| 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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| 01/11/2005 | US6841994 Magnetic anomaly sensing system for detection, localization and classification of magnetic objects |
| 01/11/2005 | CA2416520C Nuclear magnetic resonance tool with magnetostrictive noise compensation |
| 01/11/2005 | CA2355083C High resolution array induction tool |
| 01/06/2005 | US20050001633 Object detection sensor |
| 01/06/2005 | US20050001624 Apparatus and method for resistivity measurements during rotational drilling |
| 01/06/2005 | US20050001623 Method for attenuating conductive sonde mandrel effects in an electromagnetic induction well logging apparatus |
| 01/06/2005 | US20050001622 Airborne electromagnetic time domain system, computer product and method |
| 01/05/2005 | DE20319194U1 Low-weight, high sensitivity metal detector is based on pair of sine wave oscillators, connecting a Meissner oscillator to the search coil system |
| 01/05/2005 | DE102004021053A1 Magnetfeldsensoreinrichtung Magnetic field sensor means |
| 01/05/2005 | CN1560654A Downhole NMR tool having a programmable pulse sequencer |
| 01/05/2005 | CN1560653A Downhole NMR tool having a programmable pulse sequencer |
| 01/05/2005 | CN1560648A Nuclear magnetic resonance pulse sequence for nuclear magnetic resonance device having relative moving with sample |
| 01/04/2005 | US6838886 Method and apparatus for measuring inductance |
| 01/04/2005 | US6838882 Method for avoiding an inground obstacle at a known depth |
| 01/04/2005 | US6838881 Flux orientation locating in a drilling system |
| 01/04/2005 | US6838876 Slotted NMR antenna cover |
| 01/04/2005 | US6838875 Processing NMR data in the presence of coherent ringing |
| 01/04/2005 | US6838874 System for detecting metal content on a semiconductor surface and method of operating the same |
| 01/04/2005 | US6838671 Device and method for the detection of buried objects |
| 01/04/2005 | CA2320670C Apparatus for interrogating magnetic tags |
| 12/30/2004 | US20040267452 Method and apparatus for detecting object |
| 12/30/2004 | US20040265079 Hand-held tool containing a removably attachable object sensor |
| 12/30/2004 | US20040263414 Flex (or printed) circuit axial coils for a downhole logging tool |
| 12/30/2004 | US20040263175 Apparatus for monitoring underground formations |
| 12/30/2004 | US20040263170 Magnetic gradient field projection |
| 12/30/2004 | US20040263158 Apparatus detecting relative body movement |
| 12/30/2004 | DE29724862U1 Inductive proximity switch for electrical and electronic switching, measurement and control circuit - has two transmission coils arranged one after other in direction of influence, with receiver coils connected to evaluation circuit and mounted centrally between transmitter coils |
| 12/30/2004 | DE10329335A1 Material-Detektoreinrichtung Material detecting means |
| 12/29/2004 | WO2004113952A1 Nmr flow measurement while drilling |
| 12/29/2004 | WO2004113674A1 Formation resistivity measurement sensor contained onboard a drill bit (risistivity in bit) |
| 12/29/2004 | WO2004029562A3 Apparatus and method using continuous -wave radiation for detecting and locating targets hidden behind a surface |
| 12/29/2004 | EP1490712A1 System and method for detecting a concealed current carrying conductor |
| 12/29/2004 | EP0943101B1 Method of detecting and classifying objects by means of radar |
| 12/29/2004 | EP0886793B1 Pulse sequences and interpretation techniques for nmr measurements |
| 12/29/2004 | CN1559011A Method and apparatus for a multi-component induction instrument measuring system for geosteering and formation resistivity data interpretation in horizontal, vertical and deviated wells |
| 12/29/2004 | CN1559010A Buried structure detection device |
| 12/29/2004 | CA2528472A1 Nmr flow measurement while drilling |
| 12/28/2004 | US6836745 Method for determining the position of a sensor element |
| 12/28/2004 | US6836218 Modified tubular equipped with a tilted or transverse magnetic dipole for downhole logging |
| 12/28/2004 | CA2341181C Method and apparatus for determining position in a pipe |
| 12/23/2004 | WO2004111778A2 Explosives detection system using computed tomography (ct) and quadrupole resonance (qr) sensors |
| 12/23/2004 | WO2004111685A1 Method for radar sounding an underlying surface and device for carrying out said method |
| 12/23/2004 | US20040260472 Method for predicting properties of a sedimentary deposit from a thickness contour of the deposit |
| 12/23/2004 | US20040260471 Method for enhancing depth and spatial resolution of one and two dimensional residual surfaces derived from scalar potential data |
| 12/23/2004 | US20040260174 Metal detection apparatus |
| 12/23/2004 | US20040257240 Processing well logging data with neural network |
| 12/23/2004 | US20040257228 Dual-frequency microwave sensor |
| 12/23/2004 | US20040257076 NMR detection of small amount of fast transversal relaxation component in mixtures |
