Patents by Inventor Nathan E. Ballou

Nathan E. Ballou 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).

  • Hollow electrode plasma excitation source
    Patent number: 5105123
    Abstract: A plasma source incorporates a furnace as a hollow anode, while a coaxial cathode is disposed therewithin. The source is located in a housing provided with an ionizable gas such that a glow discharge is produced between anode and cathode. Radiation or ionic emission from the glow discharge characterizes a sample placed within the furnace and heated to elevated temperatures.
    Type: Grant
    Filed: October 10, 1990
    Date of Patent: April 14, 1992
    Assignee: Battelle Memorial Institute
    Inventor: Nathan E. Ballou