| 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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| 03/05/1996 | US5497102 Method and apparatus for detection of liquid incendiaries by changes in capacitance |
| 03/05/1996 | US5497091 Surface mounted pH sensor for cone penetration testing |
| 03/05/1996 | US5497090 Bandwidth extension system using periodic switching |
| 03/05/1996 | US5497089 Wide aperture gradient set |
| 03/05/1996 | US5497087 Method to estimate the pore size within a formation |
| 03/05/1996 | CA2074471C Sensor for detecting location of metal body |
| 02/29/1996 | WO1996006367A1 Method and device for investigating underground |
| 02/27/1996 | US5495230 Magnetomechanical article surveillance marker with a tunable resonant frequency |
| 02/27/1996 | US5495222 Open permanent magnet structure for generating highly uniform field |
| 02/27/1996 | US5495175 Method for subsurface imaging of soils/rocks |
| 02/27/1996 | US5495174 Method and apparatus for detecting boundary stratum and adjusting the direction of drilling to maintain the drill string within a bed of interest |
| 02/27/1996 | US5495129 Electronic device for multiplexing several loads excited by alternating current |
| 02/27/1996 | US5494035 Method for detecting presence of ferromagnetic objects in a medical patient |
| 02/22/1996 | WO1996005522A2 Method for labeling, verification and/or identifying and device for implementing said method |
| 02/22/1996 | CA2197173A1 Method for labeling, verification and/or identifying and device for implementing said method |
| 02/21/1996 | EP0697769A1 Magnetic proximity detector |
| 02/21/1996 | EP0697604A1 Method and system for ground recognition in front of an excavating machine |
| 02/21/1996 | EP0697113A1 Sensor for articles on an end effector |
| 02/21/1996 | CN1117316A Apparatus for locating buried conductors |
| 02/21/1996 | CN1117112A A combination well logging device |
| 02/20/1996 | US5493517 Cargo container mapping system |
| 02/20/1996 | US5493288 System for multidirectional information transmission between at least two units of a drilling assembly |
| 02/20/1996 | US5493221 Method and apparatus for detecting weld junctions in steel sheets using an inductive sensor to detect thickness variations in the sheet |
| 02/20/1996 | US5493216 Magnetic position detector |
| 02/15/1996 | DE4427547A1 Inductive vehicle detector with at least one induction loop arranged in road surface |
| 02/15/1996 | DE19529630A1 Elektromagnetisches Induktionsprüfgerät Electromagnetic Induktionsprüfgerät |
| 02/14/1996 | EP0705430A4 Magnetic and transient electromagnetic diffusion inspection method and apparatus |
| 02/14/1996 | EP0696786A2 Electromagnetic sensor element and method and apparatus for making and using same |
| 02/14/1996 | EP0696784A1 Magnetomechanical article surveillance marker with a tunable resonant frequency |
| 02/13/1996 | US5491488 Electromagnetic propagation tool using magnetic dipole antennas |
| 02/13/1996 | US5491423 Device for detecting the presence of a food container, such as a saucepan, dish or the like, on a glass ceramic cooking hob |
| 02/08/1996 | WO1996003664A1 Identification of buried cables |
| 02/07/1996 | EP0695427A1 Method and device for evaluating the permeability of a rock medium |
| 01/31/1996 | EP0694235A1 Ultra-wideband receiver |
| 01/31/1996 | CN1115855A Oxido-reduction potential measurement method of oil gas prospecting |
| 01/30/1996 | CA2028152C Methods and apparatus employing permanent magnets for marking, locating, tracing and identifying hidden objects such as buried fiber optic cables |
| 01/23/1996 | US5486764 Method for determining subsurface electrical resistance using electroseismic measurements |
| 01/23/1996 | US5486762 Apparatus including multi-wait time pulsed NMR logging method for determining accurate T2-distributions and accurate T1/T2 ratios and generating a more accurate output record using the updated T2-distributions and T1/T2 ratios |
| 01/23/1996 | US5486761 Nuclear magnetic resonance measuring apparatus |
| 01/23/1996 | US5486758 Integral variable reluctance speed sensor |
| 01/18/1996 | WO1996001436A1 Process and system for detecting hazardous abandoned objects |
| 01/18/1996 | WO1996001359A2 Logging or measurement while tripping |
| 01/18/1996 | CA2171021A1 Process and system for detecting hazardous abandoned objects |
| 01/17/1996 | EP0692721A1 Compensation of disturbing fields during NMR measurements in the earth's magnetic field |
| 01/16/1996 | US5485148 Pipeline fluid travel monitoring system |
| 01/16/1996 | US5485092 Method and device for electrostatically investigating surface and sub-surface structures |
| 01/16/1996 | US5485089 Method and apparatus for measuring distance and direction by movable magnetic field source |
