Patents by Inventor Dean A. Frickey

Dean A. Frickey 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).

  • Apparatus configured for identification of a material and method of identifying a material
    Patent number: 6225630
    Abstract: The present invention relates to an apparatus configured for identification of a material and method of identifying a material. One embodiment of the present invention provides an apparatus configured for identification of a material including a first region configured to receive a first sample and output a first spectrum responsive to exposure of the first sample to radiation; a signal generator configured to provide a reference signal having a reference frequency and a modulation signal having a modulation frequency; a modulator configured to selectively modulate the first spectrum using the modulation signal according to the reference frequency; a second region configured to receive a second sample and output a second spectrum responsive to exposure of the second sample to the first spectrum; and a detector configured to detect the second spectrum.
    Type: Grant
    Filed: December 3, 1998
    Date of Patent: May 1, 2001
    Assignee: Bechtel BWXT Idaho, LLC
    Inventors: John M. Slater, Thomas M. Crawford, Dean A. Frickey