| 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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| 10/30/2001 | US6308788 Conductive medium for openhole logging and logging while drilling |
| 10/25/2001 | WO2001079891A1 Probe for detecting the structure of a dielectric medium |
| 10/25/2001 | WO2001079887A2 Displacement sensing system |
| 10/25/2001 | US20010033163 Method and apparatus for improving the vertical resolution of NMR logs |
| 10/25/2001 | US20010033159 Detection of passing magnetic articles while adapting the detection threshold |
| 10/25/2001 | US20010033074 Passenger discriminating apparatus |
| 10/25/2001 | US20010032650 Circuit for detection of the presence of a permanent magnet in the vicinity of an active medical device, in particular a pacemaker, defibrillator, cardiovertor and/or multisite device |
| 10/25/2001 | DE10018031A1 Real-time digital detection, tracking and mapping of near-surface buried pipelines, sensing depth and leakage, employs geo-radar antennas with slight mutual inclination |
| 10/24/2001 | EP1148351A1 Method and device for recording the magnetic susceptibility of soils and/or sediments |
| 10/24/2001 | EP1147606A2 Micropower capacitance-based proximity sensor |
| 10/24/2001 | EP1147427A1 Method and apparatus for determining electromagnetic field characteristics within a volume |
| 10/23/2001 | US6308136 Method of interpreting induction logs in horizontal wells |
| 10/23/2001 | US6308093 Method and apparatus for guiding ablative therapy of abnormal biological electrical excitation |
| 10/23/2001 | US6307518 Antenna configuration of an apparatus for detecting a child safety seat placed on a seat of a motor vehicle |
| 10/23/2001 | US6307384 Micropower capacitance-based proximity sensor |
| 10/23/2001 | US6307375 Seismic activity predictor in proximity with the earth including a dielectric for receiving precursor seismic electromagnetic waveforms |
| 10/18/2001 | WO2001078029A1 Thickness measurement system and method for vehicle occupant detection |
| 10/18/2001 | WO2001077711A1 A logging sonde for electrically exploring geological formations through which a borehole passes |
| 10/18/2001 | WO2001077710A1 Method and apparatus for investigating the wall of a borehole |
| 10/18/2001 | WO2001077702A1 Method and system for the measurement of magnetic fields |
| 10/18/2001 | WO2001077701A1 Detecting errors in the determination of magnetic location or orientation |
| 10/17/2001 | EP1145047A1 Method and apparatus for guiding ablative therapy of abnormal biological electrical excitation |
| 10/17/2001 | EP1145033A2 Apparatus having a single sensor for locating a concealed conductor energized by an alternating electric field |
| 10/16/2001 | US6304086 Method and apparatus for evaluating the resistivity of formations with high dip angles or high-contrast thin layers |
| 10/16/2001 | US6304075 Magnetic resonance sensor |
| 10/16/2001 | CA2288411C Position location system |
| 10/16/2001 | CA2111357C Well logging method and apparatus providing multiple depth investigation using multiple transmitters and single receiver pair |
| 10/11/2001 | WO2001075485A1 Buried object management system |
| 10/11/2001 | US20010029329 Simplified water-bag technique for magnetic susceptibility measurements on the human body and other specimens |
| 10/11/2001 | US20010028247 Porosity and permeability measurement of underground formations containing crude oil, using EPR response data |
| 10/10/2001 | EP1140576A1 Occupant detection system |
| 10/10/2001 | EP1140575A1 Occupant detection system |
| 10/10/2001 | EP1140574A1 Occupant detection system |
| 10/10/2001 | EP0909397B1 Ultrasound-hall effect imaging system and method |
| 10/09/2001 | US6300762 Use of polyaryletherketone-type thermoplastics in a production well |
| 10/09/2001 | US6298603 Access control vestibule |
| 10/04/2001 | WO2001073422A1 Selective polarization matching filter for triggering and maximizing rapid dielectrokinesis response |
| 10/04/2001 | US20010026156 Method of determining the resistivity of a formation around a cased well |
| 10/03/2001 | CN1316058A Method and apparatus for determining nature of subterranean reservoirs |
| 10/02/2001 | US6297736 Locating concealed conductors |
| 10/02/2001 | US6297639 Method and apparatus for directional well logging with a shield having sloped slots |
| 10/02/2001 | US6297638 Method for controlling cable boring |
| 10/02/2001 | US6297632 Detecting tool motion effects on spin echoes obtained with nuclear magnetic resonance measurements |
| 10/02/2001 | US6297626 Fluid particle sensor apparatus and method for detecting ferrous and non-ferrous metals |
| 10/02/2001 | US6296066 Well system |
| 09/27/2001 | WO2001071388A1 Flux orientation locating in a drilling system |
| 09/27/2001 | WO2001071387A2 Electromagnetic target discriminator sensor system and method for detecting and identifying metal targets |
| 09/27/2001 | WO2001071386A1 Source waveforms for electroseismic exploration |