| 01/16/1996 | US5485083 Transformer coupled in-line metallic debris sensor |
| 01/11/1996 | DE4423661A1 Coil system for inductive object detector |
| 01/11/1996 | DE4423623A1 Verfahren und System zur Altlastendetektion Method and system for detecting contamination |
| 01/11/1996 | DE19524884A1 Vorrichtung zur Gegenstandserfassung Apparatus for object detection |
| 01/04/1996 | DE19519932A1 Metal detector integrated with a transducer detector for access control.. |
| 01/03/1996 | EP0690425A1 Magnetomechanical marker with the amorphous element annealed in the presence of a transverse magnetic field and method of making same |
| 01/03/1996 | EP0690312A1 Magnetic resonance imaging apparatus |
| 12/28/1995 | WO1995035514A1 Nuclear magnetic resonance determination of petrophysical properties of geologic structures |
| 12/27/1995 | EP0688454A1 Multi-mode identification system |
| 12/27/1995 | EP0688438A1 Conductor locator adapter for electronic markers |
| 12/26/1995 | US5479160 Low level RF threshold detector |
| 12/20/1995 | EP0687919A1 Magnet assembly |
| 12/20/1995 | CN2215727Y AC approach transducer |
| 12/19/1995 | US5477143 Sensor with magnetoresistors disposed on a plane which is parallel to and displaced from the magnetic axis of a permanent magnet |
| 12/12/1995 | US5475355 Method and apparatus for compensation of field distortion in a magnetic structure using spatial filter |
| 12/12/1995 | US5475310 Installation and process for measuring remanent magnetization of geological formations |
| 12/12/1995 | US5475309 Sensor in bit for measuring formation properties while drilling including a drilling fluid ejection nozzle for ejecting a uniform layer of fluid over the sensor |
| 12/07/1995 | WO1995032774A1 Goal-detection device for ball games |
| 12/07/1995 | DE4419355A1 Detection of road or rail vehicles for traffic monitoring |
| 12/07/1995 | DE4418904A1 Prospecting mineral oil offshore in deposits and sediments on sea bed |
| 12/06/1995 | EP0685078A1 Location of buried conductors |
| 12/05/1995 | US5473246 Joint on discontinuity detector and sealer for use with pipes |
| 12/05/1995 | CA2046165C Method and apparatus for shaping a magnetic field |
| 11/30/1995 | WO1995032439A1 Amorphous metal tagging system for underground structures |
| 11/30/1995 | WO1995032438A1 Proximity detector |
| 11/30/1995 | CA2190939A1 Proximity detector |
| 11/30/1995 | CA2190737A1 Amorphous metal tagging system for underground structures |
| 11/29/1995 | EP0684490A2 Methods and devices for real-time formation imaging through measurement-while-drilling telemetry |
| 11/28/1995 | US5471143 Apparatus for locating buried conductors using phase-shifted signals |
| 11/28/1995 | US5471140 Magnetic field generating assembly |
| 11/23/1995 | WO1995031736A1 Electromagnetic propagation tool using magnetic dipole antennas |
| 11/23/1995 | DE4417827A1 Sensor for detecting presence of person in vehicle seat etc. |
| 11/23/1995 | DE4417262A1 System for locating buried objects prior to excavation or treatment |
| 11/23/1995 | DE19518157A1 Magnetic sensor for position or rotational velocity detection |
| 11/23/1995 | CA2189883A1 Electromagnetic propagation tool using magnetic dipole antennas |
| 11/22/1995 | EP0683401A2 Locating device |
| 11/21/1995 | US5469176 Focused array radar |
| 11/21/1995 | US5469140 Iron-cobalt alloy |
| 11/21/1995 | US5469062 Multiple depths and frequencies for simultaneous inversion of electromagnetic borehole measurements |
| 11/16/1995 | WO1995030972A1 Anti counterfeit apparatus |
| 11/16/1995 | WO1995030913A1 Locator |
| 11/16/1995 | CA2189977A1 Anti counterfeit apparatus |
| 11/15/1995 | EP0682270A2 Method and apparatus locating a buried element |
| 11/15/1995 | EP0682269A2 Location determination using vector measurements |
| 11/15/1995 | EP0681706A1 Apparatus for locating buried conductors |
| 11/14/1995 | US5467022 Dielectric detecting system |
| 11/14/1995 | US5467019 Method and apparatus for balancing the electrical output of the receiver coils of an induction logging tool by use of a slidable magnetic rod for eliminating direct coupling |
| 11/14/1995 | US5467018 Method of processing transient electromagnetic measurements in geophysical analysis |
| 11/08/1995 | EP0680544A1 Method for determining changes in well bore morphology. |
| 11/07/1995 | CA2057326C Method for determining electromagnetically the locations of underground conductive bodies |
| 11/02/1995 | EP0679863A1 Device for measuring the position of a conductor of a cable within a cable covering |
| 11/02/1995 | DE4414910A1 Scanning device for measuring depth, position and number of steel reinforcing bars in concrete |
| 10/31/1995 | US5463549 Method and apparatus for determining permeability of subsurface formations |