| 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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| 10/23/2003 | DE20311529U1 Video mirror for detecting hidden objects e.g. under vehicles has video cameras instead of mirrors and consists of rod, monitor and housing, which has integrated video cameras, microphone, sensors and metal detector |
| 10/23/2003 | CA2482807A1 Phase discrimination for micro electrical measurement in non-conductive fluid |
| 10/22/2003 | EP1355171A1 Phase discrimination for micro electrical measurement in non-conductive fluid |
| 10/22/2003 | EP1354222A1 Induction logging antenna |
| 10/22/2003 | CN1450364A Focusing type phase dielectric well logging method and instrument thereof |
| 10/21/2003 | US6636827 Foreign-matter detector and foreign-matter detecting system |
| 10/21/2003 | US6636045 Method of determining formation anisotropy in deviated wells using separation of induction mode |
| 10/21/2003 | US6636044 Ground mineralization rejecting metal detector (receive signal weighting) |
| 10/21/2003 | US6636043 Variable resolution vector positional display for use with an underground object locating system |
| 10/21/2003 | US6636042 Under and above ground, radio frequency driven element, vector display, metal locating system |
| 10/21/2003 | CA2363981C Method and apparatus for communicating data in a wellbore and for detecting the influx of gas |
| 10/16/2003 | WO2003056353A3 Compact, autonomous robotic detection and identification sensor system of unexploded ordnance site remediation |
| 10/16/2003 | WO2003044565A3 Method for metal object identification using a three-dimensional steerable magnetic field antenna |
| 10/16/2003 | WO2003036041A3 In situ recovery from a hydrocarbon containing formation using barriers |
| 10/16/2003 | WO2000038958A8 Occupant sensor |
| 10/16/2003 | US20030193429 Device and method for the detection of buried objects |
| 10/16/2003 | US20030192691 In situ recovery from a hydrocarbon containing formation using barriers |
| 10/15/2003 | EP1352258A1 Magnetic field generating assembly and method |
| 10/14/2003 | US6633252 Radar plow drillstring steering |
| 10/14/2003 | US6633163 Apparatus and method for detecting an underground cable while operating a piece of machinery |
| 10/14/2003 | US6631776 Magnetic sensor |
| 10/14/2003 | CA2161500C Method and apparatus for measuring mud resistivity in a wellbore including a probe having a bottom electrode located at the bottom of a tool string and propagating a current from and to the bottom electrode in a direction parallel to a longitudinal axis of the tool |
| 10/14/2003 | CA2155691C Single well transient electromagnetic measuring tool and method |
| 10/09/2003 | WO2003036038A3 In situ thermal processing of a hydrocarbon containing formation via backproducing through a heater well |
| 10/09/2003 | US20030189511 Non-contact radar system for reconstruction of scenes obscured under snow and similar material |
| 10/09/2003 | US20030189428 Time domain induction method and apparatus for locating buried objects in a medium by inducing and measuring transient eddy currents |
| 10/09/2003 | US20030189427 Method and apparatus for locating objects using parametric inversion |
| 10/09/2003 | DE20023334U1 Detector for sensing metal parts in nonconductive conveyed material, uses vectorial addition circuit to add signals from two or more sensors arranged along conveyor |
| 10/08/2003 | EP1350125A1 Compensated multi-mode electromagnetic wave resistivity tool |
| 10/08/2003 | EP0830618B1 Range gated strip proximity sensor |
| 10/08/2003 | CN1447924A Method and appts. for determining nature of subterranean reservoirs |
| 10/08/2003 | CN1123779C Failure tester for electric power cable |
| 10/07/2003 | US6631328 Method of determining resistivity of an earth formation with phase resistivity evaluation based on a phase shift measurement and attenuation resistivity evaluation based on an attenuation measurement and the phase shift measurement |
| 10/07/2003 | US6630831 Measurements of electrical properties through non magneticially permeable metals using directed magnetic beams and magnetic lenses |
| 10/07/2003 | US6630830 Shielding method and apparatus using flexible strip |
| 10/04/2003 | CA2424499A1 Method for determining parameters of earth formations surrounding a well bore |
| 10/02/2003 | WO2003080996A1 Method for determining the position of a drill head in the ground |
| 10/02/2003 | US20030187581 Flux plane locating in an underground drilling system |
| 10/02/2003 | US20030184488 Simplified antenna structures for logging tools |
| 10/02/2003 | US20030184305 Displacement measuring system and method |
| 10/02/2003 | US20030184304 Antenna structures for electromagnetic well logging tools |
| 10/02/2003 | US20030184303 Current-directing apparatus for use with a downhole tool |
| 10/02/2003 | US20030184302 Electromagnetic resistivity instrument having look ahead capability |
| 10/02/2003 | US20030184301 Apparatus for measuring terrain conductivity |
| 10/02/2003 | US20030184300 underground locator with a laser marking device. |
| 10/02/2003 | US20030184295 Device for evaluating the density of protons present in a given body using nmr |
| 10/02/2003 | US20030183390 Methods and systems for heating a hydrocarbon containing formation in situ with an opening contacting the earth's surface at two locations |
