Patents by Inventor Brian L. Justus
Brian L. Justus 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).
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Patent number: 11767259Abstract: A copper-doped glass formed by placing a target glass in a container, surrounding the target glass with a powder mixture comprised of SiO2 powder and Cu2S powder, wherein the SiO2 powder and the Cu2S powder are mixed according to the formula (SiO2)(1-x)(Cu2S)x, where 0.01<x<0.1, and heated to a temperature of between 800° C. and 1150° C. for a duration of between 1 and 10 hours.Type: GrantFiled: December 10, 2020Date of Patent: September 26, 2023Assignee: The Government of the United States of America, as represented by the Secretary of the NavyInventors: Brian L. Justus, Alan L. Huston, Barbara A. Marcheschi
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Patent number: 11029428Abstract: Compositions including additive manufacturing materials incorporating radiological detection materials therein are provided. Also provided are apparatus and methods, which may be utilized to monitor and measure nuclear criticality events, and determine if personnel have been exposed to ionizing radiation. The compositions, apparatus, and methods beneficially improve accuracy in assessing radiation exposure, particularly neutron exposure, and reduce degradation of the radiological detection materials.Type: GrantFiled: May 6, 2019Date of Patent: June 8, 2021Assignee: The Government of the United States of America, as represented by the Secretary of the NavyInventors: Luis A. Benevides, Alan L. Huston, Brian L. Justus, Barbara A. Marcheschi
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Patent number: 11028016Abstract: A method of making a copper-doped glass comprising placing a target glass in a container, placing a target glass in a container, surrounding the target glass with a powder mixture comprised of fused silica (SiO2) powder and copper sulfide (Cu2S) powder, such that both the target glass and the surrounding powder are contained in the container, and heating the container and the target glass and the surrounding powder mixture to a temperature of between 800° C. and 1150° C.Type: GrantFiled: October 10, 2018Date of Patent: June 8, 2021Assignee: The Government of the United States of America, as represented by the Secretary of the NavyInventors: Brian L. Justus, Alan L. Huston, Barbara A. Marcheschi
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Publication number: 20210094872Abstract: A copper-doped glass formed by placing a target glass in a container, surrounding the target glass with a powder mixture comprised of SiO2 powder and Cu2S powder, wherein the SiO2 powder and the Cu2S powder are mixed according to the formula (SiO2)(1-x)(Cu2S)x, where 0.01<x<0.1, and heated to a temperature of between 800° C. and 1150° C. for a duration of between 1 and 10 hours.Type: ApplicationFiled: December 10, 2020Publication date: April 1, 2021Applicant: The Government of the United States of America, as represented by the Secretary of the NavyInventors: Brian L. Justus, Alan L. Huston, Barbara A. Marcheschi
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Patent number: 10247848Abstract: A 3Helium gas counter comprising a container, a gas tube within the container, and a mixture of 3Helium and Xenon or a mixture of 3Helium and Krypton. A method of making a 3Helium gas counter comprising providing a container, placing a gas tube within the container, and depositing a mixture of 3Helium and Xenon or a mixture of 3Helium and Krypton into the gas tube.Type: GrantFiled: October 2, 2017Date of Patent: April 2, 2019Assignee: The United States of America, as represented by the Secretary of the NavyInventors: Brian L. Justus, Alan L. Huston, Alan L. Justus
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Publication number: 20190039948Abstract: A method of making a copper-doped glass comprising placing a target glass in a container, placing a target glass in a container, surrounding the target glass with a powder mixture comprised of fused silica (SiO2) powder and copper sulfide (Cu2S) powder, such that both the target glass and the surrounding powder are contained in the container, and heating the container and the target glass and the surrounding powder mixture to a temperature of between 800° C. and 1150° C.Type: ApplicationFiled: October 10, 2018Publication date: February 7, 2019Applicant: The Government of the United States of America, as represented by the Secretary of the NavyInventors: Brian L. Justus, Alan L. Huston, Barbara A. Marcheschi
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Patent number: 10125048Abstract: A copper dopant delivery powder comprising a fused silica powder and a Cu2S powder. A method of making the copper dopant delivery powder. A method of making a copper-doped glass comprising placing a target glass in a container, packing a composite SiO.CuS dopant powder around the target glass and heating the container and SiO.CuS dopant powder to a temperature of between 800° C. and 1150° C. A copper-doped glass comprising a glass comprising copper-doping wherein the copper-doped glass was formed by covering the glass with a fused silica powder and a Cu2S powder, wherein the fused silica powder and the Cu2S powder are mixed in varying ratios of Cu2S to silica represented by the formula (SiO2)(1-x)(Cu2S)x and heating to a temperature of between 800° C. and 1150° C.Type: GrantFiled: February 14, 2017Date of Patent: November 13, 2018Assignee: The United States of America, as represented by the Secretary of the NavyInventors: Brian L. Justus, Alan L. Huston, Barbara A. Marcheschi