| 12/23/2004 | US20040257075 Apparatus and methods for J-edit nuclear magnetic reasonance measurement |
| 12/23/2004 | US20040257074 Nmr flow measurement while drilling |
| 12/22/2004 | EP1414003B1 Device for detecting the presence of objects in a blind angle of a motor vehicle |
| 12/22/2004 | CN1556932A Nonlinear electroseismic exploration |
| 12/21/2004 | US6833795 Underground utility detection system and method employing ground penetrating radar |
| 12/21/2004 | US6833789 Utensil metal detector |
| 12/21/2004 | US6833706 Hole displacement measuring system and method using a magnetic field |
| 12/21/2004 | US6833699 Method for using conventional core data to calibrate bound water volumes derived from true vertical depth (TVD) indexing, in a borehole, of capillary pressure and NMR logs |
| 12/21/2004 | US6833698 Methods of decoupling diffusion effects from relaxation times to determine properties of porous media containing fluids |
| 12/21/2004 | CA2345954C Mine detector and inspection apparatus |
| 12/16/2004 | WO2004109338A1 Electromagnetic surveying for hydrocarbon reservoirs |
| 12/16/2004 | WO2004109334A2 Systems and methods for analyzing carbonate formations while drilling |
| 12/16/2004 | US20040254453 Dynamic metal immunity by hysteresis |
| 12/16/2004 | US20040252864 Method and apparatus for ground detection and removal in vision systems |
| 12/16/2004 | US20040252807 Explosives detection system using computed tomography (CT) and quadrupole resonance (QR) sensors |
| 12/16/2004 | CA2519260A1 Electromagnetic surveying for hydrocarbon reservoirs |
| 12/15/2004 | EP1487104A2 Object detection sensor |
| 12/15/2004 | EP1486794A2 Method and apparatus for the detection and/or analysis of compounds simultaneously exhibiting nuclear quadrupolar resonance and nuclear magnetic resonance |
| 12/15/2004 | EP1485673A1 Methods and apparatus for sensing angular position of a rotatable shaft |
| 12/15/2004 | EP0813685B1 System and method for contraband detection using nuclear quadrupole resonance |
| 12/15/2004 | CN1555543A Security method for gaining access, access verification device, and elevator |
| 12/15/2004 | CN1554957A Radio frequency article identifying flow tracking and positing method and its realization |
| 12/15/2004 | CN1554956A Multiway co-ground synchronous measuring device and method for ground electric field |
| 12/15/2004 | CN1180278C Method and appts. for determining resistivity of formation surrounding cased well |
| 12/15/2004 | CN1180277C Hidden line detection instrument |
| 12/14/2004 | US6831590 Concealed object detection |
| 12/14/2004 | CA2167119C Detection and sorting of materials |
| 12/09/2004 | WO2004106973A2 Electric power grid induced geophysical prospecting method and apparartus |
| 12/09/2004 | WO2004106968A1 Material detector device |
| 12/09/2004 | US20040249654 Smart data subsurface data repository system, method and computer program product |
| 12/09/2004 | US20040249573 Well twinning techniques in borehole surveying |
| 12/09/2004 | US20040249572 Method and apparatus for determining the resistivity of a formation surrounding a cased well |
| 12/09/2004 | US20040246166 Microwave sensor |
| 12/09/2004 | US20040246113 Blind-Spot Warning System For An Automotive Vehicle |
| 12/09/2004 | US20040245991 Formation imaging while drilling in non-conductive fluids |
| 12/09/2004 | US20040244625 Ultra sensitive magnetic field sensors |
| 12/09/2004 | DE10352351A1 Influencing unit e.g. piston, positioning determining process for measuring linear motion of influencing unit, involves measuring impedance of coil/tuned circuit with which position of influencing unit can be determined |
| 12/08/2004 | EP1483602A2 Use of a multicomponent induction tool for geosteering and formation resistivity data interpretation in horizontal wells |
| 12/08/2004 | EP1482832A2 Mri protector |
| 12/08/2004 | CN1553218A Digital component proton magnetic instrument |
| 12/07/2004 | US6828792 MRI apparatus and method for imaging |
| 12/02/2004 | WO2004104638A1 Method for eliminating effects of acoustic excitations in nmr data |
| 12/02/2004 | WO2004104560A2 Formation-based interpretation of nmr data for carbonate reservoirs |
| 12/02/2004 | US20040241045 Enhanced subsurface scanning system, method and computer program product |
| 12/02/2004 | US20040239521 Method and apparatus for determining position in a pipe |
| 12/02/2004 | US20040239345 Measurement of coatings on metal |
| 12/02/2004 | US20040239330 Electric power grid induced geophysical prospecting method and apparatus |
| 12/02/2004 | US20040239329 [Determination of Borehole Geometry inside Cased Wells with Crosswell Electromagnetics] |
| 12/02/2004 | US20040239328 Buried structure detection device |
| 12/02/2004 | US20040239316 Magnetically activated well tool |
| 12/02/2004 | US20040239305 Method and measuring device for locating enclosed objects |
| 12/02/2004 | US20040239297 Signal generation apparatus and method for seafloor electromagnetic exploration |