| 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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| 03/15/2001 | WO2001018737A1 Interferometric processing method to identify bed boundaries |
| 03/15/2001 | WO2001018561A2 Ground penetrating radar array and timing circuit |
| 03/07/2001 | EP1080441A1 A method and a system for remote detection of markers |
| 03/07/2001 | EP0948766A4 Method and apparatus for radiofrequency identification tags |
| 03/06/2001 | US6198276 Ferromagnetic-ball sensor using a magnetic field detection element |
| 03/06/2001 | US6195922 Excavator data acquisition and control system and process |
| 03/01/2001 | WO2001015109A1 Magnetic sensor |
| 03/01/2001 | WO2001015104A1 Magnetic sensor |
| 03/01/2001 | WO2001014910A2 Method for developing a system for identifying the presence and orientation of an object in a vehicle |
| 03/01/2001 | WO2001014171A1 Occupancy sensor |
| 03/01/2001 | WO2000075892A3 Signal processsing for object detection system |
| 02/28/2001 | EP1078341A1 Proximity sensor |
| 02/27/2001 | US6194898 System and method for contraband detection using nuclear quadrupole resonance |
| 02/27/2001 | US6194889 Enhancement of tone transmission over cable sheaths for cable location |
| 02/27/2001 | US6194486 Enhanced paint for microwave/millimeter wave radiometric detection applications and method of road marker detection |
| 02/22/2001 | WO2001013143A1 Locating device and method |
| 02/22/2001 | WO2001013142A1 Nmr apparatus and methods for measuring volumes of hydrocarbon gas and oil |
| 02/22/2001 | WO2001013132A1 Fault location device and method |
| 02/21/2001 | CN1285046A Airborne electromagnetic system |
| 02/20/2001 | US6191698 Magnetic testing apparatus |
| 02/20/2001 | US6191593 Method for the non-invasive sensing of physical matter on the detection surface of a capacitive sensor |
| 02/20/2001 | US6191588 Methods and apparatus for imaging earth formation with a current source, a current drain, and a matrix of voltage electrodes therebetween |
| 02/20/2001 | US6191587 Satellite synchronized 3-D magnetotelluric system |
| 02/20/2001 | US6191586 Method and apparatus for azimuthal electromagnetic well logging using shielded antennas |
| 02/20/2001 | US6191585 Tracking the positional relationship between a boring tool and one or more buried lines using a composite magnetic signal |
| 02/20/2001 | US6191580 Configurable inductive proximity detector to detect ferrous or non-ferrous metal objects |
| 02/15/2001 | WO2001011391A1 A method of determining parameters of formations through which a borehole passes |
| 02/15/2001 | WO2001011390A1 Multi-frequency electromagnetic wave resistivity tool with improved calibration measurement |
| 02/15/2001 | WO2000058758A3 Induction logging |
| 02/15/2001 | DE19933333C1 Verfahren und Vorrichtung zur Ortung einer metallischen Leitung Method and device for locating a metal line |
| 02/14/2001 | EP1076225A2 Magnetic displacement detector |
| 02/13/2001 | US6188348 Radar ice sounder with parallel doppler processing |
| 02/13/2001 | US6188228 Hammer having integral stud and mains sensor |
| 02/13/2001 | US6188223 Electric field borehole telemetry |
| 02/13/2001 | US6188222 Method and apparatus for measuring resistivity of an earth formation |
| 02/13/2001 | US6188221 Method and apparatus for transmitting electromagnetic waves and analyzing returns to locate underground fluid deposits |
| 02/13/2001 | US6187609 Compact sensing apparatus having reduced cross section and methods of mounting |
| 02/08/2001 | WO2001009635A2 Apparatus having a single sensor for locating a concealed conductor energized by an alternating electric field |
| 02/08/2001 | DE19933911A1 Meßvorrichtung zur Erkennung von verdeckten ferromagnetischen Strukturen, insbesondere Trapezblechen in unteren Schichten eines Dachaufbaus Measuring device for detection of hidden ferromagnetic structures, especially trapezoidal sheets in the lower layers of the roof structure |
| 02/08/2001 | CA2346141A1 Single sensor concealed conductor locator |
| 02/07/2001 | EP1074674A2 Measuring device for detecting concealed ferromagnetic structures, in particular metal sheets with trapezoidal corrugations located in the inferior layers of a roof covering structure |
| 02/07/2001 | EP1073916A1 Porosity and permeability measurement of underground formations containing crude oil, using epr response data |
| 02/06/2001 | US6184685 Mulitiple spacing resistivity measurements with receiver arrays |
| 02/06/2001 | US6184681 Apparatus and method for computing a distribution of spin-spin relaxation times |
| 02/01/2001 | WO2001007937A1 Apparatus for drilling a borehole with a non-rotating sleeve comprising an nmr sensor |
| 01/31/2001 | EP1072903A1 Apparatus for nuclear magnetic resonance measuring while drilling a borehole |
| 01/31/2001 | EP1072755A1 Apparatus formed from a polyaryletherketone-type thermoplastic material for placement in a borehole |
| 01/31/2001 | EP1071964A1 Magnetic gradient field projection |
| 01/31/2001 | CN2417486Y Instrument for measuring earth magnetic field characteristics |
| 01/30/2001 | US6181138 Directional resistivity measurements for azimuthal proximity detection of bed boundaries |
