| Patents for G01V 3 - Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination or deviation (25,929) |
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| 04/13/2000 | WO2000020897A1 Nmr logging assembly |
| 04/12/2000 | EP0991921A1 Measurement of flow fractions, flow velocities, and flow rates of a multiphase fluid using nmr sensing |
| 04/12/2000 | EP0991919A2 Measurement of flow fractions, flow velocities, and flow rates of a multiphase fluid using esr sensing |
| 04/11/2000 | US6049757 Parametric modeling of well log data to remove periodic errors |
| 04/11/2000 | US6049209 Axial resolution enhancement method for resistivity well logs which accounts for lateral variations in the resistivity of earth formations penetrated by a wellbore |
| 04/11/2000 | US6049205 Multiple frequency method for nuclear magnetic resonance longitudinal relaxation measurement and pulsing sequence for power use optimization |
| 04/06/2000 | WO2000019244A1 Ultrasound array and electrode array for hall effect imaging |
| 04/06/2000 | WO2000019243A1 Ultrasound probes implementing waveguide shielding and active compensation of noise |
| 04/06/2000 | DE19837828C1 Verfahren und Vorrichtung zur oberflächennahen Detektion von Stromdichteverteilungen in einem Untergrund Method and apparatus for detection of near-surface current density distributions in a subterranean |
| 04/05/2000 | EP0990176A1 A sensor panel and a detection apparatus incorporating the same |
| 04/05/2000 | EP0760959B1 Amorphous metal tagging system for underground structures |
| 04/05/2000 | CN1249436A Nuclear magnetic resonance logging with angular resolution using gradient winding |
| 04/05/2000 | CN1051156C Method for wave-guide measuring water holdup of oil well |
| 04/04/2000 | US6047240 Method and apparatus for evaluating the resistivity of invaded formations at high apparent dip angle |
| 04/04/2000 | US6046593 Method/apparatus for measuring mud resistivity using a focused-electrode system |
| 04/04/2000 | US6046587 Measurement of flow fractions, flow velocities, and flow rates of a multiphase fluid using NMR sensing |
| 04/04/2000 | US6046586 Crossed-loop resonator structure for spectroscopy |
| 03/30/2000 | WO2000017489A2 Geoelectric pre-prospecting method |
| 03/30/2000 | WO2000000849A3 Device and method for measurement by guided waves on a metal string in a well |
| 03/30/2000 | DE19850749C1 Inductive proximity sensor for detecting metal objects; has signal from detector coil and generator coil input to mixer |
| 03/29/2000 | EP0989671A2 Touch sensor for identifying body part |
| 03/29/2000 | EP0988541A4 Process and article for determining the residence time of a food particle |
| 03/29/2000 | EP0988541A2 Process and article for determining the residence time of a food particle |
| 03/29/2000 | EP0988181A1 Evaluation device for an object recognition device, specially for monitoring the interior of a motor vehicle, object recognition device fitted with one such evaluation device and method for controlling such a device |
| 03/29/2000 | CN2371566Y Door type metal detector |
| 03/29/2000 | CN1248705A Nuclear magnetic resonance device and method for generating axially symmetric magnetic field with straight line outline line in resonance area |
| 03/28/2000 | US6044325 Conductivity anisotropy estimation method for inversion processing of measurements made by a transverse electromagnetic induction logging instrument |
| 03/28/2000 | US6043792 Single antenna arrangement providing interrogation field |
| 03/28/2000 | US6043743 Passenger detecting system and passenger detecting method |
| 03/28/2000 | US6043647 Magnetic anomaly detector for detecting the movement of ferrous metals |
| 03/28/2000 | US6043646 Proximity switch with magnetic field-sensitive sensor |
| 03/23/2000 | WO2000016126A1 System and method for delineating spatially dependent objects, such as hydrocarbon accumulations from seismic data |
| 03/23/2000 | WO2000015109A1 Microwave hematoma detector |
| 03/23/2000 | CA2344143A1 System and method for delineating spatially dependent objects, such as hydrocarbon accumulations from seismic data |
| 03/22/2000 | EP0987566A2 Vehicle detector with at least one induction loop as sensor and vehicle detection method |
| 03/21/2000 | US6040765 Obstacle detection system built-in test method and apparatus |
| 03/21/2000 | US6040696 Method for estimating pore structure in carbonates from NMR measurements |
| 03/16/2000 | WO2000014576A1 Apparatus and method for making nuclear magnetic measurements in a borehole |
| 03/16/2000 | DE19833717C1 System detecting and excluding metal foreign bodies from granular or powder products, comprises purpose-built plastic vibro-conveyor surrounded by detector coil with control system and rejector unit |
| 03/15/2000 | EP0986020A2 Information management system supporting multiple electronic tags |
| 03/15/2000 | CN1247603A Method for automatic detection of planar heterogeneities crossing stratification of environment |
| 03/15/2000 | CN1050421C Device for measuring position of cable wire in cable cover |
| 03/14/2000 | US6037870 Dector system for access control, and a detector assembly for implementing such a system |
| 03/14/2000 | US6037776 Method and apparatus for geophysical exploration using GMR sensors |
| 03/14/2000 | US6037771 Sliding thin-slab acquisition of three-dimensional MRA data |
| 03/14/2000 | CA2021792C Multi-directionally responsive, dual-status, magnetic article surveillance marker having continuous keeper |
| 03/09/2000 | WO2000013046A1 Method and apparatus for determining the nature of subterranean reservoirs |
| 03/09/2000 | WO2000013045A1 A method and a device for carrying out measurements based upon magnetism |
