Patents for G01V 5 - Prospecting or detecting by the use of nuclear radiation, e.g. of natural or induced radioactivity (5,830) |
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11/02/1993 | CA1323935C Method of analyzing exponential data |
10/28/1993 | WO1993021546A1 Method and apparatus for detecting concealed substances |
10/12/1993 | US5253283 Inspection method and apparatus with single color pixel imaging |
10/12/1993 | US5251708 Modular connector for measurement-while-drilling tool |
10/10/1993 | CA2093582A1 Method for determining the slowing down length and the porosity of a formation surrounding a borehole |
10/07/1993 | DE4210516A1 Controlling items of luggage for transport in aeroplane etc. - using e.g. X=ray radiation testing unit to examine shape and material of objects in luggage and triggering alarm accordingly |
10/05/1993 | US5251240 Method and apparatus for employing resonance-produced gamma rays to detect the presence of both nitrogen and oxygen in objects that may contain explosives |
10/05/1993 | US5250806 Stand-off compensated formation measurements apparatus and method |
09/29/1993 | EP0562146A1 Process and apparatus for logging a geological test drilling |
09/21/1993 | US5247561 Luggage inspection device |
09/21/1993 | US5247177 Detection of nitrogenous material |
08/31/1993 | US5241175 Method and equipment for prediction of volcanic eruption and earthquake |
08/17/1993 | US5237594 Nuclear activation method and apparatus for detecting and quantifying earth elements |
08/17/1993 | CA1321426C2 Method of calibrating a radiation detector in a logging apparatus |
08/10/1993 | US5235185 Formation sigma measurement from thermal neutron detection |
08/05/1993 | WO1993015470A1 Broadband instrument for nondestructive measurement of material properties |
08/01/1993 | CA2088415A1 Temperature corrections of measurements made with scintillation detectors |
07/28/1993 | EP0446333B1 System for detecting substances and particularly explosives, by neutronic irradiation from the latter |
07/27/1993 | US5231652 Arrangement for measuring the pulse transmission spectrum of x-ray quanta |
07/22/1993 | WO1993014419A1 Improvements in and relating to material identification using x-rays |
07/22/1993 | DE4235941A1 Monitoring system for objects on conveyor - comprises source of penetrating illumination diverted to gap in conveyor, radiation detector and display |
07/21/1993 | EP0552073A2 Formation sigma measurement from thermal neutron detection |
07/13/1993 | US5228068 Device and method for automated determination and analysis of bone density and vertebral morphology |
07/13/1993 | US5227972 Matched filter data smoothing system |
07/06/1993 | US5225674 Method of delineating naturally fractured intervals in subterranean formations |
06/29/1993 | US5224144 Reduced mass flying spot scanner having arcuate scanning lines |
06/09/1993 | EP0545784A2 Apparatus and method for detecting subterranean leakage from a large storage vessel |
06/01/1993 | US5216242 Apparatus for nuclear logging employing sub wall mounted detectors and modular connector assemblies |
05/26/1993 | EP0542911A1 Device and method for inspection of baggage and other objects |
05/25/1993 | US5214281 Method for locating sub-terranean geological aggregate deposits |
05/19/1993 | DE4137510A1 Scanner for investigating test object for unauthorised contents, e.g. weapons - has source of fan-shaped beam on opposite side of conveyor from detector row with signal processor and visual display |
05/19/1993 | DE4137372A1 Scanner e.g. for three=dimensional detection of unauthorised objects, e.g. weapons - has rows of detectors of penetrating radiation scattered by object, distribution processor and display |
05/19/1993 | DE4137055A1 Scanner e.g. for detecting weapons, explosives etc. using X=rays - has parallel amplifiers with different gains for each penetrating radiation detector element signal |
05/19/1993 | DE4137054A1 Scanner for investigating test objects, e.g for detecting weapons, explosives - has parallel rows of detector elements of different sizes for penetrating radiation, signal processor and display |
04/28/1993 | EP0538707A1 X-ray scanning system |
04/27/1993 | US5206505 Apparatus and method for retrieving and evaluating a slim hole drilled core sample of a subsurface formation |
04/27/1993 | US5205167 Method and apparatus for locating stratification in production fluid in a well |
04/20/1993 | US5204529 Method and apparatus for measuring borehole fluid density, formation density and/or borehole diameter using back-scattered gamma radiation |
04/20/1993 | US5204527 Neutron particle energy detector |
04/13/1993 | US5202932 A method of inspecting an object |
04/06/1993 | US5200626 Hidden explosives detector employing pulsed neutron and x-ray interrogation |
03/31/1993 | EP0534025A1 Method and use of apparatus for prediction of volcanic eruptions and earthquakes |
03/24/1993 | EP0533316A1 X-ray detector and examination system |
03/24/1993 | EP0532637A1 X-ray image generating apparatus and associated method. |
