Patents by Inventor Brian E. Beal

Brian E. Beal 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).

  • Helicon hall thruster
    Patent number: 7436122
    Abstract: Atoms of a propellant gas are ionized in a helicon plasma source, preferably in an annular area between inner and outer cylinders. The annular ionization area is aligned with an annular acceleration stage similar to the electrical-magnetic acceleration stage of a Hall effect thruster.
    Type: Grant
    Filed: May 18, 2006
    Date of Patent: October 14, 2008
    Assignee: Aerojet-General Corporation
    Inventors: Brian E. Beal, Roger M. Myers, Kristi H. de Grys, Alfred C. Wilson