Patents by Inventor WILLIAM R. STAGG

WILLIAM R. STAGG 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: 9651680
    Abstract: The present invention relates generally to the field of gamma ray spectroscopy monitoring and a system for accomplishing same to monitor one or more aspects of various isotope production processes. In one embodiment, the present invention relates to a monitoring system, and method of utilizing same, for monitoring one or more aspects of an isotope production process where the monitoring system comprises: (A) at least one sample cell; (B) at least one measuring port; (C) at least one adjustable collimator device; (D) at least one shutter; and (E) at least one high resolution gamma ray spectrometer.
    Type: Grant
    Filed: February 22, 2013
    Date of Patent: May 16, 2017
    Assignee: BWXT Technical Services Group, Inc.
    Inventors: William R Stagg, Timothy A Policke
  • Patent number: 9475706
    Abstract: The present invention relates generally to the field of medical isotope production by fission of uranium-235 and the fuel utilized therein (e.g., the production of suitable Low Enriched Uranium (LEU is uranium having 20 weight percent or less uranium-235) fuel for medical isotope production) and, in particular to a method for producing LEU fuel and a LEU fuel product that is suitable for use in the production of medical isotopes. In one embodiment, the LEU fuel of the present invention is designed to be utilized in an Aqueous Homogeneous Reactor (AHR) for the production of various medical isotopes including, but not limited to, molybdenum-99, cesium-137, iodine-131, strontium-89, xenon-133 and yttrium-90.
    Type: Grant
    Filed: October 24, 2012
    Date of Patent: October 25, 2016
    Assignee: BWXT Technical Services Group, Inc.
    Inventors: Timothy A Policke, Scott B Aase, William R Stagg
  • Publication number: 20140131584
    Abstract: The present invention relates generally to the field of gamma ray spectroscopy monitoring and a system for accomplishing same to monitor one or more aspects of various isotope production processes. In one embodiment, the present invention relates to a monitoring system, and method of utilizing same, for monitoring one or more aspects of an isotope production process where the monitoring system comprises: (A) at least one sample cell; (B) at least one measuring port; (C) at least one adjustable collimator device; (D) at least one shutter; and (E) at least one high resolution gamma ray spectrometer.
    Type: Application
    Filed: February 22, 2013
    Publication date: May 15, 2014
    Inventors: William R. Stagg, Timothy A. Policke
  • Publication number: 20140112858
    Abstract: The present invention relates generally to the field of medical isotope production by fission of uranium-235 and the fuel utilized therein (e.g., the production of suitable Low Enriched Uranium (LEU is uranium having 20 weight percent or less uranium-235) fuel for medical isotope production) and, in particular to a method for producing LEU fuel and a LEU fuel product that is suitable for use in the production of medical isotopes. In one embodiment, the LEU fuel of the present invention is designed to be utilized in an Aqueous Homogeneous Reactor (AHR) for the production of various medical isotopes including, but not limited to, molybdenum-99, cesium-137, iodine-131, strontium-89, xenon-133 and yttrium-90.
    Type: Application
    Filed: October 24, 2012
    Publication date: April 24, 2014
    Applicant: BABCOCK & WILCOX TECHNICAL SERVICES GROUP, INC.
    Inventors: Timothy A. Policke, Scott B. Aase, William R. Stagg
  • Patent number: 8449850
    Abstract: A method for the extraction and purification of molybdenum, the method comprising the steps of: transferring an irradiated fuel solution to an extraction system, the irradiated fuel solution comprising iodine and molybdenum and other fission products, the extraction system comprising at least one sorbent column; passing the irradiated fuel solution upwards through the at least one sorbent-containing extraction column; directing the irradiated fuel solution towards a fuel management system by means of at least one discharge alignment valve; directing the extraction column eluate towards an iodine removal system; removing the iodine from the extraction column eluate; purifying the extraction column eluate; and collecting the purified eluate. Also disclosed is an apparatus for accomplishing the aforementioned method.
    Type: Grant
    Filed: February 17, 2011
    Date of Patent: May 28, 2013
    Assignee: Babcock & Wilcox Technical Services Group, Inc.
    Inventors: Daniel E. Glenn, Scott B. Aase, William R. Stagg
  • Publication number: 20110206579
    Abstract: A method for the extraction and purification of molybdenum, the method comprising the steps of: transferring an irradiated fuel solution to an extraction system, the irradiated fuel solution comprising iodine and molybdenum and other fission products, the extraction system comprising at least one sorbent column; passing the irradiated fuel solution upwards through the at least one sorbent-containing extraction column; directing the irradiated fuel solution towards a fuel management system by means of at least one discharge alignment valve; directing the extraction column eluate towards an iodine removal system; removing the iodine from the extraction column eluate; purifying the extraction column eluate; and collecting the purified eluate. Also disclosed is an apparatus for accomplishing the aforementioned method.
    Type: Application
    Filed: February 17, 2011
    Publication date: August 25, 2011
    Inventors: DANIEL E. GLENN, SCOTT B. AASE, WILLIAM R. STAGG