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| Number | Title | Issue Date |
| 8080808 | Remote detection of explosive substances Apparatus and methods for effectively detecting and locating explosive substances within remote targets, including improvised explosive devices (IEDs). The detection apparatus includes a neutron beam generator, a gamma ray detector, data collection modules and senso... | 12/20/2011 |
| 7919758 | Neutron detector A neutron detector has a volume of neutron moderating material and a plurality of individual neutron sensing elements dispersed at selected locations throughout the moderator, and particularly arranged so that some of the detecting elements are closer to the surface... | 04/05/2011 |
| 7897934 | Process for neutron interrogation of objects in relative motion or of large extent The invention relates to the fact that a common industrial neutron interrogation screening requirement is that a high throughput rate be accommodated by the screening system. The accumulation of elemental abundance ratio spectral data to minimize statistical uncerta... | 03/01/2011 |
| 7573044 | Remote detection of explosive substances Apparatus and method for detecting and locating hidden explosive substances. The detection apparatus includes a thermal neutron beam generator, a gamma ray detector, data collection module and sensors, and a detection processing module. The thermal neutron beam gene... | 08/11/2009 |
| 7430479 | System and method for analyzing content data The system and method provide security and cargo handling personnel a versatile tool to rapidly check cargo for hidden radiological materials, explosives, drugs, and chemical weapons material. Gamma ray emission is stimulated by a pulsed neutron source. The gamma ra... | 09/30/2008 |
| 7423273 | Object examination by delayed neutrons In accordance with an embodiment, a method of examining contents of an object is disclosed comprising conducting a first examination of an object, checking for the presence of delayed neutrons if the first examination indicates that suspect material is present, and ... | 09/09/2008 |
| 7405409 | Neutron irradiative methods and systems A neutron elastic scattering detector device for non-invasively detecting the presence of at least one predetermined element of an object of interest. The detector device comprises a neutron source that simultaneously outputs, at a creation time, a neutron in a firs... | 07/29/2008 |
| 7399976 | Method and equipment for discriminating materials by employing fast neutron and continuous spectral x-ray Disclosed is a method of discriminating materials by employing fast neutron and continuous spectral X-ray and an equipment for the same. The method comprising the steps of: (a) transmitting a fast neutron beam produced by a fast neutron source and a continuous spect... | 07/15/2008 |
| 7391031 | Detection of peroxides and superoxides with fast neutrons A system for detecting a compound in a sample includes a neutron source, at least one gamma ray detector positioned proximate the sample, and a signal processor. The neutron source directs a neutron beam toward the sample. The gamma ray detector collects gamma rays ... | 06/24/2008 |
| 7368717 | Density detection using real time discrete photon counting for fast moving targets A system for detecting and graphically displaying a contents of a fast-moving target object comprises: a radiation source, having a position such that at least a portion of radiation emitted from the radiation source passes through the fast-moving target object, the... | 05/06/2008 |
| 7365332 | Density detection using real time discrete photon counting for fast moving targets A system for detecting and graphically displaying a contents of a fast-moving target object comprises: a radiation source, having a position such that at least a portion of radiation emitted from the radiation source passes through the fast-moving target object, the... | 04/29/2008 |
| 7359480 | Neutron interrogation system using high gamma ray signature to detect contraband special nuclear materials in cargo A system for inspecting cargo for the presence of special nuclear material. The cargo is irradiated with neutrons. The neutrons produce fission products in the special nuclear material which generate gamma rays. The gamma rays are detecting indicating the presence o... | 04/15/2008 |
| 7356115 | Radiation scanning units including a movable platform A scanning unit for inspecting objects comprises in one embodiment a radiation source to emit a beam of radiation, a rotatable platform to support an object for inspection by the beam of radiation and a detector positioned to receive radiation after interaction of t... | 04/08/2008 |
