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| Number | Title | Issue Date |
| 8084740 | Radiometric measuring device with a two-wire supply A measuring device with a two-wire supply for radiometric filling level measuring or density measuring of a feed material with a processor which is designed to change from an active mode to a power-saving mode. ... | 12/27/2011 |
| 7663108 | Pulverized bulk material planetary and double helix analyzer system A system for analyzing a bulk material including a tube for transporting a stream of a bulk material, a plurality of illuminators for directing radiation through the stream and arranged about a circumference of the tube, a plurality of detectors arranged substantial... | 02/16/2010 |
| 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 |
| 7367226 | Interface detection apparatus and method for detecting hidden interface using microwave An interface detection apparatus detects a position of a hidden interface between first and second materials, the first material having a different physical property from the second material. The apparatus encompasses (a) an irradiation mechanism configured to irrad... | 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 |
| 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 |
| 7265353 | Data acquisition, control, and spectral analysis software for multi-channel analyzers A system for detecting and identifying low-level (weak) radioactive sources moving past stationary detectors. The system, which can detect low-level sources moving at speeds of 30 m/s (about 70 mph), uses the differences between background counts and gamma counts fr... | 09/04/2007 |
| 7247857 | Method and an apparatus for detecting water on a ship's deck This invention relates to an apparatus for detecting hydrogeneous material on a ship's deck comprising a neutron source located below the surface of the ship's deck and emitting fast/energy-rich neutrons, and a detector device that is located below the surface of th... | 07/24/2007 |
| 7148483 | Fast, simple radiation detector A radiation detection device, system, and method for use in homeland security is disclosed. The device is portable and includes a photomultiplier tube (PMT) connected to an end of a substantially rigid thin-walled aluminum tube. Inside the aluminum tube, a substanti... | 12/12/2006 |
| 7132662 | Flexible liquid-filled radiation detector scintillator A flexible scintillation-type level detector (10), in which the scintillator (18) is made from a flexible tube (12) substantially filled with a liquid scintillating material (16) to provide flexibility in at least two, and preferably thre... | 11/07/2006 |
| 7128812 | Apparatus and method for determining the level in a coke drum A foam level in a delayed coking drum is detected by utilizing the varying density of the boiling mass in the coke drum which has larger bubbles and is less dense at the top and smaller bubbles and a higher density at the bottom. A plurality of radiation detectors a... | 10/31/2006 |
| 7078698 | Specimen sensing apparatus A specimen sensing apparatus according to the present invention includes a specimen container which is vertically positioned by a container holder of a columnar rack type and conveyed by a belt conveyor, an infrared CCD camera configured to pick up an infrared image... | 07/18/2006 |
| 6928130 | Dodecahedron neutron spectrometer with tantalum proton absorber for aircraft A neutron spectrometer for aircraft is provided by a series of substrates covered by a solid-state detector stacked on an absorbing layer. As many as 12 substrates that convert neutrons to protons are covered by a layer of absorbing material, acting as a proton abso... | 08/09/2005 |
| 6879425 | Device for determining and/or monitoring the density and/or the level of a filling material in a container The invention relates to a device for determining and/or monitoring the density and/or the level (L) of a filling material in a container. A transmitting unit which emits radioactive radiation and a receiving unit which is arranged in such a way that it receives the... | 04/12/2005 |
| 6753532 | Method for detecting and suppressing extraneous radiation influences in radiometric measurements A method of detecting and suppressing extraneous radiation influences in radiometric measurements utilizes, in addition to the measurement channel that extends at least essentially over the entire usable pulse amplitude spectrum, at least one substitute channel that... | 06/22/2004 |
| 6662649 | Material level monitoring and reporting An material level monitoring and reporting system uses special micropower impulse radar level sensing probes, with one such probe being inserted into each of a plurality of material containment structures, such as storage tanks. The micropower impulse rad... | 12/16/2003 |
| 6658933 | Fill-level indicator for a liquefied-petroleum-gas tank Fill-level indicating device includes an array of optical detectors attached to a mount, vertically spaced apart relative to one another and distributed within the tank over the height of the latter, with each detector including a light source and a recei... | 12/09/2003 |
| 6640618 | Method for detecting and measuring foam forming compounds in aqueous solutions A method for detecting change in the foam forming characteristic of an input stream of an aqueous solution which continuously samples the input stream by taking a series of discrete, independent measurements. The method relies on an acoustic sensor to mea... | 11/04/2003 |
| 6633625 | Density profiler for measuring density profile of a medium and method and apparatus using same A density profiler for measuring a density profile of a medium including at least two liquids and gaseous phases includes an axially distributed source array providing at least 10 collimated ionising radiation beams; an axially distributed radiation detec... | 10/14/2003 |
| 6548814 | Arrangement and a method for measuring level, interface level and density profile of a fluid in tanks or containers The invention is an apparatus and method for measuring a level, an interface level, and/or a density profile of at least one fluid in a container (2, 3) with at least two nuclear radiation sources (9) vertically arranged at a predetermined distance from e... | 04/15/2003 |
