| 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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| 06/25/1997 | EP0780703A1 System for the detection of the presence of a conductive object, specifically an integrated circuit on a chip card |
| 06/25/1997 | EP0779992A1 Range-gated field disturbance sensor with range-sensitivity compensation |
| 06/25/1997 | EP0779990A1 Time-of-flight radio location system |
| 06/25/1997 | EP0756763A4 Antenna arrangement |
| 06/24/1997 | US5642051 Method and apparatus for surveying and monitoring a reservoir penetrated by a well including fixing electrodes hydraulically isolated within a well |
| 06/24/1997 | US5642050 Plural frequency method and system for identifying metal objects in a background environment using a target model |
| 06/18/1997 | EP0778954A1 Proximity switch with magnetic field-sensitive sensor |
| 06/18/1997 | EP0778937A1 Debris monitoring |
| 06/18/1997 | EP0622524B1 System for measuring excavation position of underground excavator |
| 06/17/1997 | US5640170 Position and orientation measuring system having anti-distortion source configuration |
| 06/17/1997 | US5640092 Electromagnetic pipe mapper for accurate location and depth determination |
| 06/12/1997 | WO1997021117A1 Composite material structures having reduced signal attenuation |
| 06/12/1997 | WO1997021070A1 Driver for eddy current proximity probe |
| 06/12/1997 | DE19545704A1 Automatic surveying method for useful agricultural land area surfaces used in determining sampling points |
| 06/11/1997 | EP0778474A2 Apparatus for sensing the resistivity of geological formations surrounding a borehole |
| 06/11/1997 | CN1151802A Anti counterfeit appts. |
| 06/11/1997 | CN1151783A Logging or measurement while tripping |
| 06/04/1997 | EP0777135A2 An induction logging sonde |
| 06/04/1997 | EP0777127A2 Magnetism detecting device, magnetism sensor, terrestrial-magnetism detecting azimuth sensor, and attitude controlling sensor |
| 06/04/1997 | CN1151212A Amorphous metal tagging system for underground structures |
| 05/29/1997 | WO1997019369A1 Instrumented wheel for dynamically measuring physical parameters |
| 05/28/1997 | EP0775923A2 Magnetic resonance method and arrangement for executing this method |
| 05/28/1997 | EP0775324A2 Method for labeling, verification and/or identifying and device for implementing said method |
| 05/28/1997 | CN2254757Y Device for testing the position of radiation source of remote after-loading intracavitary unit |
| 05/27/1997 | US5633593 Apparatus for sensing proximity of a moving target |
| 05/27/1997 | US5633590 Formation resistivity measurements from within a cased well used to quantitatively determine the amount of oil and gas present |
| 05/27/1997 | US5633589 Device and method for locating an inground object and a housing forming part of said device |
| 05/27/1997 | US5633583 Magnetic telescope with enhanced noise suppression |
| 05/22/1997 | WO1997018483A1 Meter testing circuit |
| 05/22/1997 | DE19543151A1 Magnetic detector of vehicles preferably in stationary traffic |
| 05/22/1997 | CA2237779A1 Meter testing circuit |
| 05/20/1997 | US5631562 Time domain electromagnetic well logging sensor including arcuate microwave strip lines |
| 05/15/1997 | DE19611757C1 Location of objects, esp. underground objects |
| 05/14/1997 | EP0513399B1 Game machine using metallic body as medium |
| 05/13/1997 | US5629626 Apparatus and method for measuring buried ferromagnetic objects with a high accuracy of position and in synchronization with a sync pulse provided by a global positioning system |
| 05/13/1997 | US5629623 Pulsed nuclear magnetism tool for formation evaluation while drilling |
| 05/09/1997 | WO1997016750A1 Nmr sample cell |
| 05/06/1997 | US5627475 Metal detector coil resistance testing |
| 05/06/1997 | US5626531 Golf ball with tag, and detecting system |
| 05/02/1997 | EP0770887A2 Submarine cable locating system |
| 04/30/1997 | CN1148914A Capacitance-sensitive switch and switch array |
| 04/29/1997 | US5625366 Flat flexible antenna |
| 04/29/1997 | US5625294 Apparatus for detecting seated condition for toilet seat |
| 04/24/1997 | WO1997014980A1 Electroseismic technique for measuring the properties of rocks surrounding a borehole |
| 04/24/1997 | DE3448564C2 Fibre bale scanner |
| 04/23/1997 | EP0769708A1 Methods and apparatuses for measuring characteristics of a formation around a borehole |
| 04/23/1997 | EP0769153A1 Identification of buried cables |
| 04/23/1997 | EP0705184B1 Device for detecting the presence of persons on means of transport |
| 04/22/1997 | US5622169 Apparatus and method for locating a medical tube in the body of a patient |
| 04/17/1997 | WO1997014063A1 Lithology-independent gradient nmr gas detection |
