Patents by Inventor John Lefkus

John Lefkus 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).

  • Publication number: 20240379254
    Abstract: The present disclosure, in an embodiment, is a facility that includes a device configured to generate a beam having an energy range of 5 MeV to 500 MeV, a first radiation shielding wall surrounding the device, a second radiation shielding wall surrounding the first radiation shielding wall, radiation shielding fill material positioned between the first radiation shielding wall and the second radiation shielding wall forming a first barrier. In embodiments, the radiation shielding fill material includes at least fifty percent by weight of an element having an atomic number from 12 to 83, and a thickness of the first barrier is 0.5 meter to 6 meters.
    Type: Application
    Filed: July 18, 2024
    Publication date: November 14, 2024
    Applicant: Rad Technology Medical Systems LLC
    Inventors: John FORD, Ron JOHNSTON, Cynthia KEPPEL, Pawel AMBROZEWICZ, Eric LANDAU, Cheri OQUIST, John LEFKUS
  • Patent number: 12073954
    Abstract: The present disclosure, in an embodiment, is a facility that includes a device configured to generate a beam having an energy range of 5 MeV to 500 MeV, a first radiation shielding wall surrounding the device, a second radiation shielding wall surrounding the first radiation shielding wall, radiation shielding fill material positioned between the first radiation shielding wall and the second radiation shielding wall forming a first barrier. In embodiments, the radiation shielding fill material includes at least fifty percent by weight of an element having an atomic number from 12 to 83, and a thickness of the first barrier is 0.5 meter to 6 meters.
    Type: Grant
    Filed: December 7, 2022
    Date of Patent: August 27, 2024
    Assignee: Rad Technology Medical Systems LLC
    Inventors: John Ford, Ron Johnston, Cynthia Keppel, Pawel Ambrozewicz, Eric Landau, Cheri Oquist, John Lefkus
  • Patent number: 11851872
    Abstract: A shielding system includes a plurality of transportable modules, wall panels, or pods that are connectable to form a containment area and to define a radiation barrier. Each of the plurality of transportable modules has a first radiation wall defining the containment area, a second radiation wall spaced apart from the second wall, and a radiation shielding fill material positioned between the first radiation shielding wall and the second radiation shielding wall. The radiation shielding fill material includes one of a superabsorbent polymer (SAP) filling a portion of a void between the first radiation wall and the second radiation wall, or a non-Newtonian fluid completely filling the void between the first radiation wall and the second radiation wall. A quantity of the radiation shielding fill material is sufficient to substantially reduce measurable radiation level outside the containment area.
    Type: Grant
    Filed: September 20, 2022
    Date of Patent: December 26, 2023
    Inventor: John Lefkus
  • Publication number: 20230167637
    Abstract: A shielding system includes a plurality of transportable modules, wall panels, or pods that are connectable to form a containment area and to define a radiation barrier. Each of the plurality of transportable modules has a first radiation wall defining the containment area, a second radiation wall spaced apart from the second wall, and a radiation shielding fill material positioned between the first radiation shielding wall and the second radiation shielding wall. The radiation shielding fill material includes one of a superabsorbent polymer (SAP) filling a portion of a void between the first radiation wall and the second radiation wall, or a non-Newtonian fluid completely filling the void between the first radiation wall and the second radiation wall. A quantity of the radiation shielding fill material is sufficient to substantially reduce measurable radiation level outside the containment area.
    Type: Application
    Filed: September 20, 2022
    Publication date: June 1, 2023
    Inventor: John Lefkus
  • Publication number: 20230104212
    Abstract: The present disclosure, in an embodiment, is a facility that includes a device configured to generate a beam having an energy range of 5 MeV to 500 MeV, a first radiation shielding wall surrounding the device, a second radiation shielding wall surrounding the first radiation shielding wall, radiation shielding fill material positioned between the first radiation shielding wall and the second radiation shielding wall forming a first barrier. In embodiments, the radiation shielding fill material includes at least fifty percent by weight of an element having an atomic number from 12 to 83, and a thickness of the first barrier is 0.5 meter to 6 meters.
    Type: Application
    Filed: December 7, 2022
    Publication date: April 6, 2023
    Applicant: Rad Technology Medical Systems LLC
    Inventors: John FORD, Ron JOHNSTON, Cynthia KEPPEL, Pawel AMBROZEWICZ, Eric LANDAU, Cheri OQUIST, John LEFKUS
  • Patent number: 11545275
    Abstract: The present disclosure, in an embodiment, is a facility that includes a device configured to generate a beam having an energy range of 5 MeV to 500 MeV, a first radiation shielding wall surrounding the device, a second radiation shielding wall surrounding the first radiation shielding wall, radiation shielding fill material positioned between the first radiation shielding wall and the second radiation shielding wall forming a first barrier. In embodiments, the radiation shielding fill material includes at least fifty percent by weight of an element having an atomic number from 12 to 83, and a thickness of the first barrier is 0.5 meter to 6 meters.
    Type: Grant
    Filed: May 17, 2021
    Date of Patent: January 3, 2023
    Assignee: Rad Technology Medical Systems LLC
    Inventors: John Ford, Ron Johnston, Cynthia Keppel, Pawel Ambrozewicz, Eric Landau, Cheri Oquist, John Lefkus
  • Patent number: 11479966
    Abstract: A shielding system includes a plurality of transportable modules, wall panels, or pods that are connectable to form a containment area and to define a radiation barrier. Each of the plurality of transportable modules has a first radiation wall defining the containment area, a second radiation wall spaced apart from the second wall, and a radiation shielding fill material positioned between the first radiation shielding wall and the second radiation shielding wall. The radiation shielding fill material includes one of a superabsorbent polymer (SAP) filling a portion of a void between the first radiation wall and the second radiation wall, or a non-Newtonian fluid completely filling the void between the first radiation wall and the second radiation wall. A quantity of the radiation shielding fill material is sufficient to substantially reduce measurable radiation level outside the containment area.
