| 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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| 12/24/2002 | US6497457 Drilling, image, and coal-bed methane production ahead of mining |
| 12/24/2002 | US6497282 Method of monitoring the diameter of columns made by injection |
| 12/24/2002 | CA2134191C Method of correcting for axial and transverse error components in magnetometer readings during wellbore survey operations |
| 12/24/2002 | CA2071067C Borehole liquid acoustic wave transducer |
| 12/19/2002 | WO2002101929A2 Non-contact proximity sensor |
| 12/19/2002 | WO2002100485A1 Guided radiation therapy system |
| 12/19/2002 | WO2002065374A3 Volumetric laminated sand analysis |
| 12/19/2002 | US20020193756 Detectable heavy duty needle |
| 12/19/2002 | US20020193755 Detectable heavy duty needle |
| 12/19/2002 | US20020193685 Guided Radiation Therapy System |
| 12/19/2002 | US20020190718 System and method for detecting an underground object using magnetic field sensing |
| 12/19/2002 | US20020189338 Apparatus and method for syncronized formation measurement |
| 12/19/2002 | CA2449967A1 Guided radiation therapy system |
| 12/18/2002 | EP1266614A1 Medical device with a position sensor |
| 12/18/2002 | EP1266244A2 Electromagnetic target discriminator sensor system and method for detecting and identifying metal targets |
| 12/18/2002 | EP1266243A1 Source waveforms for electroseismic exploration |
| 12/18/2002 | EP1012530B1 Displacement-current method and apparatus for resolving presence, orientation and activity in a defined space |
| 12/18/2002 | EP0853810B1 Heat-treatment of glassy metal alloy for article surveillance system markers |
| 12/18/2002 | CN2526843Y Flow velocity wave generator |
| 12/18/2002 | CN1096613C Detector for organism |
| 12/17/2002 | US6496713 Ferromagnetic foreign body detection with background canceling |
| 12/17/2002 | US6496137 Ground penetrating radar array and timing circuit |
| 12/17/2002 | US6496136 Ground penetrating radar system for non-invasive inspection of trees for internal decay |
| 12/17/2002 | US6496008 Flux plane locating in an underground drilling system |
| 12/17/2002 | US6496003 Magnetic displacement detecting device having linear changing magnetic field over the length of the service |
| 12/12/2002 | WO2002099463A2 System and method for determining oil, water and gas saturations for low-field gradient nmr logging tools |
| 12/12/2002 | WO2002099462A2 System and methods for formation evaluation while drilling |
| 12/12/2002 | WO2002073367A3 Method for merging position and measurement information |
| 12/12/2002 | WO2001051953A3 Determination of t1 relaxation time from multiple wait time nmr logs acquired in the same or different logging passes |
| 12/12/2002 | US20020186013 Method of determining formation anisotropy in deviated wells using separation of induction mode |
| 12/12/2002 | US20020185906 Drilling, image, and coal-bed methane production ahead of mining |
| 12/12/2002 | DE10124915A1 Anordnung zur Erfassung des Belegungszustandes eines Sitzes Arrangement for detecting the occupancy state of a seat |
| 12/12/2002 | CA2449789A1 System and method for determining oil, water and gas saturations for low-field gradient nmr logging tools |
| 12/12/2002 | CA2449787A1 System and methods for formation evaluation while drilling |
| 12/11/2002 | EP1264576A2 Medical broad band electromagnetic holographic imaging |
| 12/11/2002 | CN1384272A Controllable transceiver unit for collecting stratigraphic data in well |
| 12/10/2002 | US6493632 Water saturation and sand fraction determination from borehole resistivity imaging tool, transverse induction logging and a tensorial water saturation model |
| 12/10/2002 | US6492809 Preconditioning spins near a nuclear magnetic resonance region |
| 12/10/2002 | CA2208167C Apparatus and method for determining properties of anisotropic earth formations |
| 12/10/2002 | CA2201092C Method and apparatus for resistivity determination by nuclear magnetic resonance measurement |
| 12/06/2002 | CA2388981A1 Medical broad band electromagnetic holographic imaging |
| 12/05/2002 | WO2002097475A1 High-resolution high-speed nmr well logging device |
| 12/05/2002 | WO2002096719A1 System for the wireless transmission of information and/or energy between a removable vehicle seat and the vehicle body |
| 12/05/2002 | US20020181326 Nonlinear electroseismic exploration |
| 12/05/2002 | US20020180443 Method and apparatus for electromagnetic sounding of geophysical anomalies |
| 12/05/2002 | US20020180435 High-resolution high-speed NMR well logging device |
| 12/05/2002 | DE10220156A1 Vermessungswerkzeug, insbesondere zum Vermessen von Bohrlöchern und Verfahren zum Vermessen von Bohrlöchern Survey tool, particularly for measuring boreholes and method for measuring boreholes |
| 12/04/2002 | EP1261678A2 Conductive medium for openhole logging and logging while drilling |
| 12/04/2002 | EP0765486B1 Determination of petrophysical properties of geologic structures |
| 12/03/2002 | US6489772 Borehole induction coil transmitter |
| 12/03/2002 | US6489771 Passive external noise-canceling dynamic magnetic flux sensor for detecting the presence and direction of movement of a pig in a pipe |