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Publication number: 20180045848Abstract: A 3Helium gas counter comprising a container, a gas tube within the container, and a mixture of 3Helium and Xenon or a mixture of 3Helium and Krypton. A method of making a 3Helium gas counter comprising providing a container, placing a gas tube within the container, and depositing a mixture of 3Helium and Xenon or a mixture of 3Helium and Krypton into the gas tube.Type: ApplicationFiled: October 2, 2017Publication date: February 15, 2018Applicant: The Government of the United States of America, as represented by the Secretary of the NavyInventors: Brian L. Justus, Alan L. Huston, Alan L. Justus
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Patent number: 9778392Abstract: A 3Helium gas counter comprising polyethylene slabs, a rectangular gas tube within the polyethylene slabs, and a mixture of 3Helium and Xenon. A 3Helium gas counter comprising polyethylene slabs, a rectangular gas tube within the polyethylene slabs, and a mixture of 3Helium and Krypton. A method of making a 3Helium gas counter comprising providing polyethylene slabs, placing a rectangular gas tube within the polyethylene slabs, and depositing a mixture of 3Helium and Xenon into the rectangular gas tube.Type: GrantFiled: January 8, 2016Date of Patent: October 3, 2017Assignee: The United States of America, as represented by the Secretary of the NavyInventors: Brian L. Justus, Alan L. Huston, Alan L. Justus
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Publication number: 20170240457Abstract: A copper dopant delivery powder comprising a fused silica powder and a Cu2S powder. A method of making the copper dopant delivery powder. A method of making a copper-doped glass comprising placing a target glass in a container, packing a composite SiO.CuS dopant powder around the target glass and heating the container and SiO.CuS dopant powder to a temperature of between 800° C. and 1150° C. A copper-doped glass comprising a glass comprising copper-doping wherein the copper-doped glass was formed by covering the glass with a fused silica powder and a Cu2S powder, wherein the fused silica powder and the Cu2S powder are mixed in varying ratios of Cu2S to silica represented by the formula (SiO2)(1-x)(Cu2S)x and heating to a temperature of between 800° C. and 1150° C.Type: ApplicationFiled: February 14, 2017Publication date: August 24, 2017Applicant: The Government of the United States of America, as represented by the Secretary of the NavyInventors: Brian L. Justus, Alan L. Huston, Barbara A. Marcheschi
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Patent number: 9720112Abstract: A device having: a scintillator material, an optically transparent element containing a glass or polymer and gadolinium oxide, and one or more photomultiplier tubes adjacent to the scintillator material. The optically transparent element is surrounded by the scintillator material.Type: GrantFiled: December 4, 2015Date of Patent: August 1, 2017Assignee: The Government of the United States of America as represented by the Secretary of the NavyInventors: Alan L. Huston, Brian L. Justus, Alan L. Justus
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Publication number: 20160216399Abstract: A 3Helium gas counter comprising polyethylene slabs, a rectangular gas tube within the polyethylene slabs, and a mixture of 3Helium and Xenon. A 3Helium gas counter comprising polyethylene slabs, a rectangular gas tube within the polyethylene slabs, and a mixture of 3Helium and Krypton. A method of making a 3Helium gas counter comprising providing polyethylene slabs, placing a rectangular gas tube within the polyethylene slabs, and depositing a mixture of 3Helium and Xenon into the rectangular gas tube.Type: ApplicationFiled: January 8, 2016Publication date: July 28, 2016Applicant: The Government of the United States of America, as represented by the Secretary of the NavyInventors: Brian L. Justus, Alan L. Huston, Alan L. Justus
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Publication number: 20160091619Abstract: A device having: a scintillator material, an optically transparent element containing a glass or polymer and gadolinium oxide, and one or more photomultiplier tubes adjacent to the scintillator material. The optically transparent element is surrounded by the scintillator material.Type: ApplicationFiled: December 4, 2015Publication date: March 31, 2016Applicant: The Government of the United States of America, as represented by the Secretary of the NavyInventors: Alan L. Huston, Brian L. Justus, Alan L. Justus
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Patent number: 9268030Abstract: An improved thermoluminescence dosimeter (TLD) system, which includes a TLD reader configured to produce data indicative of a radiation exposure, one or more dosimeters comprising a dosimeter substrate coated with a thin layer of a light-absorbing material, a light stimulation source configured to heat the dosimeter using light incident on the dosimeter coating, a light detection system to detect TL emission and an appropriately programmed computer configured to analyze data from the reader and to output data indicative of an extent of radiation exposure.Type: GrantFiled: March 5, 2013Date of Patent: February 23, 2016Assignee: The United States of America, as represented by the Secretary of the NavyInventors: Alan Huston, Brian L. Justus
