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| Number | Title | Issue Date |
| 7902518 | Non-invasive battery analysis via micro-computed tomography A non-invasive multi-step process that includes tomography is applied to determine features of a battery. ... | 03/08/2011 |
| 7550737 | Battery A non-invasive multi-step process that includes tomography is applied to determine features of a battery. ... | 06/23/2009 |
| 7409313 | Method and apparatus for nondestructive evaluation of insulative coating An apparatus is provided for determining thickness and thermal conductivity for an insulative coating disposed on a substrate in an object. The apparatus includes a source for rapidly applying a multiple optical pulses on a surface of the object, where the surface c... | 08/05/2008 |
| 7339172 | Portable compton gamma-ray detection system A Compton scattered gamma-ray detector system. The system comprises a gamma-ray spectrometer and an annular array of individual scintillators. The scintillators are positioned so that they are arrayed around the gamma-ray spectrometer. The annular array of individua... | 03/04/2008 |
| 7183701 | Electron multipliers and radiation detectors Electron multipliers, radiation detectors, and methods of making the multipliers and detectors are described. In some embodiments an electron multiplier has a structure including a plurality of interconnected fibers having electron-emissive surfaces, the fibers havi... | 02/27/2007 |
| 7064337 | Radiation detection system for portable gamma-ray spectroscopy A portable gamma ray detection apparatus having a gamma ray detector encapsulated by a compact isolation structure having at least two volumetrically-nested enclosures where at least one is a thermal shield. The enclosures are suspension-mounted to each other to suc... | 06/20/2006 |
| 6956928 | Vertical small angle x-ray scattering system A small angle x-ray diffraction scattering system has a vertical orientation, allowing for simplified analysis of liquid samples. The system may function in a beam-up or a beam-down configuration. An x-ray source provides an initial x-ray beam that is directed verti... | 10/18/2005 |
| 6900900 | Apparatus and method for enabling high resolution film thickness and thickness-uniformity measurements A high-resolution and high-speed film thickness and thickness uniformity measurement method is disclosed in this invention. The disclosed method includes a step a) of measuring a film thickness at a single point on the top surface of the substrate using an interfero... | 05/31/2005 |
| 6577706 | Measurement of lateral yarn density distribution An apparatus for measuring the lateral yarn density distribution of a yarn uses selected X-ray radiation. Radiation absorption is determined in a number of narrow planes across the yarn and in two or more rotational orientations. The measuring takes place... | 06/10/2003 |
| 6314152 | Body composition detection using neutron inelastic scattering to detect carbon-to-oxygen ratio in tissue A technique for determining percent body fat using neutron inelastic scattering is disclosed. It relies on a correlation between a carbon-oxygen ratio in the body and the percent body fat with corrections made for a level of patient hydration in the lean ... | 11/06/2001 |
| 6037597 | Non-destructive detection systems and methods Described are preferred devices and systems useful in the non-destructive detection of predetermined substances, such as plastique explosives, in objects under interrogation. The devices and systems are readily constructed and can be manufactured as self-... | 03/14/2000 |
| 5896429 | Method for measurement of blast furnace liner thickness A method and apparatus is disclosed for inspecting a wall to evaluate the remaining thickness of the wall as well as the extent to which the wall has been infiltrated by another material. The disclosure discusses directing photons of radiation and/or neut... | 04/20/1999 |
| 5818054 | Substance detection device using monoenergetic neutrons A method and apparatus for non-invasively determining the internal composition of objects are disclosed. The object of interest is probed with low energy, monoenergetic narrow beams of fast neutrons. The object is generally placed on a conveyor belt which... | 10/06/1998 |
| 5811818 | System, device and process for inspection of a thermal neutron absorption wall System, device and process for inspection of a thermal neutron absorption wall. The device comprises a fast neutron source and an arrangement for thermal neutron detection comprising at least one pair of oblong, substantially parallel thermal neutron dete... | 09/22/1998 |
| 5606167 | Contraband detection apparatus and method A contraband detection system (18) using a single, cone shaped neutron beam determines substances concealed in a sample object by developing total neutron cross section spectra for a plurality of elements, including carbon, nitrogen, oxygen, hydrogen and ... | 02/25/1997 |
| 5589690 | Apparatus and method for monitoring casting process The present invention uses a high energy x-ray, neutron, or gamma source for monitoring the interface between a molten and solidified crystalline phase while in a furnace in a casting process. The radiation can also be used to determine the quality and or... | 12/31/1996 |
| 5300781 | Non-hydrogenous process level measurement A process measurement system that utilizes fast neutron backscattering for measuring density, level, and interfaces of substantially non-hydrogenous materials. The present invention substantially expands the use of backscattering technology, by expanding ... | 04/05/1994 |
| 5252832 | Method of using thermal neutrons to evaluate gravel pack slurry A method of evaluating a gravel pack slurry uses a fast neutron source and a thermal neutron detector to produce responses from which gravel settling rate, packing efficiency, gravel concentration, porosity and density can be determined. The method can be... | 10/12/1993 |
