| 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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| 01/20/2011 | CA2760055A1 Method and apparatus for shielding a linear accelerator and a magnetic resonance imaging device from each other |
| 01/19/2011 | EP2275838A2 Method for Determining Resistivity Anistropy From Earth Electromagnetic Transient Step Response and Electromagnetic Transient Peak Impulse Response |
| 01/19/2011 | EP1315984B1 Electromagnetic wave resistivity tool with tilted antenna |
| 01/19/2011 | CN201716425U High-density natural electric field frequency selection and geophysical prospecting measuring apparatus |
| 01/19/2011 | CN201716368U Device for analyzing and identifying phase of cable |
| 01/19/2011 | CN101952744A Model based workflow for interpreting deep-reading electromagnetic data |
| 01/19/2011 | CN101952743A An efficient method for inversion of geophysical data |
| 01/19/2011 | CN101950036A Hidden security inspection door |
| 01/19/2011 | CN101509979B Ground network detecting and positioning method for electric power |
| 01/19/2011 | CN101419294B Multichannel measuring electrode converter and measurement method thereof |
| 01/19/2011 | CN101303416B Control circuit of digital type metal detector |
| 01/18/2011 | US7872477 Multi-component marine electromagnetic signal acquisition cable and system |
| 01/18/2011 | US7872476 NMR probe |
| 01/18/2011 | US7872475 MR imaging with an RF pulse producing reduced magnetization transfer |
| 01/18/2011 | US7872474 Magnetic resonance based apparatus and method to analyze and to measure the bi-directional flow regime in a transport or a production conduit of complex fluids, in real time and real flow-rate |
| 01/18/2011 | US7872473 Compact atomic magnetometer and gyroscope based on a diverging laser beam |
| 01/18/2011 | CA2416921C Side-looking nmr probe for oil well logging |
| 01/18/2011 | CA2405079C A logging sonde for electrically exploring geological formations through which a borehole passes |
| 01/18/2011 | CA2329209C Magnetic field sensing device |
| 01/15/2011 | CA2708533A1 Method for determining resistivity anisotropy from earth electromagnetic tansient step response and electromagnetic transient peak impulse response |
| 01/13/2011 | WO2011006054A2 Apparatus and method for reducing effects of eccentricity in induction tools |
| 01/13/2011 | WO2011005920A2 Borehole stress module and methods for use |
| 01/13/2011 | WO2011005539A2 Deriving an electromagnetic field in one direction based on measurement data of one or more sensing elements for measuring an electromagnetic field in another direction |
| 01/13/2011 | WO2011005281A1 Nmr instrumentation and flow meter/controller methods and apparatus |
| 01/13/2011 | WO2010120593A3 A microfluidic oscillating tube densitometer for downhole applications |
| 01/13/2011 | WO2010117670A3 Measuring with tuned transmitters and broadband receivers |
| 01/13/2011 | WO2010111352A3 Non-planar antennae for directional resistivity logging |
| 01/13/2011 | WO2010107856A3 Relative and absolute error models for subterranean wells |
| 01/13/2011 | WO2010107672A3 Single well reservoir characterization apparatus and methods |
| 01/13/2011 | WO2010102093A3 Collocated tri-axial induction sensors with segmented horizontal coils |
| 01/13/2011 | WO2010102016A3 Atomic magnetometers for use in the oil service industry |
| 01/13/2011 | US20110010095 Potential field data survey |
| 01/13/2011 | US20110006910 Telemetry transmitter optimization using time domain reflectometry |
| 01/13/2011 | US20110006775 Apparatus and Method for Reducing Effects of Eccentricity in Induction Tools |
| 01/13/2011 | US20110006774 Subsurface positioning system and method for monitoring movement underground |
| 01/13/2011 | US20110006773 EM-Guided Drilling Relative to an Existing Borehole |
| 01/13/2011 | US20110006772 Tri-Pod Buried Locator System |
| 01/13/2011 | DE102010024248A1 Dämpfung von durch leitendes Material hindurchgehenden elektromagnetischen Signalen Attenuation of passing through conductive material electromagnetic signals |
| 01/13/2011 | DE102010017281A1 Kapazitiver Insassensensor Capacitive occupant sensor |
| 01/13/2011 | DE102010017280A1 Kapazitiver Insassensensor Capacitive occupant sensor |
| 01/13/2011 | CA2767240A1 Potential field data survey |
| 01/13/2011 | CA2706067A1 Capacitive proximity detection system for an appliance |
| 01/12/2011 | EP1532473B1 Methods and devices for analysis of sealed containers |
| 01/12/2011 | CN201707453U Auxiliary device for radar nondestructive detection used in wall of tunnel |
| 01/12/2011 | CN201707452U Grounding net distribution detector |
| 01/12/2011 | CN201707451U Measuring device of dangerous article in food based on electromagnetic sensor |
| 01/12/2011 | CN201707450U Detection probe for detecting scale inside stainless steel pipe |
| 01/12/2011 | CN201707449U Transient electromagnetic detector transmitter |
