Publication date: July 9, 2020
    Inventors: Gregory R. Day, David E. Hall, Dean S. Hallmark