03/24/1993 | CN1020169C Digital spectrum-stabilizing device using natural low-energy peak as reference source |
03/23/1993 | US5196698 Oil well bore holes, lithium iodide, or lithium-doped glass |
03/16/1993 | CA1314633C Detection system for explosives |
03/02/1993 | US5191517 Electrostatic particle accelerator having linear axial and radial fields |
03/02/1993 | US5191210 Produced steam survey device and method |
02/17/1993 | EP0527675A2 Method for checking the operation of and for stabilizing a neutron detector in a logging sonde and such detector |
02/16/1993 | CA1313713C Process and apparatus for the detection of substances and in particular explosives by neutron irradiation thereof |
02/09/1993 | US5184692 Retrievable radiation source carrier |
02/02/1993 | US5182955 Borehole formation model for testing nuclear logging instruments |
01/27/1993 | EP0521991A4 Hidden explosives detector employing pulsed neutron and x-ray interrogation |
01/26/1993 | US5182764 Automatic concealed object detection system having a pre-scan stage |
01/19/1993 | US5181234 X-ray backscatter detection system |
01/19/1993 | US5180917 Self-calibrating proportional counter |
01/13/1993 | EP0521991A1 Hidden explosives detector employing pulsed neutron and x-ray interrogation |
01/12/1993 | US5179581 Automatic threat detection based on illumination by penetrating radiant energy |
01/05/1993 | US5177360 Devices and method to confirm the authenticity of art objects |
12/29/1992 | US5175756 Device for detecting nitrogenous, phosphoric, chloric and oxygenous substances |
12/29/1992 | US5175429 Stand-off compensation for nuclear MWD measurement |
12/15/1992 | US5171986 Bismuth germanate |
11/17/1992 | US5164591 Radioactive tracer well logging utilizing bromine |
11/17/1992 | US5164590 Method for evaluating core samples from x-ray energy attenuation measurements |
11/10/1992 | US5162096 Composite cavity structure for an explosive detection system |
10/27/1992 | US5159617 Explosive detection method and apparatus using selective gamma ray resonance absorption |
10/25/1992 | CA2066055A1 Inspection technique |
10/13/1992 | US5155356 Apparatus and method for detecting subterranean leakage from a large storage vessel |
10/13/1992 | CA1308819C Neutron scatter method and apparatus for the noninvasive interrogation of objects |
10/06/1992 | US5153439 Method for detecting explosives in an object |
10/06/1992 | US5153431 Well logging radioactive detector assembly |
10/06/1992 | CA2046738A1 Well logging radioactive detector assembly |
09/23/1992 | EP0505261A2 Stand-off compensated formation measurements apparatus and method |
09/23/1992 | EP0505260A2 Retrievable radiation source carrier |
09/23/1992 | CN1064748A Portable spectrum stabulizer of x-ray fluorometer with isotope as its source |
09/15/1992 | US5148455 Bone densitometer |
09/01/1992 | US5144140 Detection of explosives |
09/01/1992 | US5144126 Apparatus for nuclear logging employing sub wall mounted detectors and electronics, and modular connector assemblies |
08/19/1992 | CN2113499U Single microcomputer well measuring ground apparatus by radioactivity |
08/12/1992 | EP0425662A4 Nuclear resonances in activation analysis, and particularly, its application to detection of nitrogen based explosives in luggage |
08/04/1992 | US5135706 Device for measuring radioactive contamination on large pieces |
07/28/1992 | US5134285 Formation density logging mwd apparatus |
07/23/1992 | WO1992012415A1 Contraband detection apparatus and method |
07/07/1992 | US5128541 Thermal decay time logging method |
07/07/1992 | CA1304833C Method and apparatus for subsurface formation evaluation |
07/01/1992 | EP0491977A1 Testing system for vehicle loads |
07/01/1992 | CN1017281B Methods and apparatus for borehole gamma-ray spectroscopy and like measurements |
06/23/1992 | US5125015 Method and system for determining a lower-bound density of a body |
06/23/1992 | US5124554 Explosives detector |
06/16/1992 | US5122662 Field magnet; ferrite |
06/09/1992 | US5120963 Radiation detector assembly for formation logging apparatus |
06/09/1992 | US5120955 Logging method and apparatus for correcting natural gamma ray measurements for borehole fluid effects by calculating a borehole correction factor and applying the correction factor to calculated elemental yields |
06/03/1992 | EP0396618A4 Neutron scatter method and apparatus for the noninvasive interrogation of objects |
06/02/1992 | CA1302591C Explosive detection system |
06/02/1992 | CA1302590C Arrangement for examining a body comprising a radiation source |
05/20/1992 | EP0486382A2 Analysis of nuclear data for determining characteristics of earth formations traversed by a borehole |
05/20/1992 | EP0485872A2 Detector for nitrogen-, phosphor-, chlorine-, and/or oxygen-containing substances |
05/19/1992 | US5115459 Explosives detection using resonance fluorescence of bremsstrahlung radiation |
05/19/1992 | US5114662 Thermal neutrons react to produce gamma rays; forming three-dimensional profile; luggage |