| 7349517 | System for measuring burn-out of fuel elements of a high-temperature reactor The burnout of a fuel element in a reactor is determined by first transferring a fuel element from a reactor to a measuring position and then subjecting the transferred fuel element at the position to a neutron flux. A first detector measures the total γ radiation ... | 03/25/2008 |
| 7337686 | Multi-threat detection system A method and system for efficiently screening for dangerous threatening items are presented. The system includes an object unit designed to hold the object and a test unit including equipment for subjecting the object to a combination of two or more tests. There are... | 03/04/2008 |
| 7335887 | System and method for target inspection using discrete photon counting and neutron detection Described herein is system for the inspection of a target object. The system may include a gamma radiation source, a gamma detector and an image processor coupled to the gamma detector. When the inspection system is operating in a first active mode for imaging a tar... | 02/26/2008 |
| 7335891 | Gamma and neutron radiation detector A sensing element or detector activated by radiation comprising a first scintillator activated by gamma radiation; and a neutron sensing layer comprising a second scintillator activated by neutron radiation. ... | 02/26/2008 |
| 7313221 | Radiographic equipment The invention concerns radiographic equipment. The equipment includes a source of substantially mono-energetic fast neutrons produced via the deuterium-tritium or deuterium-deuterium fusion reactions, comprising a sealed-tube or similar generator for producing the n... | 12/25/2007 |
| 7309857 | Gamma ray detectors having improved signal-to-noise ratio and related systems and methods for analyzing materials in an oil well A gamma ray detector assembly for placement in a logging tool in a borehole can include a first gamma ray detector elongated along an axis and having a void extending along the axis. A second gamma ray detector conforms to at least a portion of the void. The first a... | 12/18/2007 |
| 7294846 | Apparatus and a method of detecting hydrogen in an object by use of a neutron This invention relates to an apparatus for the detection of the hydrogen content of an object, wherein said apparatus comprises a neutron source that emits fast/energy-rich neutrons; a detector device for detecting thermal neutrons; a moderator that brakes and refle... | 11/13/2007 |
| 7277521 | Detecting special nuclear materials in containers using high-energy gamma rays emitted by fission products A method and a system for detecting the presence of special nuclear materials in a container. The system and its method include irradiating the container with an energetic beam, so as to induce a fission in the special nuclear materials, detecting the gamma rays tha... | 10/02/2007 |
| 7253414 | Multi-energy gamma attenuation for real time continuous measurement of bulk material Methods and apparatus for continuous real-time measurement of bulk material using gamma irradiation. A multi-energy gamma attenuation device monitors bulk material flow and produces a spectrum that is compared to a baseline spectrum to produce a relative weight/impu... | 08/07/2007 |
| 7247865 | System and method of detecting, neutralizing, and containing suspected contaminated articles A comprehensive system and method of rendering the mail safe for handling and for detecting and containing suspect pieces and which can be fitted or retrofitted into mail and package processing facilities with relative ease. The system of the present invention inclu... | 07/24/2007 |
| 7244948 | Miniature multinuclide detection system and methods The present invention is directed toward an apparatus and methods for detection and identification of target radionuclides and threatening radionuclides that may be present in a sample volume. One aspect of the invention provides a digital computational apparatus th... | 07/17/2007 |
| 7231011 | Apparatus for photon activation positron annihilation analysis Non-destructive testing apparatus according to one embodiment of the invention comprises a photon source. The photon source produces photons having predetermined energies and directs the photons toward a specimen being tested. The photons from the photon source resu... | 06/12/2007 |
| 7220967 | Method and apparatus for detection of radioactive material A radioactive material detection system includes a plurality of radioactive material detection apparatuses and a command center. Each apparatus is disposed in or on a cargo receptacle. Each apparatus includes a wireless transmitter, a radiation sensor, a detection c... | 05/22/2007 |
| 7218704 | X-ray backscatter mobile inspection van An inspection system based upon an enclosed conveyance such as a van, capable of road travel, for inspecting persons or objects. The conveyance is characterized by an enclosing body, or skin. A source of penetrating radiation and a spatial modulator for forming the ... | 05/15/2007 |
