Patents by Inventor Marcel Georgin

Marcel Georgin 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).

  • Annular hollow cathode
    Patent number: 11937361
    Abstract: A cathode emitter assembly includes a cathode tube having a gas feed portion and a plasma outflow portion; an outer annular cathode insert in the plasma outflow portion of the cathode tube; an inner cathode insert in the plasma outflow section of the cathode tube; and an annular plasma emission portion defined between an inner surface of the outer annular cathode insert and an outer surface of the inner cathode insert.
    Type: Grant
    Filed: February 9, 2022
    Date of Patent: March 19, 2024
    Assignee: The Government of the United States of America, as represented by the Secretary of the Navy
    Inventors: Michael McDonald, Marcel Georgin