| 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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| 02/04/2003 | US6515480 Casing/push bore monitor technique |
| 02/04/2003 | CA2345567C A permanently emplaced electromagnetic system and method for measuring formation resistivity adjacent to and between wells |
| 02/04/2003 | CA2277662C Nuclear magnetic resonance logging with azimuthal resolution using gradient coils |
| 01/30/2003 | US20030023381 Virtual steering of induction tool attenuation and phase difference measurements |
| 01/30/2003 | US20030021078 Object sensing |
| 01/30/2003 | US20030020647 System and method for automated alerting to geospatial anomalies |
| 01/30/2003 | US20030020473 Preconditioning sping near a nuclear magnetic resonance region |
| 01/29/2003 | EP1280093A2 System and method for improved object identification |
| 01/29/2003 | EP1279050A1 A generic, accurate, and real time borehole correction for resistivity tools |
| 01/29/2003 | EP1192456A4 Casing joint locator methods and apparatus |
| 01/29/2003 | EP0939912B1 A method of probing drill holes electromagnetically, and a transmitter arrangement and a receiver arrangement for carrying out the method |
| 01/29/2003 | EP0845109B1 System for and method of determining the location of an object in a medium |
| 01/29/2003 | CN2533476Y 电缆路径探测仪 Cable path detector |
| 01/28/2003 | US6512371 System and method for determining oil, water and gas saturations for low-field gradient NMR logging tools |
| 01/28/2003 | US6512356 Apparatus and method for determining electrical polarization of distribution of a vessel |
| 01/23/2003 | WO2003007476A2 Compressible capacitance sensor for determining the presence of an object |
| 01/23/2003 | WO2002090900A8 Coil impedance detection method and object detection method and apparatus using the same |
| 01/23/2003 | US20030018434 Method for determination of apparent resistivities of anisotropic reservoirs |
| 01/23/2003 | US20030016131 Steerable three-dimensional magnetic field sensor system for detection and classification of metal targets |
| 01/23/2003 | US20030016020 Method and apparatus using antennas to measure electrical anisotropy |
| 01/23/2003 | US20030016013 NMR data acquisition with multiple interecho spacing |
| 01/23/2003 | US20030016012 NMR logging apparatus and methods for fluid typing |
| 01/23/2003 | US20030016008 Pulsed excited proximity sensor |
| 01/23/2003 | US20030016006 Method and apparatus for electromagnetic position and orientation tracking with distortion compensation employing modulated signal |
| 01/22/2003 | EP1278077A2 Pulsed excited proximity sensor |
| 01/22/2003 | EP1277069A1 Probe for detecting the structure of a dielectric medium |
| 01/22/2003 | CN1392420A Surveying and detecting using vibrative electric signal and earthquate wave |
| 01/21/2003 | US6510106 Systems and methods for locating subsurface objects |
| 01/21/2003 | US6509738 Electromagnetic induction well logging instrument having azimuthally sensitive response |
| 01/21/2003 | CA2320677C Electromagnetic induction coil sensor |
| 01/16/2003 | WO2003005063A1 Administration system of layer under the ground using intelligence marker |
| 01/16/2003 | US20030012411 System and method for displaying and collecting ground penetrating radar data |
| 01/16/2003 | US20030011371 Passive, active and semi-active cancellation of borehole effects for well logging |
| 01/16/2003 | US20030011370 Flux orientation locating in a drilling system |
| 01/16/2003 | US20030011366 Estimating permeability without determinating a distribution of relaxation times |
| 01/16/2003 | US20030010432 Process and device for producing electronic anti-theft elements |
| 01/15/2003 | EP1275016A1 Metal detector |
| 01/15/2003 | EP0793812B1 Method and apparatus for detecting underground utility conveyances |
| 01/09/2003 | WO2003003581A1 Capacitive proximity switch comprising two sensor electrodes |
| 01/09/2003 | WO2003003323A1 Electronic article surveillance antenna for attachment to a vertical structure |
| 01/09/2003 | WO2003003056A1 Nmr data acquisition with multiple interecho spacing |
| 01/09/2003 | WO2003003055A2 Downhole measurement of rock properties |
| 01/09/2003 | WO2003003046A2 Method for correcting downhole nmr data contaminated by borehole signals |
| 01/09/2003 | WO2003003025A2 Ultra sensitive magnetic field sensors |
| 01/09/2003 | WO2003002850A1 Measurement device and support for use in a well |
| 01/09/2003 | WO2002086542A8 A method and apparatus for identifying buried objects using ground penetrating radar |
| 01/09/2003 | US20030009286 Soil characteristics survey device and soil characteristics survey method |
| 01/09/2003 | US20030009273 Occupant Detection System |
| 01/09/2003 | US20030006769 Method for determining decay characteristics of multi-component downhole decay data |
| 01/09/2003 | US20030006768 Magnetic resonance method for characterizing fluid samples withdrawn from subsurface earth formations |
| 01/09/2003 | US20030006767 Method for correcting downhole NMR data contaminated by borehole signals |
