| 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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| 05/03/2011 | US7937165 Method and device for tuning and control |
| 05/03/2011 | US7936171 Baluns, a fine balance and impedance adjustment module, a multi-layer transmission line, and transmission line NMR probes using same |
| 05/03/2011 | US7936170 RF coil and apparatus to reduce acoustic noise in an MRI system |
| 05/03/2011 | US7936169 Polarization analyzer orientation with nuclear magnetic resonance gyroscope |
| 05/03/2011 | CA2656647C Logging device with down-hole transceiver for operation in extreme temperatures |
| 05/03/2011 | CA2476464C Methods and apparatus for sensing angular position of a rotatable shaft |
| 05/03/2011 | CA2455581C Downhole calibration system for directional sensors |
| 04/28/2011 | WO2011050139A2 Synthetic vertical electromagnetic source |
| 04/28/2011 | WO2011049912A1 Microresistivity imaging in conductive and nonconductive drilling fluid |
| 04/28/2011 | WO2011049899A1 Microresistivity imaging at multiple depths of investigation |
| 04/28/2011 | WO2011047472A1 Tow assembly for fixed wing aircraft for geophysical surveying |
| 04/28/2011 | WO2011011512A3 Detector for characterizing a fluid |
| 04/28/2011 | WO2011008707A3 Cancellation of vibration noise in deep transient resistivity measurements while drilling |
| 04/28/2011 | WO2011006054A3 Apparatus and method for reducing effects of eccentricity in induction tools |
| 04/28/2011 | WO2011002863A3 Borehole effect reduction in multi-axial induction |
| 04/28/2011 | WO2010120558A3 Buried object detector |
| 04/28/2011 | WO2009034480A3 Underwater electric field electromagnetic prospecting system |
| 04/28/2011 | WO2009027816A3 Tracking of and communication with mobile terminals using a battery-powered wireless network infrastructure |
| 04/28/2011 | US20110098929 System and method for improving surface electromagnetic surveys |
| 04/28/2011 | US20110095763 Geologic mapping using lightning |
| 04/28/2011 | US20110095757 Non-Destructive Determination of the Pore Size Distribution and The Distribution of Fluid Flow Velocities |
| 04/28/2011 | DE102009050456A1 Device for supporting measuring antenna utilized for transmitting electromagnetic signals for transient electromagnetic measurement, has body with spatial extensions for clamping antenna, where clamping takes place by medium filled in body |
| 04/28/2011 | CA2777874A1 Tow assembly for fixed wing aircraft for geophysical surveying |
| 04/27/2011 | EP2315056A1 Apparatus and Method for Investigating Boreholes filled with Conductive and Non-Conductive Fluids |
| 04/27/2011 | EP2315044A1 Difference magnetometer probe |
| 04/27/2011 | EP2314348A2 Guided radiation therapy system |
| 04/27/2011 | EP2313795A1 Method for attenuating air wave response in marine transient electromagnetic surveying |
| 04/27/2011 | EP2313610A2 Formation evaluation instrument and method |
| 04/27/2011 | CN1945358B High precision measuring method for deep resource based on natural electric field idealization and detecting instrument |
| 04/27/2011 | CN102037212A Drilling wells in compartmentalized reservoirs |
| 04/27/2011 | CN102033247A Method for calculating apparent formation water resistivity spectrum and parameters by applying electric imaging data of point-by-point calibration |
| 04/27/2011 | CN102033246A Row-hook-type deepwater metal deposit detector |
| 04/27/2011 | CN102033245A Acoustic releaser actuating mechanism capable of cutting cable |
| 04/27/2011 | CN101603991B Electric field detector based on CMOS6 NOT gate |
| 04/27/2011 | CN101551470B Method for detecting non-digging deep-buried pipeline |
| 04/27/2011 | CN101458326B Life detecting device based on pseudocode phase-modulated continuous wave system |
| 04/27/2011 | CN101329408B Receiver of underground metal pipeline detector |
| 04/26/2011 | US7932834 Data relay system for instrument and controller attached to a drill string |
| 04/26/2011 | US7932723 Borehole conductivity simulator verification and transverse coil balancing |
| 04/26/2011 | US7932722 Transversely folded gradient coil |
| 04/26/2011 | US7932721 Inductive decoupling of a RF coil array |
| 04/26/2011 | US7932720 Magnetic field gradient structure characteristic assessment using one dimensional (1D) spatial-frequency distribution analysis |
| 04/26/2011 | US7932719 Magnetic resonance contrast using fictitious field relaxation |
| 04/26/2011 | US7932718 System and method using magnetic anomaly field magnitudes for detection, localization, classification and tracking of magnetic objects |
| 04/26/2011 | US7931096 Adaptive user interface for rock drilling rig |
| 04/26/2011 | CA2559348C Tire pressure monitoring system with permanent tire identification |
| 04/26/2011 | CA2554577C Method of eliminating conductive drill parasitic influence on the measurements of transient electromagnetic components in mwd tools |
| 04/26/2011 | CA2412900C Device for sensing magnetically marked paper and marked paper readable by said device |
| 04/21/2011 | WO2011046480A1 Device and method for detection of water flow in ground |
