Patents by Inventor Julien C. Sprott

Julien C. Sprott 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).

  • Plasma digital density determining device
    Patent number: 3952246
    Abstract: The density of a decaying plasma in an electrically conducting enclosure is determined by applying an excitation to the cavity formed by the enclosure and counting digitally the number of resonant frequencies traversed by the combination of the cavity and the decaying plasma.
    Type: Grant
    Filed: May 29, 1975
    Date of Patent: April 20, 1976
    Assignee: The United States of America as represented by the United States Energy Research and Development Administration
    Inventors: Julien C. Sprott, Thomas W. Lovell, Donald J. Holly