| 03/09/2000 | WO2000012975A1 Device for detecting and identifying vehicles |
| 03/09/2000 | CA2341626A1 Device for detecting and identifying vehicles |
| 03/08/2000 | EP0984299A1 Method for discovering the location of a living object and microwave location device for realising the same |
| 03/08/2000 | EP0983524A2 Tagging system using motion detector |
| 03/08/2000 | EP0756763B1 Antenna arrangement |
| 03/08/2000 | CN1246624A Method for eliminating oscillation in nuclear magnetic resonance measuring period |
| 03/01/2000 | EP0754307B1 Fluid detection means |
| 02/29/2000 | US6032101 Methods for evaluating formations using NMR and other logs |
| 02/29/2000 | US6031482 Method and system for sensing and locating a person, e.g. under an avalanche |
| 02/29/2000 | US6031381 Electrical voltages and resistances measured to inspect metallic cased wells and pipelines |
| 02/29/2000 | US6031377 Magnetic anomaly detection buoy for detecting submarines |
| 02/29/2000 | US6031371 Self-powered pipeline vehicle for carrying out an operation on a pipeline and method |
| 02/29/2000 | US6029755 Conductive medium for openhole logging and logging while drilling |
| 02/24/2000 | WO2000009355A1 System for detecting obstacles |
| 02/24/2000 | WO1999066466A3 A sensor, a method and a system for remote detection of objects |
| 02/24/2000 | DE19837526A1 Capacitive sensor with at least one sensor capacitor plate controlled by at least one coupling capacitance provided between control and evaluation circuit and sensor capacitor plate |
| 02/23/2000 | EP0981062A2 Nuclear magnetic resonance logging with azimuthal resolution using gradient coils |
| 02/23/2000 | EP0981061A1 Control unit |
| 02/23/2000 | EP0981060A2 Method and apparatus for near-surface detection of sub-surface current-density distribution |
| 02/23/2000 | CN1245295A Detector for metal object |
| 02/22/2000 | US6028760 Resonant power converter for energizing a coil |
| 02/22/2000 | US6028428 Multiband selective RF pulse construction for NMR measurement sequences |
| 02/22/2000 | US6028427 Magnetism sensor using a magnetism detecting device of a magnetic impedance effect type and control apparatus using the same |
| 02/22/2000 | US6026560 High pressure magnet assembly |
| 02/22/2000 | CA2178315C Method and apparatus for hydrocarbon detection via eddy currents induced by large amplitude, long period, square waves |
| 02/17/2000 | WO2000008492A1 Device with capacitive electrodes for measuring subsurface electric characteristics |
| 02/17/2000 | WO2000008491A1 Search device for locating buried persons |
| 02/17/2000 | WO2000008490A1 Method and apparatus for locating underground fluid deposits utilizing electromagnetic waves |
| 02/17/2000 | WO2000008488A1 Method for determining a geo-pathogenic area from anomalies in the earth's electrostatic field in residential areas |
| 02/17/2000 | WO2000008487A1 Capacitive proximity switch for evaluating minor changes in capacitance and method therefor |
| 02/17/2000 | WO2000008484A1 Method and device for detecting objects, especially used as a parking assistance device in a motor vehicle |
| 02/17/2000 | WO2000008483A1 Radar ice sounder with parallel doppler processing |
| 02/17/2000 | DE19843749A1 Verfahren und Schaltungsanordnung zur Auswertung kleiner Kapazitätsänderungen Method and circuit arrangement for evaluating small changes in capacitance |
| 02/17/2000 | DE19836056A1 Device to detect obstacles to closing of motor-activated roof of open top motor car; has strip-type capacitor sensor placed along top of any windscreen or side window upper members |
| 02/17/2000 | DE19833966A1 Verfahren, Vorrichtung und Satz mit zwei Vorrichtungen zum Bestimmen einer Intensität eines Radarsignals Method, device and set with two devices for determining an intensity of a radar signal |
| 02/17/2000 | DE19833965A1 Verfahren und Vorrichtung zum Bestimmen einer Intensität eines eine Meßstrecke passiert habenden Radarsignals Method and apparatus for determining an intensity of a radar signal having passed the test section |
| 02/17/2000 | CA2346911A1 Apparatus with capacitive electrodes for measuring electrical characteristics in the subsoil |
| 02/16/2000 | EP0979405A1 Static electrification assisted dielectrokinesis detection of plastics and other materials |
| 02/16/2000 | CN1244938A Device and method using dielectrokinesis to locate entities |
| 02/15/2000 | USRE36569 Method and apparatus for measuring distance and direction by movable magnetic field source |
| 02/15/2000 | US6026135 Vehicle advances over objects; identification, marking, confirmation |
| 02/15/2000 | US6025726 Method and apparatus for determining three-dimensional position, orientation and mass distribution |
| 02/15/2000 | US6025722 Azimuthally segmented resistivity measuring apparatus and method |
| 02/15/2000 | US6025721 Determining resistivity of a formation adjacent to a borehole having casing by generating constant current flow in portion of casing and using at least two voltage measurement electrodes |
| 02/15/2000 | US6025711 Sensor circuit with diagnostic capability |
| 02/15/2000 | US6025562 Electronic equipment and method of manufacturing the same |
| 02/15/2000 | US6023976 Prodder with force feedback |
| 02/10/2000 | DE19927240A1 Erfassung von unterirdischen Objekten Detection of buried objects |
| 02/09/2000 | EP0978734A2 Apparatus for detection of metallic objects |
| 02/09/2000 | CN1244261A Magnetic tags |
| 02/09/2000 | CN1243958A Method and device for measuring properties of fluid in bearing stratum |
| 02/08/2000 | US6023168 Apparatus and method for measuring the resistivity of underground formations |