| 01/09/2003 | US20030006766 NMR data acquisition with multiple interecho spacing |
| 01/09/2003 | US20030006071 Apparatus and method for horizontal drilling |
| 01/09/2003 | US20030005775 Compressible capacitance sensor for determining the presence of an object |
| 01/09/2003 | DE20121612U1 Capacitive sensor for washrooms has separate electrode with larger capacitance |
| 01/09/2003 | DE10128849C1 Electromagnetic object detection method uses battery-operated detector with intermediate energy storage between individual detection pulses for extending battery working life |
| 01/09/2003 | DE10126191C1 Anordnung zur drahtlosen Informations- und/oder Energieübertragung zwischen einem herausnehmbaren Fahrzeugsitz und der Fahrzeugkarosserie Arrangement for wireless information and / or energy transfer between a removable vehicle seat and the vehicle body |
| 01/09/2003 | CA2451407A1 Downhole measurement of rock properties |
| 01/09/2003 | CA2449476A1 Electronic article surveillance antenna for attachment to a vertical structure |
| 01/08/2003 | EP1272862A1 Detecting errors in the determination of magnetic location or orientation |
| 01/08/2003 | EP1019755B1 Resistivity log correction method |
| 01/08/2003 | CN1389744A Underground ferromagnetic pipeline detecting method and device |
| 01/07/2003 | US6504364 Method and apparatus for improved electomagnetic measurement of metallic material |
| 01/03/2003 | WO2003001244A1 A gain factor and position determination system |
| 01/03/2003 | WO2002082353B1 Determination of formation anisotropy using multi-frequency processing of induction measurements with transverse induction coils |
| 01/03/2003 | CA2451862A1 A gain factor and position determination system |
| 01/02/2003 | US20030004647 Multi-frequency array induction tool |
| 01/02/2003 | US20030004646 Method of and apparatus for independently determining the resistivity and/or dielectric constant of an earth formation |
| 01/02/2003 | US20030001855 Method of mapping going |
| 01/02/2003 | US20030001739 Electronic article surveillance antenna for attachment to a vertical structure |
| 01/02/2003 | US20030001576 Method for induced-impedance isolation using magnetic induction |
| 01/02/2003 | US20030001570 Method and apparatus for detecting a target material in a sample by pre-screening the sample for piezoelectric resonance |
| 01/02/2003 | US20030001569 Rapid NMR multi-frequency T1 and T2 acquisition for earth formations evaluation with MWD or wireline tools |
| 01/02/2003 | US20030001568 Measurement technique and apparatus for high-resolution multi-volume NMR well logging |
| 01/02/2003 | US20030001567 Magnetic field probe having a shielding layer to protect lead wires with an isolating layer |
| 01/02/2003 | US20030001556 Cable location system using magnetic induction |
| 01/02/2003 | EP1269222A1 Method of interpreting induction logs in horizontal wells |
| 01/02/2003 | EP1269111A1 Object tracking using a single sensor or a pair of sensors |
| 01/02/2003 | EP1269110A1 Position and electromagnetic field sensor |
| 01/02/2003 | EP0990176A4 A sensor panel and a detection apparatus incorporating the same |
| 01/02/2003 | EP0928430B1 Multi-layer magnetic tag |
| 12/31/2002 | US6502036 2-D inversion of multi-component induction logging data to resolve anisotropic resistivity structure |
| 12/31/2002 | US6501414 Method for locating a concealed object |
| 12/31/2002 | US6501413 Timing and control and data acquisition for a multi transducer ground penetrating radar system |
| 12/31/2002 | US6501276 Frequency domain electromagnetic geophysical mapping instruments |
| 12/31/2002 | US6499359 Compressible capacitance sensor for determining the presence of an object |
| 12/31/2002 | CA2188136C Antenna arrangement |
| 12/27/2002 | WO2002103905A1 High frequency oscillation type proximity sensor |
| 12/27/2002 | WO2002103395A2 System and methods for nmr signal processing without phase alternated pair stacking |
| 12/27/2002 | WO2002076294A3 Simplified water-bag technique for magnetic susceptibility measurements on the human body and other specimens |
| 12/27/2002 | WO2002063334A3 Integrated circuit for a radar device in a hermetically sealed housing comprising a patch antenna formed from a bent component from sheet metal |
| 12/27/2002 | CA2455383A1 System and methods for nmr signal processing without phase alternated pair stacking |
| 12/26/2002 | US20020198676 Gain factor and position determination system |
| 12/26/2002 | US20020196177 Ground penetrating radar with audible output |
| 12/26/2002 | US20020196018 A nuclear magnetic resonance apparatus and method having toroidal antenna windings |
| 12/26/2002 | US20020196017 System and methods for nmr signal processing without phase alternated pair stacking |
| 12/25/2002 | CN1097422C Compact transponder and manufacture thereof |
| 12/24/2002 | US6498484 Method for reducing ringing in nuclear magnetic resonance well logging instruments |
| 12/24/2002 | US6498477 Mutual crosstalk elimination in medical systems using radiator coils and magnetic fields |
| 12/24/2002 | US6497918 Process and device for producing electronic anti-theft elements |