Patents by Inventor Andrew Curtis Stephan

Andrew Curtis Stephan 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).

  • Composite scintillators for detection of ionizing radiation
    Patent number: 7857993
    Abstract: Applicant's present invention is a composite scintillator having enhanced transparency for detecting ionizing radiation comprising a material having optical transparency wherein said material comprises nano-sized objects having a size in at least one dimension that is less than the wavelength of light emitted by the composite scintillator wherein the composite scintillator is designed to have selected properties suitable for a particular application.
    Type: Grant
    Filed: September 14, 2004
    Date of Patent: December 28, 2010
    Assignees: UT-Battelle, LLC, BWXT Y-12, LLC
    Inventors: Sheng Dai, Andrew Curtis Stephan, Suree S. Brown, Steven A. Wallace, Adam J. Rondinone