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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12/02/2004 | US20040238587 Manually operated working tool |
12/01/2004 | EP1481636A1 Apparatus, method and software for tracking an object |
12/01/2004 | EP1481391A1 Methods and systems for generating phase-derivative sound |
12/01/2004 | CN1552035A Method of imaging subsurface formations using a virtual source array |
12/01/2004 | CN1178072C Method for determining nature of subterranean reservoirs |
11/30/2004 | US6825793 System and method for detecting and locating underground objects |
11/30/2004 | US6825775 Method and system for reducing interference |
11/30/2004 | US6825765 Occupant detection system |
11/30/2004 | US6825659 Method and apparatus for nuclear magnetic resonance measuring while drilling |
11/30/2004 | US6825658 NMR logging apparatus and methods for fluid typing |
11/30/2004 | US6825657 Magnetic resonance method for characterizing fluid samples withdrawn from subsurface earth formations |
11/30/2004 | US6825456 Signal processing for object detection system |
11/30/2004 | CA2304310C Resistivity log correction method |
11/29/2004 | CA2468324A1 Dynamic metal immunity by hysteresis |
11/25/2004 | WO2004102222A1 Object detector, method for detecting object, program for detecting object, distance sensor |
11/25/2004 | WO2004102173A2 Time-domain data integration of multiple gradient, multiple te echo trains |
11/25/2004 | WO2004086090A3 A method for monitoring a high-resistivity reservoir rock formation |
11/25/2004 | WO2003075749A3 Method and apparatus for refinably accurate localization of devices and instruments in scattering environments |
11/25/2004 | US20040235455 Integrating GSM and WiFi service in mobile communication devices |
11/25/2004 | US20040233048 Device for detecting the presence of objects in a blind angle of a motor vehicle |
11/25/2004 | US20040232917 Detection of subsurface resistivity contrasts with application to location of fluids |
11/25/2004 | US20040232915 Method for eliminating effects of acoustic excitations in nmr data |
11/25/2004 | US20040232774 Judgment lock for occupant detection air bag control |
11/25/2004 | US20040232329 Radar imaging apparatus |
11/25/2004 | DE102004011674A1 Minensuchsonde Mine detection probe |
11/24/2004 | EP1478950A1 Measuring appliance comprising integrated operating instructions |
11/24/2004 | EP1478949A1 Method and measuring device for locating enclosed objects |
11/24/2004 | EP1478948A1 Method and measuring appliance for locating enclosed objects |
11/24/2004 | EP1478947A1 Method and measuring appliance for enclosed objects |
11/24/2004 | EP1478824A2 Well system |
11/24/2004 | CN1548986A Detecting tool motion effects on nuclear magnetic resonance measurements |
11/23/2004 | US6823205 Synthetic images for a magnetic resonance imaging scanner using linear combination of source images to generate contrast and spatial navigation |
11/23/2004 | US6822579 Steerable transceiver unit for downhole data acquistion in a formation |
11/23/2004 | US6822454 Microfluidic device with multiple microcoil NMR detectors and field gradient focusing |
11/23/2004 | US6822429 Inductive sensor arrangement comprising three sense coils cooperating with said three field coils to form three field/sense coil pairs and method for detecting of ferrous metal objects |
11/23/2004 | US6822171 Article handling system |
11/23/2004 | CA2246298C Multiple frequency method for nuclear magnetic resonance longitudinal relaxation measurement and pulsing sequence for power use optimization |
11/18/2004 | WO2004099817A2 Systems and methods for nmr logging |
11/18/2004 | WO2004099816A2 Method for predicting properties of a sedimentary deposit from a thickness contour of the deposit |
11/18/2004 | WO2004099552A2 Determining gradients using a multi-probed formation tester |
11/18/2004 | US20040230726 Topology for shared memory computer system |
11/18/2004 | US20040230378 Determining gradients using a multi-probed formation tester |
11/18/2004 | US20040227517 System and method for locating underground utilities carrying passive signals |
11/18/2004 | US20040227514 Synthetic images for a magnetic resonance imaging scanner using linear combination of source images to generate contrast and spatial navigation |
11/18/2004 | US20040227512 Systems and methods for estimating properties of a sample |
11/18/2004 | CA2523520A1 Method for predicting properties of a sedimentary deposit from a thickness contour of the deposit |
11/18/2004 | CA2521679A1 Method of estimating the spatial variation of magnetic resonance imaging radiofrequency (rf) signal intensities within an object from the measured intensities in a uniform spin density medium surrounding the object |
11/17/2004 | EP1477953A2 Moving body detection system |
11/17/2004 | EP1476771A1 Positioning system for data acquisition |