| 7214948 | Neutron optical component for the small angle neutron scattering measuring technique A high measuring resolution along with a large irradiation surface and a high beam intensity are required for structural analysis of material according to the small angle neutron scattering measuring technique. However, with known diaphragm collimators, the necessar... | 05/08/2007 |
| 7214942 | Gamma ray detectors having improved signal-to-noise ratio and related systems and methods for analyzing bulk materials An assembly for detecting gamma rays from a bulk material defines a radiation region. A radiation source is positioned adjacent the radiation region and configured to irradiate the bulk material in the radiation region. A first gamma ray detector is positioned adjac... | 05/08/2007 |
| 7183554 | Detection of nuclear weapons and fissile material abroad cargo containerships A radiation detection system that measures radiation (e.g., signature energy-level gamma radiation and neutrons) is employed aboard a ship or other transport vehicle along with conventional cargo to monitor for the presence of a fissile material, as would be found i... | 02/27/2007 |
| 7183963 | System and method for inspecting transportable items using microwave imaging An inspection system uses microwave radiation to capture a microwave image of a transportable item. The system includes a transmit scanning panel including a transmit array of transmit antenna elements, each being programmable with a respective phase delay to direct... | 02/27/2007 |
| 7173244 | Radiation detector A radiation detector having a head and a main body. The head has a probe and a first articulation. The probe contains a radiation detection element, and is movable due to the first articulation. Separately from the first articulation, a second articulation is provid... | 02/06/2007 |
| 7158028 | Intelligent multi purpose early warning system for shipping containers, components therefor and methods of making the same A multipurpose sensing system of detecting, qualifying and quantifying a potential threat to national security comprises a multipurpose sensing module associated with each cargo carrying container. The system tracks the instantaneous location of each cargo carrying ... | 01/02/2007 |
| 7151447 | Detection and identification of threats hidden inside cargo shipments A method for identifying at least one threat to the homeland security. Each threat is either hidden inside at least one cargo container before transit, or is placed inside at least one cargo container while in transit. Each threat while interacting with its surround... | 12/19/2006 |
| 7152002 | Method and apparatus for analysis of elements in bulk substance A substance analyzer utilizing Prompt Gamma Neutron Activation Analysis for identifying characteristics of a substance and method of manufacturing the same are disclosed. The analyzer is small enough to be portable and to allow its use in many applications where cur... | 12/19/2006 |
| 7141799 | Fiber optic thermal/fast neutron and gamma ray scintillation detector A detector system that combines a 6Li loaded glass fiber scintillation thermal neutron detector with a fast scintillation detector in a single layered structure. Detection of thermal and fast neutrons and ionizing electromagnetic radiation is achieved in ... | 11/28/2006 |
| 7105135 | System and method for large scale detection of hazardous materials in the mail or in other objects A system and method that enables early detection of hazardous materials, such as explosives and biological materials, in the early phases of mail handling or processing, is disclosed. The early detection of such hazardous material utilizing the system and method of ... | 09/12/2006 |
| 7100422 | Systems and methods for residue collection with improved letter handling capability Systems and methods for the detection of substances (particularly particulate substances) within mail pieces, specifically letters and other “flats” of mail. In particular, the systems and methods are for the detection of residues of Chemical or Biological Warfa... | 09/05/2006 |
| 7099434 | X-ray backscatter mobile inspection van An inspection system based upon an enclosed conveyance such as a van, capable of road travel, for inspecting objects of inspection that may include persons. The conveyance is characterized by an enclosing body, or skin. A source of penetrating radiation and a spatia... | 08/29/2006 |
| 7085746 | Method and system for notifying mail users of mail piece contamination A method and system for notifying users of a mail system that a mail piece has been quarantined is provided. A plurality of incoming mail mailboxes each include a sampler to sample air from a letter that is tested using a first sensor. Source information correspondi... | 08/01/2006 |