| 5247177 | Detection of nitrogenous material Improved method and means for the detection of nitrogenous material or assaying of nitrogenous material in an object on the basis of nuclear resonant attenuation of 9.17 MeV γ-rays. A target in form of one or several 13 C pellets at least 25μ... | 09/21/1993 |
| 5099124 | Level detecting apparatus An apparatus for detecting the interface between a hydrogen-containing substance and a second substance of different hydrogen content in a vessel comprising a first elongate source body containing a source of fast neutrons and having an L/D of at least ab... | 03/24/1992 |
| 4870278 | Wide-range fluid level detector The range of a neutron backscatter fluid level detector is extended to provide essentially continuous level indication by interpolating neutron backscatter counts of neutrons supplied from a plurality of sources at various heights.... | 09/26/1989 |
| 4864842 | Method and system for transferring calibration data between calibrated measurement instruments The present invention provides a method and system which is useful on instruments requiring experimentally determined calibration curves by which calibration data can be transferred to a plurality of field gauges, thereby avoiding the necessity of individ... | 09/12/1989 |
| 4794256 | Fast neutron process measurement system A process measurement system for measuring levels, interfaces and other characteristics related to products positioned between a fast neutron source and a detector that directly measures the transmitted fast neutrons. The system far exceeds the limitation... | 12/27/1988 |
| 4645635 | Method and apparatus for determining the properties of wet steam A partially collimated beam of thermal/epithermal neutrons is transmitted through a small bore pipe in which wet steam flows under a high pressure. A thermal neutron detector measures the transmission of the thermal/epithermal neutrons by the wet steam an... | 02/24/1987 |
| 4646068 | Ice monitoring system using neutron moderation A layer of hydrogenous material, such as ice which may accumulate on an outer airplane surface, is monitored according to neutron moderation by the layer. A source of fast neutrons and a detector of slow neutrons are mounted on one side of a mounting plat... | 02/24/1987 |
| 4639349 | Non-invasive liquid level and density gauge for nuclear power reactor pressure vessels A method and means of non-invasively determining the liquid level and density in a nuclear power reactor pressure vessel is disclosed. In general the method consists of detecting neutron levels external of the pressure vessel at least at positions adjacen... | 01/27/1987 |
| 4582991 | Method of measuring the density of a material A method of measuring the density of a first material containing a moderator of fast neutrons comprising the steps of: emitting fast neutrons into a sample having a predetermined volume confined in a predetermined shape and sensing the rate of slow neutro... | 04/15/1986 |
| 4569069 | Drainage profile tester for papermaking An apparatus and method for measuring the amount of papermaking stock on a moving fabric in a fourdrinier papermaking machine, including a backscattering mass sensing device and a hydrofoil blade adapted to scrape water from the underside of the fabric an... | 02/04/1986 |
| 4439675 | Moisture and density gauge A moisture and density gauge which combines sources of gamma and neutron radiation in a casing which is placed in the medium being analyzed. The gauge includes detectors for the gamma and neutron radiation being placed in end to end configuration within t... | 03/27/1984 |
| 4414472 | Method for determining the solids weight fraction of a slurry A method for determining the solids weight fraction of a slurry especially a coal slurry is described based on a measure of the concentration (wt/wt) of hydrogen in the slurry by neutron transmission or scatter. Accuracy of the method can be improved by c... | 11/08/1983 |
| 4270051 | Device for gauging thickness of refractory lining A device for gauging the thickness of refractory lining, comprising an electric pulse measuring unit connected to a lining thickness pulse transducer. The latter is mounted on that portion of the lining which is subjected to thickness measurements, and co... | 05/26/1981 |
| 4164655 | Apparatus for measuring quantity of asphalt ingredient in an asphalt compound An apparatus for measuring the quantity of asphalt ingredient in an asphalt compound in an apparatus for mixing asphalt ingredient and an aggregate to form the asphalt compound including a neutronic line which reacts with a hydrogen atom of the asphalt in... | 08/14/1979 |
| 4057729 | Measurement of slurry consistencies Consistencies of aqueous slurries, such as cellulose slurries, are measured by immersing in the slurry a radioactive source of fast neutrons, and neutron detector at a fixed, predetermined distance from the source. The neutron count so obtained can be use... | 11/08/1977 |
| 4047042 | Method of determining the water equivalent depth of snowfall using neutrons of cosmic rays A method of determining a depth of an accumulation of snow in which the water-equivalent depth of an accumulation of snow is determined from the count of survival neutrons of cosmic rays after passing through an accumulation of snow.... | 09/06/1977 |
| 3942003 | Method and apparatus for the in situ analysis of marine ore concretions For the in situ analysis of marine ore concretions, ore samples are aspirated from the sea floor and introduced in a sample container aboard a carrier body travelling underwater along and in the vicinity of the sea floor. While in the sample container, th... | 03/02/1976 |
