Patents by Inventor Ian Russell Clarkson

Ian Russell Clarkson 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: 5814821
    Abstract: A mobile irradiation device for providing either energetic electrons or short wavelength photons, i.e., gamma ray and/or x-rays has a photocathode, a laser for illuminating the photocathode and a radio-frequency electron gun for accelerating electrons emitted from the laser illuminated photocathode. A quadrupole magnet triple facilitates focusing of energetic electrons onto the target or the material to be irradiated.
    Type: Grant
    Filed: November 26, 1996
    Date of Patent: September 29, 1998
    Assignee: Northrop Grumman Corporation
    Inventors: Michael Foster Reusch, Ian Russell Clarkson, Alan Murray Melville Todd