| 12/03/2002 | US6489763 Magnet assembly for nuclear magnetic resonance well logging tools |
| 12/03/2002 | US6488668 Detectable heavy duty needle |
| 12/03/2002 | CA2069282C Debris monitoring system |
| 11/28/2002 | WO2002095450A1 Rapid nmr multi-frequency t1 and t2 acquisition for earth formations evaluation with mwd or wireline tools |
| 11/28/2002 | WO2002095448A2 Active signal conditioning circuitry for well logging and monitoring while drilling nuclear magnetic resonance spectrometers |
| 11/28/2002 | WO2002095447A2 Nmr apparatus and method utilizing pulsed static magnetic fields |
| 11/28/2002 | WO2002006801A3 Nuclear magnetic resonance tool with magnetostrictive noise compensation |
| 11/28/2002 | US20020177954 Processing formation resistivity measurements obtained from within a cased well used to quantitatively determine the amount of oil and gas present |
| 11/28/2002 | US20020175849 Method for locating a concealed object |
| 11/28/2002 | US20020175682 Rapid nmr multi-frequency t1 and t2 acquisition for earth formations evaluation with mwd or wireline tools |
| 11/28/2002 | US20020175681 NMR apparatus and method utilizing pulsed static magnetic fields |
| 11/28/2002 | US20020175490 Occupant judging apparatus |
| 11/27/2002 | EP1259836A2 Method for estimating rock petrophysical parameters using temperature modified nmr data |
| 11/27/2002 | EP0830522B1 Excavator data acquisition and control system and process |
| 11/26/2002 | US6487452 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 |
| 11/26/2002 | US6486673 Segmented field dielectrometer |
| 11/26/2002 | US6486655 Magnetic position sensing techniques |
| 11/26/2002 | CA2311554C Linear perturbation method for kalman filter tracking of magnetic field sources |
| 11/26/2002 | CA2272060C A method of probing drill holes electromagnetically, and a transmitter arrangement and a receiver arrangement for carrying out the method |
| 11/26/2002 | CA2226010C Nmr system and method for formation evaluation using diffusion and relaxation log measurements |
| 11/21/2002 | WO2002093529A1 Device for detecting the presence of objects in a blind angle of a motor vehicle |
| 11/21/2002 | US20020173914 Simultaneous determination of formation angles and anisotropic resistivity using multi-component induction logging data |
| 11/21/2002 | US20020173913 Determination of formation anisotropy using multi-frequency processing of induction measurements with transverse induction coils |
| 11/21/2002 | US20020172948 Method and system for nucleic acid sequencing |
| 11/21/2002 | US20020171427 Magnetic anomaly sensing system and methods for maneuverable sensing platforms |
| 11/21/2002 | US20020171421 Active signal conditioning circuitry for well logging and monitoring while drilling nuclear magnetic resonance spectrometers |
| 11/20/2002 | EP0886794A3 System and method for performing inversion on lwd resistivity logs with enhanced resolution |
| 11/19/2002 | US6484102 System for evaluating fluid distributions of subsurface reservoirs |
| 11/19/2002 | US6484021 Avalanche victim locating transceiving apparatus |
| 11/19/2002 | US6483310 Retrievable, formation resistivity tool, having a slotted collar |
| 11/19/2002 | US6483309 Power frequency magnetic field (PF-MF) detection systems and operating methods therefor |
| 11/19/2002 | US6483304 Magnetic field probe having a shielding and isolating layers to protect lead wires extending between a coil and pads |
| 11/19/2002 | CA2138143C Nuclear magnetic resonance determination of petrophysical properties of geologic structures |
| 11/14/2002 | WO2002091021A1 Detector for locating metallic objects |
| 11/14/2002 | WO2002091020A1 Nonlinear electroseismic exploration |
| 11/14/2002 | WO2002090900A1 Coil impedance detection method and object detection method and apparatus using the same |
| 11/14/2002 | US20020169558 Apparatus and method for analyzing and mapping soil and terrain |
| 11/14/2002 | US20020167418 Steerable transceiver unit for downhole data acquisition in a formation |
| 11/14/2002 | US20020167314 System and method for determining oil, water and gas saturations for low-field gradient NMR logging tools |
| 11/14/2002 | US20020166699 Apparatus and method for wellbore resistivity determination and imaging using capacitive coupling |
| 11/14/2002 | DE10122741A1 Detektor zur Ortung metallischer Gegenstände Detector for locating metallic objects |
| 11/14/2002 | CA2446278A1 Nonlinear electroseismic exploration |
| 11/13/2002 | EP1256818A2 Steerable transceiver unit for downhole acquisition in a formation |
| 11/13/2002 | EP1256021A1 An identification device |
| 11/13/2002 | EP1256020A1 Nuclear magnetic resonsance measurements in well logging using motion triggered pulsing |
| 11/13/2002 | EP1256019A1 Method and apparatus for determining the nature of subterranean reservoirs |
| 11/13/2002 | EP0779992B1 Range-gated field disturbance sensor with range-sensitivity compensation |
| 11/13/2002 | CN1094199C 探测活物体的方法和装置 Method and apparatus for detecting living objects |
| 11/12/2002 | US6480141 Detection of contraband using microwave radiation |