| 04/17/1997 | WO1997014013A1 A method and a device for inductive measurement of measures and positions of objects of electrically conductive material |
| 04/16/1997 | EP0688438B1 Conductor locator adapter for electronic markers |
| 04/16/1997 | CN2252344Y Portable hidden metal position indicator |
| 04/16/1997 | CN1147858A Locator |
| 04/15/1997 | US5621661 Inductive loop diagnostic interface |
| 04/15/1997 | US5621325 Avoiding ghosting artifacts during surface location of subsurface transmitters |
| 04/10/1997 | WO1997013258A1 Heat-treatment of glassy metal alloy for article surveillance system markers |
| 04/10/1997 | WO1997013233A1 Curvature-reduction annealing of amorphous metal alloy ribbon |
| 04/10/1997 | WO1997009590A3 Soil moisture or dielectric constant measuring system |
| 04/10/1997 | CA2231000A1 Curvature-reduction annealing of amorphous metal alloy ribbon |
| 04/09/1997 | EP0767390A2 Search apparatus for scanning of large surfaces |
| 04/09/1997 | EP0766775A1 Logging or measurement while tripping |
| 04/09/1997 | EP0680544B1 Method for determining changes in well bore morphology |
| 04/09/1997 | EP0659270B1 Process and device for inspecting just as servicing and repairing subsidiary canals branching off from a main drain |
| 04/08/1997 | US5619128 Stud sensor with over-stud miscalibration via circuit which stores an initial calibration density, compares that to a current test density and outputs result via indicator |
| 04/08/1997 | US5618999 Apparatus and method for monitoring condition of objects |
| 04/08/1997 | US5618056 Method and installation for detecting certain parameters concerning an auxiliary child seat with a view to controlling the operation of the airbags of a vehicle |
| 04/03/1997 | WO1997012419A1 Electrode |
| 04/03/1997 | WO1997012262A1 Method and apparatus for detecting underground utility conveyances |
| 04/03/1997 | WO1997005760A3 Ultra-wideband directional sampler |
| 04/03/1997 | DE19609762C1 Determination of direction of perturbed geomagnetic field by compass |
| 04/03/1997 | DE19549250C1 Apparatus for location of explosive charge concealed in ground |
| 04/02/1997 | EP0766398A1 Capacitive switch |
| 04/02/1997 | EP0765486A1 Nuclear magnetic resonance determination of petrophysical properties of geologic structures |
| 04/02/1997 | EP0552268B1 Magnetic field generating assembly |
| 04/01/1997 | US5617031 Buried pipe locator utilizing a change in ground capacitance |
| 04/01/1997 | US5617025 Side part sensor for determining the presence or absence of a nut and a hole disposed adjacent the nut |
| 03/29/1997 | CA2168294A1 Apparatus and method for monitoring condition of objects |
| 03/27/1997 | DE19535670A1 Locating underground blind shells in hole |
| 03/27/1997 | DE19534795A1 Identifying and determining hydraulic permeability and flow distribution speed e.g. testing for leaks at dams |
| 03/26/1997 | EP0764856A2 Sensor for a metal detector |
| 03/26/1997 | EP0750809A4 Capacitance-sensitive switch and switch array |
| 03/26/1997 | CN1146242A Process and device for detecting vital functions in living bodies |
| 03/25/1997 | US5614908 Helicopter system with rotor blade antennas for landing assistance and for detection of electro-magnetic anomalies |
| 03/25/1997 | US5614893 Ground condition monitor |
| 03/20/1997 | WO1997010516A1 Cylindrical electromagnetic sensor and method for the simultaneous determination of various parameters of an associated cylindrical target |
| 03/20/1997 | WO1997010128A1 System and method for controlling vehicle safety device |
| 03/19/1997 | EP0762915A1 Goal-detection device for ball games |
| 03/19/1997 | CN1145665A Process and device for sensing living bodies |
| 03/18/1997 | US5612625 Method of measuring inner diameter of pipe |
| 03/15/1997 | CA2185480A1 Method and apparatus for measuring formation resistivity through casing using single conductor electrical logging cable |
| 03/13/1997 | WO1997009641A1 Radio frequency tag |
| 03/13/1997 | WO1997009640A1 Method and arrangement for determining the position of a marker in an organic cavity |
| 03/13/1997 | WO1997009590A2 Soil moisture or dielectric constant measuring system |
| 03/12/1997 | EP0762308A1 Arrangement for remote information exchange between a passive portable object and a station, corresponding object and station |
| 03/12/1997 | EP0762147A1 Universal inductive proximity detector |
| 03/12/1997 | EP0762138A1 Object detection system with minimum-spanning gradient filter for scene clutter suppression |
| 03/12/1997 | EP0760959A1 Amorphous metal tagging system for underground structures |
| 03/12/1997 | EP0760958A1 Proximity detector |
| 03/12/1997 | EP0513395B1 Sensor for sensing existence position of metallic body |