| 04/21/2011 | WO2011044915A1 An electronic anti-theft protection system |
| 04/21/2011 | WO2010143139A3 Sensor assembly |
| 04/21/2011 | WO2010136164A3 Method and arrangement for magnetically determining a position |
| 04/21/2011 | WO2010068401A3 Controlled source fracture monitoring |
| 04/21/2011 | WO2010052609A3 Coil arrangement and magnetic induction tomography system comprising such a coil arrangement |
| 04/21/2011 | US20110090091 Apparatus and methods for controlling and communicating with downwhole devices |
| 04/21/2011 | US20110089951 Microresistivity Imaging in Conductive and Nonconductive Drilling Fluid |
| 04/21/2011 | US20110089950 Microresistivity Imaging at Multiple Depths of Investigation |
| 04/21/2011 | DE102009049821A1 Vorrichtung und Verfahren zur Detektion von elektrisch leitfähigen Gegenständen Device and method for the detection of electrically conductive objects |
| 04/20/2011 | EP2312339A1 Multiple beam directed energy system and operating method thereof |
| 04/20/2011 | EP2312338A1 Method and device for detecting electrically conductive objects |
| 04/20/2011 | EP2311370A1 Magnetic disturber detection method and detector, object-localizing method and system, recording medium for these methods |
| 04/20/2011 | EP2310882A2 Surveying using vertical electromagnetic sources that are towed along with survey receivers |
| 04/20/2011 | EP2310881A2 Proximity detection device for a motor vehicle |
| 04/20/2011 | EP2310867A1 Spin echo spi methods for quantitative analysis of fluids in porous media |
| 04/20/2011 | EP2310628A2 Detecting a structure in a well |
| 04/20/2011 | CN201804125U Wireless electromagnetic wave mine locator |
| 04/20/2011 | CN201804124U Tapered non-polarizing electrode |
| 04/20/2011 | CN201804123U Polarizability measuring device for rocks |
| 04/20/2011 | CN201803693U Scrap plate tension diagonal detection probe device of mud scrapper |
| 04/20/2011 | CN1976118B Boat type ground exploring radar antenna |
| 04/20/2011 | CN102023316A Method for clutter suppression of ground penetrating radar based on degressively convergent image entropy |
| 04/20/2011 | CN102023315A Method for clutter suppression of ground penetrating radar based on energy points cluster |
| 04/20/2011 | CN102023314A Method and system for determining the activity of a person, recording medium for this method |
| 04/20/2011 | CN102023313A Method and system for locating a person, recording medium for this method |
| 04/20/2011 | CN101672932B Induced polarization time domain transmitter equipment for advance geologic prediction for tunnel or underground tunnel |
| 04/20/2011 | CN101672930B Induced polarization time domain receiver equipment for advance geologic prediction for tunnel or underground tunnel |
| 04/20/2011 | CN101672929B Method for exploring water bearing stratum in front of tunnel heading in tunnel and estimating water yield of water bearing stratum |
| 04/20/2011 | CN101581794B GPRS-based remote measuring and controlling system of multi-frequency induced polarization instrument |
| 04/20/2011 | CN101561513B Device and method for observing three-dimensional DC method simulation experiment |
| 04/20/2011 | CN101548055B Urine bowl device |
| 04/20/2011 | CN101324477B High definition mechanical system of pipe leakage detector |
| 04/20/2011 | CN101126816B NMR method for measuring flow rate of a wellbore and its uses |
| 04/19/2011 | US7930103 Utility mapping and data distribution system and method |
| 04/19/2011 | US7929812 Methods and apparatus for single fiber optical telemetry |
| 04/19/2011 | US7928861 Telemetry wave detection apparatus and method |
| 04/19/2011 | US7928820 Superconducting magnet and magnetic resonance imaging apparatus |
| 04/19/2011 | US7928733 Concentric buttons of different sizes for imaging and standoff correction |
| 04/19/2011 | US7928732 Subsurface conductivity imaging systems and methods |
| 04/19/2011 | US7928731 Arrangement to adjust the homogeneity of a basic magnetic field |
| 04/19/2011 | US7928730 Electromagnet apparatus generating a homogeneous magnetic field with ferromagnetic members arranged inside cryogenic vessels |
| 04/19/2011 | US7928729 Distortion-free magnetic resonance imaging near metallic implants |
| 04/19/2011 | US7928728 Visualizing high-resolution diffusion data by maximum coherence projection |
| 04/19/2011 | US7928605 Electrical power supply arrangement for a downhole measurement assembly |
| 04/19/2011 | CA2511104C Antenna, tag communication apparatus, tag communication system, scanning adjusting method for tag communication apparatus and computer readable medium |
| 04/14/2011 | WO2011044534A2 System and method for electrical resistivity tomography and/or electrical impedance tomography |
| 04/14/2011 | WO2011044069A1 Well drilling method utilizing real time response to ahead of bit measurements |
| 04/14/2011 | WO2011043947A2 Sensor deployment and retrieval system using fluid drag force |
| 04/14/2011 | WO2011043851A1 Deep evaluation of resistive anomalies in borehole environments |
| 04/14/2011 | WO2011043688A1 Method for geo-electrical prospection |
| 04/14/2011 | WO2011043377A1 Object detecting device |