| 01/12/2011 | CN201707448U Detection device for detecting neglected loading of screw of nonmetal object |
| 01/12/2011 | CN201707445U Mine disaster monitoring forecaster |
| 01/12/2011 | CN101943760A Measurement device and associated method for use in frequency selection for inground transmission |
| 01/12/2011 | CN101943759A Non-contact sensor for object detection |
| 01/12/2011 | CN101943586A Capacitative sensor assembly with a sensor electrode, a shielding electrode and a background electrode |
| 01/12/2011 | CN101204942B Occupant detection system and occupant protection system |
| 01/12/2011 | CN101074986B Method for NMR device for wellhole |
| 01/11/2011 | US7869951 Method of determining local electromagnetic sensor refractivity |
| 01/11/2011 | US7868618 Magnetic resonance imaging apparatus |
| 01/11/2011 | US7868617 Cooling system and apparatus for controlling drift of a main magnetic field in an MRI system |
| 01/11/2011 | US7868616 Method of and apparatus for in-situ measurement of changes in fluid composition by electron spin resonance (ESR) spectrometry |
| 01/11/2011 | US7868615 Method and device for suppressing motion artifacts in magnetic resonance imaging |
| 01/11/2011 | US7868614 Magnetic resonance system and method |
| 01/11/2011 | US7866404 Tubular member connection |
| 01/11/2011 | CA2360593C Mutual crosstalk elimination in medical systems |
| 01/11/2011 | CA2325348C Quantification of bitumen using nmr |
| 01/07/2011 | CA2708979A1 System and method of monitoring personal protective equipment |
| 01/06/2011 | WO2011003105A2 Millipede surface coils |
| 01/06/2011 | WO2011002863A2 Borehole effect reduction in multi-axial induction |
| 01/06/2011 | WO2011002461A1 Borehole array for ranging and crosswell telemetry |
| 01/06/2011 | WO2011002025A1 Capacitance sensor and manufacturing method thereof |
| 01/06/2011 | WO2011001429A1 A cage in an mrd with a fastening/attenuating system |
| 01/06/2011 | WO2011000500A1 Method and apparatus for removal of the double indication of defects in remote eddy current inspection of pipes |
| 01/06/2011 | WO2011000115A1 System and method for communication between a fluid filtration apparatus and filter |
| 01/06/2011 | WO2010011143A3 Determining earth properties |
| 01/06/2011 | US20110001633 Measurement Device and Associated Method for use in Frequency Selection for Inground Transmission |
| 01/06/2011 | US20110001483 Subsea Electronic Modules |
| 01/06/2011 | US20110001482 Electromagnetic Survey Using Naturally Occurring Electromagnetic Fields as a Source |
| 01/06/2011 | US20110001481 Borehole Effect Reduction in Multi-Axial Induction |
| 01/06/2011 | US20110001480 Airborne Electromagnetic Transmitter Coil System |
| 01/06/2011 | CA2767138A1 System and method for communication between a fluid filtration apparatus and filter |
| 01/06/2011 | CA2765293A1 Method and apparatus for removal of the double indication of defects in remote eddy current inspection of pipes |
| 01/06/2011 | CA2734079A1 Borehole array for ranging and crosswell telemetry |
| 01/05/2011 | EP2270420A1 Method and apparatus for removal of the double indication of defects in remote eddy current inspection of pipes |
| 01/05/2011 | EP2269096A1 Digitally operating device for detecting metallically conductive parts |
| 01/05/2011 | EP2269095A1 Device for detecting metallically conductive parts |
| 01/05/2011 | CN201698036U 便携式磁力仪 The portable magnetometer |
| 01/05/2011 | CN201698035U High-precision underground pipeline detecting instrument |
| 01/05/2011 | CN201698034U Simple quickly-assembled metal detecting door |
| 01/05/2011 | CN201698033U Nondestructive testing device for blockage of oxide skin on inner wall of stainless steel pipe |
| 01/05/2011 | CN201698032U Metal detector |
| 01/05/2011 | CN201698031U System for detecting buried conductor |
| 01/05/2011 | CN201698030U Robot array sensor obstacle detecting device |
| 01/05/2011 | CN201696036U Magnetic positioning oil well diameter logger |
| 01/05/2011 | CN101937106A Method for processing magnetic survey data of seafloor macrorelief survey lines |
| 01/05/2011 | CN101937105A Method for detecting hydrocarbon reservoir by low-frequency signal and device thereof |
| 01/05/2011 | CN101937104A Method for estimating and removing air wave response in marine electromagnetic surveying |
| 01/05/2011 | CN101937097A Cabinet body provided with gamma detector and neutron detector and radioactive substance detection system |
| 01/05/2011 | CN101261327B All-zone couple source frequency domain magnetic depth measuring method and device |
| 01/04/2011 | US7863902 Coherent in-phase demodulation for resistivity image tools with spread spectrum continuous phase modulation stimulus |
| 01/04/2011 | US7863901 Applications of wideband EM measurements for determining reservoir formation properties |
| 01/04/2011 | US7863900 Method for establishing a portion of a boring tool path |