| 6405580 | Apparatus for detecting and measuring foam forming compounds in aqueous solutions An apparatus for detecting change in the foam forming characteristic of an input stream of an aqueous solution which continuously samples the input stream by taking a series of discrete, independent measurements. A sample of the input stream is collected,... | 06/18/2002 |
| 6198103 | Nuclear level sensing gauge using scintillating fiber bundle A nuclear level sensing gauge for measuring the level of product in a bin utilizes a bundle of scintillating fibers. A source of nuclear radiation positioned adjacent the bin, and a bundle of one or more scintillating fibers is positioned adjacent the bin... | 03/06/2001 |
| 6104033 | Method of determining fluid level and interface in a closed vessel A process and apparatus for determining the levels in a vessel of two or more immiscible or partially-miscible components has been developed. The process begins with transmitting gamma rays, x-rays, microwaves, ultrasound waves, or sonar waves through the... | 08/15/2000 |
| 5868859 | Use of infrared radiation in detection methods to defoam aqueous systems The creation of a substantial volume of foam on the surface of an aqueous medium can reduce the apparent thermal IR emission substantially when compared to that of the aqueous medium free of foam. This difference in temperature (infrared emission) can be ... | 02/09/1999 |
| 5739534 | Methods and apparatus for detecting fluids A system for detecting the presence of a fluid comprising: means for transmitting at least two infrared electromagnetic signals toward a fluid, each of the infrared electromagnetic signals have different wavelengths. It also includes means for sensing the... | 04/14/1998 |
| 5698797 | Device for monitoring a ball grinder The present invention concerns a device for monitoring a ball grinder having a cylindrical casing containing a mass of balls which, when the grinder is rotating at its nominal speed, takes up a position between two generatrices (1b, 1b | 12/16/1997 |
| 5679956 | Enhanced vehicle radiation monitoring system and method A radiation detection system and method for scanning an object for ionizing radiation are generally characterized by at least one radiation detector which provides an output related to the level of ionizing radiation impinging thereon, a sensing device wh... | 10/21/1997 |
| 5594250 | Method for detecting water equivalent of snow using secondary cosmic gamma radiation Water equivalent of accumulated snow determination by measurement of secondary background cosmic radiation attenuation by the snowpack. By measuring the attentuation of 3-10 MeV secondary gamma radiation it is possible to determine the water equivalent of... | 01/14/1997 |
| 5569914 | Method for measuring height of fill in a production tubing/casing annulus The location in a wellbore of the top of a quantity of fill material which is sufficient to restrict flow in a tubing/casing annulus at a location deep in a well is determined by dropping a radioactive source through the annulus so that it falls to the to... | 10/29/1996 |
| 5509460 | Solid/liquid interface detection in continuous casting processes by γ - A liquid metal/solid metal interface detecting device comprises in general a radiation source for generating gamma radiation, which is directed to pass through a strand extruded from a continuous casting mold. A detector detects the gamma radiation passin... | 04/23/1996 |
| 5502380 | Analog weighted binary absolute position encoder including an array of sense resistors each having material responsive to FWX and nonresponsive to flux A magnet mounted on a moving stem or rotary member of a valve generates magnetic flux over part of a stationary member of the valve which has an uniquely patterned set of magnetoresistive sense resistors and three reference resistors (the sensor) disposed... | 03/26/1996 |
| 5376798 | Weight measuring apparatus A low voltage, compact measuring apparatus for measuring the weight of a material is disclosed which uses a PIN diode in conjunction with a low noise processing circuit to detect particle radiation emitted from a source, which source has its detection int... | 12/27/1994 |
| 5315117 | Volume meter system A system determines the relative amounts of phases in multiphase flow, typically the liquid (or gas) fraction of a stream in two-phase flow. More particularly, the system quickly and reliably determines the liquid (or gas) fraction of a flowing two-phase ... | 05/24/1994 |
| 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 |
| 5272349 | Source handling apparatus A compact design of a shielded housing for transport and insertion of radioactive sources into wells for use in measuring properties of materials in vessels and the like is disclosed in this invention. The apparatus features a perforated belt which is wou... | 12/21/1993 |
| 5218202 | Method for automatic drift stabilization in radiation measurement with a detector A method for automatic drift stabilization in radiation measurement with a detector, a pulse amplitude integral of measured radiation being produced as a standard for the radiation energy absorbed by the detector, using control devices connected to the ou... | 06/08/1993 |
| 5136883 | Liquid level gage system A liquid level gage system is disclosed. This system includes a displacer secured to a cable and movable in response to winding or unwinding said cable around or from around a rotatable drum. The rotatable drum is coupled to a driven shaft, and a drive as... | 08/11/1992 |
| 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 |
| 5026993 | Apparatus for monitoring settlement of a solid in a liquid, and a system incorporating same The invention relates to an automatic apparatus, computer controlled, for monitoring the settlement of solids in a liquid, specifically sludge in effluent from a sewage treatment plant. The apparatus enables the determination of the parameter known as the... | 06/25/1991 |
| 5021665 | Oil level monitor A fluid level monitor for sensing the level of fluid in a reservoir such as for sensing an oil level in an internal combustion engine crankcase containing a quantity of oil, the monitor includes a light source for generating a light beam having a frequenc... | 06/04/1991 |