11/17/2004 | EP1476770A1 Side-looking nmr probe for oil well logging |
11/17/2004 | EP1402639B1 Non-contact proximity sensor |
11/16/2004 | US6819242 Apparatus for use with capacitive presence detection systems |
11/16/2004 | US6819241 System and method for scanning individuals for illicit objects |
11/16/2004 | US6819115 Fault location device and method |
11/16/2004 | US6819112 Method of combining vertical and magnetic dipole induction logs for reduced shoulder and borehole effects |
11/16/2004 | US6819111 Method of determining vertical and horizontal resistivity, and relative dip in anisotropic earth formations having an arbitrary electro-magnetic antenna combination and orientation with additional rotation and position measurements |
11/16/2004 | US6819110 Electromagnetic resistivity logging instrument with transverse magnetic dipole component antennas providing axially extended response |
11/16/2004 | US6819109 Magnetic detector extendable wand |
11/16/2004 | CA2358124C Water saturation and sand fraction determination from borehole resistivity imaging tool, transverse induction logging and a tensorial water saturation model |
11/11/2004 | WO2004097459A1 Seismic-electric water-table detection system and method |
11/11/2004 | WO2004097456A2 Systems and methods for a portable walk-through metal detector |
11/11/2004 | WO2004097173A1 An improved shielded apparatus for electrically exploring geological formation through which a borehole passes |
11/11/2004 | US20040225441 Automated borehole geology and petrophysics interpretation using image logs |
11/11/2004 | US20040225213 Magnetic resonance imaging coated assembly |
11/11/2004 | US20040222887 Microwave sensor |
11/11/2004 | US20040222805 Device for the simultaneous application of electrical signals and measurement of the electrical potential in a sample |
11/11/2004 | US20040222801 Process for determining the position of an influencing element with an inductive position sensor |
11/11/2004 | US20040222791 Time-domain data integration of multiple gradient, multiple TE echo trains |
11/11/2004 | DE10207722B4 Probenkopf für ein Elektronenspinresonanz-Dosimeter Probe head for an electron spin resonance dosimeter |
11/11/2004 | DE102004015889A1 Vorrichtung und Verfahren zum Orten von Kabeln Apparatus and method for locating cables |
11/10/2004 | EP1474709A1 Electronic marker locator system and method |
11/10/2004 | EP1474708A1 Locating device and corresponding method |
11/10/2004 | EP1171773A4 Permeability-modulated carrier referencing |
11/10/2004 | CN2655259Y Pulse width changeable power supplying transmitter |
11/10/2004 | CN1545628A 增益系数和位置确定系统 Determining the system gain factor and location |
11/10/2004 | CN1544960A Broad spectrum current drive measuring system and measuring mode |
11/10/2004 | CN1544959A Resistance tomography data acquisition system based on bipolar pulse current drive |
11/09/2004 | US6816794 Apparatus and method for detecting contamination of object by a metal |
11/09/2004 | US6816787 Generating and displaying a virtual core and a virtual plug associated with a selected piece of the virtual core |
11/09/2004 | US6816077 Multiple sensor vehicle occupant detection for air bag deployment control |
11/09/2004 | US6815954 Method and apparatus for full offset resistivity imaging for use in boreholes |
11/09/2004 | US6815953 Detecting field distortion in underground line location |
11/09/2004 | US6815950 J-spectroscopy in the wellbore |
11/09/2004 | US6815946 Magnetically activated well tool |
11/09/2004 | US6815945 Apparatus detecting relative body movement |
11/09/2004 | CA2327157C Method and apparatus for directional well logging |
11/04/2004 | WO2004095076A1 Buried line locator with integral position sensing |
11/04/2004 | US20040220741 Adjustment for frequency dispersion effects in electromagnetic logging data |
11/04/2004 | US20040218471 Method and device for detecting objects, especially used as a parking assistance device in a motor vehicle |
11/04/2004 | US20040217879 Motor pulse controller |
11/04/2004 | US20040217862 Systems and methods for a portable walk-through metal detector |
11/04/2004 | US20040217861 Efficient electronics for a walk-through metal detector |
11/04/2004 | US20040217763 Loop antenna circuit useful in subterranean tool |
11/04/2004 | US20040216923 Boring technique using locate point measurements for boring tool depth prediction |
11/03/2004 | EP1472811A2 Burst qam downhole telemetry system |
11/03/2004 | EP1309888B1 Apparatus and method for synchronized formation measurement |
11/03/2004 | EP0852737B1 Lithology-independent gradient nmr gas detection |
11/03/2004 | CN1174261C Flow speed wave generating method |
11/02/2004 | US6812704 Device for evaluating the density of protons present in a given body using nmr |
11/02/2004 | US6812699 Systems and methods for tuning an RF pulse by changing a pulse width of the RF pulse |