| 10/01/2003 | EP1348106A1 Detection of passing magnetic articles while adapting the detection threshold |
| 10/01/2003 | EP1057136B1 Induction sensor |
| 10/01/2003 | CN1122859C NMR logging of natural gas reservoirs |
| 10/01/2003 | CN1122858C NMR Logging of natural gas in reservoirs |
| 10/01/2003 | CN1122855C Nucler magnetic resonance device and method for generating axially symmetric magnetic field |
| 10/01/2003 | CA2424220A1 Displacement measuring system and method |
| 09/30/2003 | US6628206 Method and system for the transmission of informations by electromagnetic wave |
| 09/30/2003 | US6628119 Method and apparatus for determining the content of subterranean reservoirs |
| 09/30/2003 | US6628118 Method and apparatus for control of magnetic flux direction and concentration |
| 09/25/2003 | WO2003077725A2 Mri protector |
| 09/25/2003 | WO2003012478A3 System for recovering information from a magnetic field signal usable for locating an underground object and method |
| 09/25/2003 | US20030179000 Position and electromagnetic field sensor |
| 09/25/2003 | US20030178994 Nuclear magnetic resonance method and logging apparatus |
| 09/24/2003 | EP1347311A2 Method for detecting objects, particularly metal objects |
| 09/24/2003 | EP1151325A4 High resolution array induction tool |
| 09/24/2003 | CN2575688Y Optical digital combined zoom lens control device for ultramicroscope |
| 09/24/2003 | CN1444056A Array laterologging instrument with several vertical resolutions |
| 09/24/2003 | CN1444055A Array microresistivity logging insturment with several vertical resolutions |
| 09/24/2003 | CN1443511A Radio-frequency pulse tuning method and device |
| 09/23/2003 | US6625563 Gain factor and position determination system |
| 09/23/2003 | US6624634 Borehole current correction methods and apparatus |
| 09/23/2003 | US6624629 Optimizing characteristics of RF pulses used in NMR measurements |
| 09/23/2003 | US6624626 Method and apparatus for electromagnetic position and orientation tracking with distortion compensation employing modulated signal |
| 09/23/2003 | CA2151743C Apparatus for locating buried conductors |
| 09/18/2003 | WO2003076969A2 Use of a multicomponent induction tool for geosteering and formation resistivity data interpretation in horizontal wells |
| 09/18/2003 | WO2003076968A1 An apparatus and method for wellbore resistivity determination and imaging using capacitive coupling |
| 09/18/2003 | WO2003075749A2 Method and apparatus for refinably accurate localization of devices and instruments in scattering environments |
| 09/18/2003 | US20030176781 RF pulse tuning method and apparatus |
| 09/18/2003 | US20030174057 Firearm detection system including door fixing device |
| 09/18/2003 | US20030173968 Method and apparatus for investigating the wall of a borehole |
| 09/18/2003 | US20030173964 Magnet device and magnetic resonance imaging apparatus comprising it |
| 09/18/2003 | US20030173072 Forming openings in a hydrocarbon containing formation using magnetic tracking |
| 09/18/2003 | CA2478157A1 Method and apparatus for the use of multicomponent induction tool for geosteering and formation resistivity data interpretation in horizontal wells |
| 09/17/2003 | EP1344090A1 Temperature compensated magnetic circuit |
| 09/17/2003 | EP1103007B1 Capacitive proximity switch for evaluating minor changes in capacitance and method therefor |
| 09/16/2003 | US6622093 Method and system for predicting rapid motion in earth's crust on basis of electromagnetic field observation |
| 09/16/2003 | US6621448 Non-contact radar system for reconstruction of scenes obscured under snow and similar material |
| 09/16/2003 | US6621418 Device warning against the presence of dangerous objects |
| 09/12/2003 | WO2003003025A3 Ultra sensitive magnetic field sensors |
| 09/12/2003 | WO2002086459B1 An apparatus and method for wellbore resistivity determination and imaging using capacitive coupling |
| 09/11/2003 | US20030171673 Method and apparatus for refinably accurate localization of devices and instruments in scattering environments |
| 09/11/2003 | US20030171669 MRI protector |
| 09/11/2003 | US20030171021 Socket for electrical parts |
| 09/11/2003 | US20030169053 Method of measuring in-medium dielectric constant for electromagnetic prober, and electromagnetic prober |
| 09/11/2003 | US20030169045 Method and apparatus for a rigidly joined together and floating bucking and receiver coil assembly for use in airborne electromagnetic survey systems |
| 09/11/2003 | US20030169040 Method and apparatus for NMR measurement of wettability |
| 09/10/2003 | EP1000370B1 Enhanced detection method |
| 09/10/2003 | CN2572647Y Multiplex power supply system for portable geophysical prospecting instrument |
| 09/10/2003 | CN1120990C Underground imaging radar with impact pulses |
| 09/09/2003 | US6618676 Efficient and accurate pseudo 2-D inversion scheme for multicomponent induction log data |
| 09/09/2003 | US6617996 Ground penetrating radar with audible output |
| 09/09/2003 | US6617854 Tracking the positional relationship between a boring tool and one or more buried lines using a composite magnetic signal |
| 09/09/2003 | US6615653 In situ method for determining soil liquefaction tendency and its prevention by electro-osmosis |