| 09/27/2001 | WO2001014910A3 Method for developing a system for identifying the presence and orientation of an object in a vehicle |
| 09/27/2001 | WO2001009635A9 Apparatus having a single sensor for locating a concealed conductor energized by an alternating electric field |
| 09/26/2001 | EP1136845A1 Circuit for detecting the presence of a permanent magnet near to an active medical device, for example a cardiac stimulator |
| 09/26/2001 | EP0842443B1 Method for automatically determining stratification beds in a site |
| 09/25/2001 | US6295512 Subsurface mapping apparatus and method |
| 09/25/2001 | US6295504 Multi-resolution graph-based clustering |
| 09/25/2001 | US6294917 Electromagnetic induction method and apparatus for the measurement of the electrical resistivity of geologic formations surrounding boreholes cased with a conductive liner |
| 09/20/2001 | WO2001069288A1 Method for detecting and identifying an object among a plurality of objects, and device therefor |
| 09/20/2001 | WO2001069168A1 Position and electromagnetic field sensor |
| 09/18/2001 | US6292758 Linear perturbation method for Kalman filter tracking of magnetic field sources |
| 09/18/2001 | US6291995 Apparatus and method for generating a pulse sequence |
| 09/18/2001 | CA2221379C Pipeline vehicle |
| 09/13/2001 | WO2001067135A1 Method of interpreting induction logs in horizontal wells |
| 09/13/2001 | WO2001067035A1 Object tracking using a single sensor or a pair of sensors |
| 09/13/2001 | DE10010532A1 Capacitive object recognition for vehicle seats involves assessing time variations of capacitances in seat back or base, and if both assessments agree occupant protection device is activated |
| 09/13/2001 | CA2401898A1 Method of interpreting induction logs in horizontal wells |
| 09/12/2001 | EP0815475B1 Process and device for producing a transponder unit and transponder unit thus produced |
| 09/11/2001 | US6288548 Method and apparatus for making electromagnetic induction measurements through a drill collar |
| 09/07/2001 | WO2001065282A1 Methods and apparatus for non-destructive control and forecasting concrete strength |
| 09/07/2001 | WO2001064813A2 Conductive medium for openhole logging and logging while drilling |
| 09/07/2001 | WO2001009635A3 Apparatus having a single sensor for locating a concealed conductor energized by an alternating electric field |
| 09/07/2001 | WO2001006472A3 Proximity sensor |
| 09/07/2001 | EP1145033A3 Apparatus having a single sensor for locating a concealed conductor energized by an alternating electric field |
| 09/07/2001 | CA2401278A1 Conductive medium for openhole logging and logging while drilling |
| 09/06/2001 | US20010019272 Process for the capacitive object detection in the case of vehicles |
| 09/05/2001 | EP1129894A2 Capacitive object recognition method in vehicles |
| 09/05/2001 | CN1311861A Radar ice sounder with parallel doppler processing |
| 09/04/2001 | US6285190 Skin depth compensation in underground boring applications |
| 09/04/2001 | US6284644 IMD scheme by post-plasma treatment of FSG and TEOS oxide capping layer |
| 09/04/2001 | US6283504 Occupant sensor |
| 08/30/2001 | WO2001063312A1 Electromagnetic position and orientation tracking system with distortion compensation employing wireless sensors |
| 08/30/2001 | US20010017545 Tracking the positional relationship between a boring tool and one or more buried lines using a composite magnetic signal |
| 08/29/2001 | EP1126787A1 Determining the location and orientation of an indwelling medical device |
| 08/29/2001 | CN1310343A RF coil and magnetic resonance imaging method and equipment |
| 08/28/2001 | US6279223 Method for fabrication and testing of a magnichanical sensor |
| 08/22/2001 | EP1125146A1 Nmr logging apparatus and methods for fluid typing |
| 08/22/2001 | EP0852737A4 Lithology-independent gradient nmr gas detection |
| 08/22/2001 | CN1309303A Bi-frequency metal locator |
| 08/22/2001 | CA2299743A1 A method and apparatus for the detection of induced polarization and electrical resistivity in rocks and soils free of the effect of the electromagnetic coupling phenomenon |
| 08/21/2001 | US6278655 Fault location toning method for submarine networks |
| 08/21/2001 | US6278380 Method and apparatus for sensing vehicle |
| 08/21/2001 | CA2121310C Method of measuring inner diameter of pipe |
| 08/16/2001 | WO2001059486A1 An identification device |
| 08/16/2001 | WO2001059484A1 Nuclear magnetic resonsance measurements in well logging using motion triggered pulsing |
| 08/16/2001 | US20010014257 Method of monitoring the diameter of columns made by injection |
| 08/16/2001 | US20010013697 Passenger detection system |
| 08/16/2001 | EP1123489A2 Capacitive measuring device |
| 08/14/2001 | US6275156 EAS ready paperboard |
| 08/09/2001 | WO2001057555A1 Method and apparatus for determining the nature of subterranean reservoirs |
| 08/09/2001 | US20010012915 Ferromagnetic foreign body detection using magnetics |
| 08/09/2001 | US20010011894 Micropower cap acitance-based proximity sensor |
| 08/09/2001 | US20010011889 Magnetic resonance imaging device |