| 01/30/2001 | US6181132 NMR logging assembly |
| 01/30/2001 | CA2160605C Wave-powered ocean profiler |
| 01/25/2001 | WO2001006472A2 Proximity sensor |
| 01/25/2001 | WO2001006278A1 Logging-while-drilling using a directional sonde |
| 01/24/2001 | EP1070939A2 Method and device for locating metallic conductors |
| 01/24/2001 | EP1046065A4 Electromagnetic logging tool with reflector for directional sensing |
| 01/24/2001 | EP0922238A4 Passive geophysical prospecting apparatus and method based upon detection of discontinuities associated with extremely low frequency electromagnetic fields |
| 01/23/2001 | US6177794 Use of earth field spin echo NMR to search for liquid minerals |
| 01/23/2001 | US6177792 Mutual induction correction for radiator coils of an objects tracking system |
| 01/18/2001 | WO2001004662A1 Propagating wave earth formation resistivity measuring arrangement |
| 01/18/2001 | WO2001004648A1 Occupant sensor |
| 01/18/2001 | WO2001004578A1 Electrical sensor for measuring capacitance change and conversion into a voltage signal |
| 01/18/2001 | CA2378693A1 Propagating wave earth formation resistivity measuring arrangement |
| 01/17/2001 | EP1068546A1 Magnetic resonance detection coil that is immune to environmental noise |
| 01/11/2001 | DE19925760A1 Verfahren und Vorrichtung zur Bestimmung einer Einfallsrichtung von elektromagnetischen Wellen Method and apparatus for determining a direction of incidence of electromagnetic waves |
| 01/10/2001 | EP1066178A1 Method for capacitative object recognition in motor vehicles |
| 01/10/2001 | EP0775324B1 Labeling with a zero field spectroscopy substance |
| 01/09/2001 | US6172504 Metal detector target identification using flash phase analysis |
| 01/03/2001 | EP1065673A2 Measuring cable and plane seal with a plurality of measuring cables arranged on one or both sides |
| 01/03/2001 | EP1065530A1 Soil probing device with optical data transmission |
| 01/03/2001 | EP1065529A2 Method of detecting foreign matter and apparatus therefor |
| 01/03/2001 | EP1064568A1 An interrogator for interrogating an rfid |
| 12/28/2000 | WO2000079308A1 Simultaneous current injection for measurement of formation resistance through casing |
| 12/28/2000 | WO2000079307A1 A method and apparatus for determining the resistivity of a formation surrounding a cased well |
| 12/28/2000 | WO2000079306A1 Method for radial profiling of resistivity at multiple depths of investigation |
| 12/28/2000 | WO2000079305A1 Projected display for portable sensor indicating the location of a detected hidden object |
| 12/28/2000 | DE3841261A1 Verfahren und Vorrichtung zur Kompensierung der Effekte von magnetischen Störungen, die von einem Träger eines Magnetometers mit Gesamtfelderfassung herrühren Method and apparatus for compensating for the effects of magnetic interference, resulting from a carrier of a magnetometer with total detection field |
| 12/27/2000 | EP1063531A1 Magnetic sensor and current sensor |
| 12/27/2000 | EP1062527A1 Eccentric nmr well logging apparatus and method |
| 12/27/2000 | CN2412216Y Double N-arm hydraulic sidewall contact device |
| 12/26/2000 | US6167348 Method and apparatus for ascertaining a characteristic of a geological formation |
| 12/26/2000 | US6167249 Avalanche victim locating transceiving apparatus |
| 12/26/2000 | US6166682 Radar device and object detection method |
| 12/26/2000 | US6166543 Method and apparatus for measuring nuclear magnetic resonance |
| 12/26/2000 | US6166540 Method of resistivity well logging utilizing nuclear magnetic resonance |
| 12/21/2000 | WO2000077531A1 Propagation of waves through materials |
| 12/21/2000 | DE19927170A1 Probe for tracing geological anomalies is hand held |
| 12/20/2000 | CN1277705A Metering circuit |
| 12/19/2000 | US6163292 Method of determining the ability of a medium to absorb electromagnetic waves and a sensor for detecting foreign bodies in the medium |
| 12/19/2000 | US6163259 Pulse transmitting non-linear junction detector |
| 12/19/2000 | US6163155 Electromagnetic wave resistivity tool having a tilted antenna for determining the horizontal and vertical resistivities and relative dip angle in anisotropic earth formations |
| 12/19/2000 | US6163151 Apparatus and method for making nuclear magnetic measurements in a borehole |
| 12/19/2000 | US6161630 Apparatus and method for controlling an underground boring tool |
| 12/19/2000 | CA2279539C Near field electromagnetic proximity determination |
| 12/14/2000 | WO2000075895A1 A method, a system, and a sensor for remote detection of objects, and a method for determining a length of a magnetic element |
| 12/14/2000 | WO2000075894A1 A tag for electronic article identification, a method for encoding an identity code into such a tag, and an apparatus for the identification thereof |
| 12/14/2000 | WO2000075892A2 Signal processsing for object detection system |
| 12/14/2000 | WO2000075695A1 Methods for identifying fluid types of underground formations |
| 12/13/2000 | EP1059542A2 Method and means for detecting metal bodies on a moving web |
| 12/13/2000 | EP1058910A1 Monitoring system |