Patents by Inventor John G. Dunsmuir

John G. Dunsmuir 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 for filling hollow shells with gas for use as laser fusion targets
    Patent number: 4380855
    Abstract: Hollow shell laser fusion targets, such as glass microballoons, are filled with gases of the type which do not permeate through the wall of the balloon. A hole is laser-drilled in the balloon, a plug is placed over the hole and gas is introduced into the balloon through the loosely plugged hole. Thereafter the plug is melted to form a seal over the hole, entrapping the gas within the target. The plug is, for example, a polymer such as highly crystalline polystyrene, or glass.
    Type: Grant
    Filed: January 18, 1980
    Date of Patent: April 26, 1983
    Assignee: University of Rochester
    Inventors: Harry W. Deckman, Gerald M. Halpern, John G. Dunsmuir