Patents by Inventor Joel Christeson

Joel Christeson 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).

  • Patent number: 7148613
    Abstract: There is described, for example, a generally cylindrical generator of energetic electrons that releases electrons from a vacuum enclosure into a surrounding space including into the atmosphere where the electrons may be used for a variety of applications including clean up of a flowing gas stream. Described is an efficient electron generator that emits more beam power than past structures in this class of devices and does so in connection with the treatment of gases or surfaces requiring treatment.
    Type: Grant
    Filed: April 13, 2004
    Date of Patent: December 12, 2006
    Assignees: Valence Corporation, Teledyne Technologies Incorporated
    Inventors: Edgar B. Dally, Donald R. Gagne, Robert J. Espinosa, Joel Christeson
  • Publication number: 20050225224
    Abstract: There is described, for example, a generally cylindrical generator of energetic electrons that releases electrons from a vacuum enclosure into a surrounding space including into the atmosphere where the electrons may be used for a variety of applications including clean up of a flowing gas stream. Described is an efficient electron generator that emits more beam power than past structures in this class of devices and does so in connection with the treatment of gases or surfaces requiring treatment.
    Type: Application
    Filed: April 13, 2004
    Publication date: October 13, 2005
    Inventors: Edgar Dally, Donald Gagne, Robert Espinosa, Joel Christeson