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Patent number: 9229116Abstract: A device having: a scintillator material, an optically transparent element containing a glass or polymer and gadolinium oxide, and one or more photomultiplier tubes adjacent to the scintillator material. The optically transparent element is surrounded by the scintillator material.Type: GrantFiled: May 26, 2010Date of Patent: January 5, 2016Assignee: The United States of America, as represented by the Secretary of the NavyInventors: Alan L Huston, Brian L Justus, Alan L Justus
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Patent number: 9121948Abstract: An optically stimulated luminescence (OSL) dosimeter system. An OSL reader configured to produce data indicative of a radiation exposure, one or more OSL dosimeters fabricated from a thermoluminescent material, a light stimulation source configured to stimulate the OSL dosimeter to produce luminescence emissions, and a light-detection system that measures the intensity of such luminescence emissions and converts the electrical signal to a binary string that can be processed by an appropriately programmed computer configured to analyze data from the reader and produce data indicative of an extent of radiation exposure. Dose information is obtained without requiring heating of the dosimeter. The dosimeter can be interrogated multiple times with minimal loss of dose information.Type: GrantFiled: March 6, 2014Date of Patent: September 1, 2015Assignee: The United States of America, as represented by the Secretary of the NavyInventors: Barbara A. Marcheschi, Brian L. Justus, Alan L. Huston
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Publication number: 20140264045Abstract: An optically stimulated luminescence (OSL) dosimeter system. An OSL reader configured to produce data indicative of a radiation exposure, one or more OSL dosimeters fabricated from a thermoluminescent material, a light stimulation source configured to stimulate the OSL dosimeter to produce luminescence emissions, and a light-detection system that measures the intensity of such luminescence emissions and converts the electrical signal to a binary string that can be processed by an appropriately programmed computer configured to analyze data from the reader and produce data indicative of an extent of radiation exposure. Dose information is obtained without requiring heating of the dosimeter. The dosimeter can be interrogated multiple times with minimal loss of dose information.Type: ApplicationFiled: March 6, 2014Publication date: September 18, 2014Applicant: The Government of the United States of America, as represented by the Secretary of the NavyInventors: Barbara A. Marcheschi, Brian L. Justus, Alan L. Huston
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Publication number: 20140252230Abstract: An improved thermoluminescence dosimeter (TLD) system, which includes a TLD reader configured to produce data indicative of a radiation exposure, one or more dosimeters comprising a dosimeter substrate coated with a thin layer of a light-absorbing material, a light stimulation source configured to heat the dosimeter using light incident on the dosimeter coating, a light detection system to detect TL emission and an appropriately programmed computer configured to analyze data from the reader and to output data indicative of an extent of radiation exposure.Type: ApplicationFiled: March 5, 2013Publication date: September 11, 2014Applicant: The Government of the United States of America, as represented by the Secretary of the NavyInventors: Alan Huston, Brian L. Justus, Marko Moscovitch
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Patent number: 8723126Abstract: A device having: a scintillator material having an atom having an atomic number of at least 45, and one or more photomultiplier tubes adjacent to the scintillator material.Type: GrantFiled: May 26, 2010Date of Patent: May 13, 2014Assignee: The United States of America, as represented by the Secretary of the NavyInventors: Alan L Huston, Brian L Justus
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Patent number: 8433167Abstract: This invention pertains to a holey fiber and to a fabrication method for making the fiber. The holey fiber can transmit light by total internal reflection or by Bragg diffraction, can be single mode or multimode and can have solid core or a hollow core. The holey fiber has outside diameter typically of 20 microns to 5 mm, a hollow core of a diameter typically of 0.2 micron to 150 microns and longitudinal channels therethrough of a diameter typically of 0.1 micron to 150 microns. The channels are disposed in a desired arrangement with center-to-center distance variation of less than about 2% along the length of the fiber and the cross-section thereof is round that varies less than about 2%.Type: GrantFiled: March 22, 2007Date of Patent: April 30, 2013Assignee: The United States of America, as represented by the Secretary of the NavyInventors: Paul Falkenstein, Brian L Justus