    Type: Grant
    Filed: July 30, 2021
    Date of Patent: October 25, 2022
    Inventor: John Lefkus
  • Patent number: 11437160
    Abstract: The present disclosure, in an embodiment, is a facility that includes a device configured to generate a beam having an energy range of 5 MeV to 500 MeV, a first radiation shielding wall surrounding the device, a second radiation shielding wall surrounding the first radiation shielding wall, radiation shielding fill material positioned between the first radiation shielding wall and the second radiation shielding wall forming a first barrier. In embodiments, the radiation shielding fill material includes at least fifty percent by weight of an element having an atomic number from 12 to 83, and a thickness of the first barrier is 0.5 meter to 6 meters.
    Type: Grant
    Filed: November 13, 2020
    Date of Patent: September 6, 2022
    Assignee: RAD TECHNOLOGY MEDICAL SYSTEMS, LLC
    Inventors: John Ford, Ron Johnston, Cynthia Keppel, Pawel Ambrozewicz, Eric Landau, Cheri Oquist, John Lefkus
  • Publication number: 20220034084
    Abstract: A shielding system includes a plurality of transportable modules, wall panels, or pods that are connectable to form a containment area and to define a radiation barrier. Each of the plurality of transportable modules has a first radiation wall defining the containment area, a second radiation wall spaced apart from the second wall, and a radiation shielding fill material positioned between the first radiation shielding wall and the second radiation shielding wall. The radiation shielding fill material includes one of a superabsorbent polymer (SAP) filling a portion of a void between the first radiation wall and the second radiation wall, or a non-Newtonian fluid completely filling the void between the first radiation wall and the second radiation wall. A quantity of the radiation shielding fill material is sufficient to substantially reduce measurable radiation level outside the containment area.
    Type: Application
    Filed: July 30, 2021
    Publication date: February 3, 2022
    Inventor: John Lefkus
  • Publication number: 20210383938
    Abstract: The present disclosure, in an embodiment, is a facility that includes a device configured to generate a beam having an energy range of 5 MeV to 500 MeV, a first radiation shielding wall surrounding the device, a second radiation shielding wall surrounding the first radiation shielding wall, radiation shielding fill material positioned between the first radiation shielding wall and the second radiation shielding wall forming a first barrier. In embodiments, the radiation shielding fill material includes at least fifty percent by weight of an element having an atomic number from 12 to 83, and a thickness of the first barrier is 0.5 meter to 6 meters.
    Type: Application
    Filed: May 17, 2021
    Publication date: December 9, 2021
    Inventors: John FORD, Ron JOHNSTON, Cynthia KEPPEL, Pawel AMBROZEWICZ, Eric LANDAU, Cheri OQUIST, John LEFKUS
  • Publication number: 20210098147
    Abstract: The present disclosure, in an embodiment, is a facility that includes a device configured to generate a beam having an energy range of 5 MeV to 500 MeV, a first radiation shielding wall surrounding the device, a second radiation shielding wall surrounding the first radiation shielding wall, radiation shielding fill material positioned between the first radiation shielding wall and the second radiation shielding wall forming a first barrier. In embodiments, the radiation shielding fill material includes at least fifty percent by weight of an element having an atomic number from 12 to 83, and a thickness of the first barrier is 0.5 meter to 6 meters.
    Type: Application
    Filed: November 13, 2020
    Publication date: April 1, 2021
    Inventors: John FORD, Ron JOHNSTON, Cynthia KEPPEL, Pawel AMBROZEWICZ, Eric LANDAU, Cheri OQUIST, John LEFKUS
  • Patent number: 10878974
    Abstract: The present disclosure, in an embodiment, is a facility that includes a device configured to generate a beam having an energy range of 5 MeV to 500 MeV, a first radiation shielding wall surrounding the device, a second radiation shielding wall surrounding the first radiation shielding wall, radiation shielding fill material positioned between the first radiation shielding wall and the second radiation shielding wall forming a first barrier. In embodiments, the radiation shielding fill material includes at least fifty percent by weight of an element having an atomic number from 12 to 83, and a thickness of the first barrier is 0.5 meter to 6 meters.
    Type: Grant
    Filed: December 13, 2019
    Date of Patent: December 29, 2020
    Assignee: RAD Technology Medical Systems, LLC
    Inventors: John Ford, Ron Johnston, Cynthia Keppel, Pawel Ambrozewicz, Eric Landau, Cheri Oquist, John Lefkus
  • Publication number: 20200194139
    Abstract: The present disclosure, in an embodiment, is a facility that includes a device configured to generate a beam having an energy range of 5 MeV to 500 MeV, a first radiation shielding wall surrounding the device, a second radiation shielding wall surrounding the first radiation shielding wall, radiation shielding fill material positioned between the first radiation shielding wall and the second radiation shielding wall forming a first barrier. In embodiments, the radiation shielding fill material includes at least fifty percent by weight of an element having an atomic number from 12 to 83, and a thickness of the first barrier is 0.5 meter to 6 meters.
    Type: Application
    Filed: December 13, 2019
    Publication date: June 18, 2020
    Inventors: John Ford, Ron Johnston, Cynthia Keppel, Pawel Ambrozewicz, Eric Landau, Cheri Oquist, John Lefkus