| Patents for G01V 3 - Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination or deviation (25,929) |
|---|
| 08/04/1999 | CN1225176A Magnetic reading device |
| 08/03/1999 | US5933015 Method and apparatus for measuring in-place soil density and moisture content |
| 08/03/1999 | US5933008 In an overall process |
| 08/03/1999 | US5932310 Magnetic element and process for producing the same |
| 08/03/1999 | CA2088135C Magnetic sensor |
| 08/03/1999 | CA2028816C Vehicle with plastic suspension |
| 07/28/1999 | EP0932055A2 NMR sensor |
| 07/28/1999 | EP0932054A2 Downhole telemetry system and method for remote communication |
| 07/27/1999 | US5929634 Device for sensing metallically conductive parts in an at least substantially non-conductive conveyor stream |
| 07/27/1999 | US5929624 Method and apparatus for detecting electric cables |
| 07/27/1999 | CA2009562C Method and apparatus for measuring the resistivity of earth formations |
| 07/22/1999 | WO1999036801A1 Method and apparatus for nuclear magnetic resonance measuring while drilling |
| 07/22/1999 | WO1999036798A2 Rf identification process and apparatus |
| 07/22/1999 | CA2318033A1 Method and apparatus for nuclear magnetic resonance measuring while drilling |
| 07/21/1999 | EP0930519A2 Method and apparatus for evaluating the resistivity of invaded formations at high apparent dip angle |
| 07/21/1999 | EP0930518A2 Downhole tool using electromagnetic waves |
| 07/20/1999 | US5926025 Method of finding an above-ground point in relation to an in-ground boring tool |
| 07/20/1999 | US5926024 For measuring composition of a wellbore fluid flowing through a well |
| 07/20/1999 | US5926018 Proximity switch |
| 07/20/1999 | CA2259760A1 Electromagnetic resistivity tool and method for use of same |
| 07/15/1999 | WO1999035515A1 Electromagnetic logging tool with reflector for directional sensing |
| 07/15/1999 | WO1999035514A1 Detecting concealed objects |
| 07/15/1999 | WO1999035213A1 Water soluble invert emulsions |
| 07/15/1999 | WO1999035212A1 Water soluble invert emulsions |
| 07/15/1999 | WO1999035211A1 Conductive medium for openhole logging and logging while drilling |
| 07/15/1999 | DE19800524A1 Sensor controlled elevating mechanism for cutters in agricultural machines |
| 07/14/1999 | EP0928976A2 Magnetic catheter tracker and method therefor |
| 07/14/1999 | EP0928973A2 Method of and apparatus for NQR testing |
| 07/14/1999 | EP0928430A1 Multi-layer magnetic tag |
| 07/14/1999 | CN2329015Y Detector for underground magnetic fluid |
| 07/14/1999 | CN1222978A Electrical logging of laminated earth formation |
| 07/13/1999 | US5923171 Determining a parameter on a component in a composition |
| 07/13/1999 | US5923170 Method for near field electromagnetic proximity determination for guidance of a borehole drill |
| 07/13/1999 | US5923167 Pulsed nuclear magnetism tool for formation evaluation while drilling |
| 07/13/1999 | US5923165 Method and apparatus for detecting broken sewing needles in sewn articles |
| 07/13/1999 | US5922611 Determining a parameter in a physical system |
| 07/13/1999 | CA2100248C Method and apparatus for surveying terrain resistivity |
| 07/07/1999 | EP0927892A2 Detection system |
| 07/07/1999 | EP0927364A1 Concealed weapons detection system |
| 07/07/1999 | EP0769153B1 Identification of buried cables |
| 07/07/1999 | CN1044039C Combination well logging device |
| 07/06/1999 | US5920262 Omnidirectional deactivator for magnetic labels or tags of EAS systems |
| 07/06/1999 | US5920194 Device for locating objects that emit electromagnetic signals |
| 07/06/1999 | CA2067931C Geophysical prospecting |
| 07/06/1999 | CA2047559C Magnetically-coupled, two-resonant-circuit, frequency-division tag |
| 07/01/1999 | WO1999032905A1 Airborne electromagnetic system |
| 07/01/1999 | WO1999032904A1 Nuclear magnetic resonance sensing apparatus and techniques |
| 07/01/1999 | WO1999032033A1 Measuring position and orientation using magnetic fields |
| 07/01/1999 | DE19756218A1 Nondestructive and simultaneous location of metallic and nonmetallic land-personnel mines |
| 06/30/1999 | CN1221493A Antenna system for NMR and MRI apparatus |
| 06/29/1999 | US5917325 Method for locating an inaccessible object having a magnetic field generating solenoid |
| 06/29/1999 | US5917320 Detection of passing magnetic articles while periodically adapting detection threshold |
| 06/24/1999 | WO1999031530A1 Method for automatic detection of planar heterogeneities crossing the stratification of an environment |
| 06/24/1999 | WO1999031529A1 Metal detector method and apparatus |
| 06/24/1999 | DE19740083C1 Radar location device for locating objects below road surface |
| 06/23/1999 | EP0924513A1 Methode and device for measuring the solid proportion of a material under test |
| 06/23/1999 | EP0924492A1 Sensing matter on the surface of a capacitive sensor |
| 06/23/1999 | EP0923746A1 Method for detecting, identifying and following optically invisible objects |
| 06/23/1999 | EP0749586B1 Device for finding concealed studs |
| 06/22/1999 | US5914610 Apparatus and method for characterizing movement of a mass within a defined space |
| 06/22/1999 | US5914608 Method and apparatus for tracing coaxial cables |
| 06/22/1999 | US5914603 Electrical resistance tomography using steel cased boreholes as electrodes |
| 06/22/1999 | US5914602 System including an arrangement for tracking the positional relationship between a boring tool and one or more buried lines and method |
| 06/22/1999 | US5914598 Well logging apparatus |
| 06/22/1999 | US5913820 Position location system |
| 06/17/1999 | DE19858129A1 Detecting obstruction in path of heavy goods vehicle, e.g. earth-moving tipper |
| 06/16/1999 | EP0922969A2 Coil form for a search apparatus |
| 06/16/1999 | EP0922238A1 Passive geophysical prospecting apparatus and method based upon detection of discontinuities associated with extremely low frequency electromagnetic fields |
| 06/15/1999 | US5912618 System for detecting the presence of an electrically conductive object, particularly an integrated circuit on a chip card |
| 06/15/1999 | CA2144546C Method and apparatus for passively detecting the depth and location of a spatial or temporal anomaly |
| 06/15/1999 | CA2076066C Connecting apparatus for logging tools including electrical feedthrough and isolation system with bridle assembly |
| 06/10/1999 | WO1999028594A1 Measurement-while-drilling assembly using gyroscopic devices and methods of bias removal |
| 06/10/1999 | DE19752686A1 Detecting stones in a stream of conveyed material in continuous handling equipment |
| 06/03/1999 | WO1999027391A1 Sensor for a hammer |
| 06/03/1999 | WO1999027381A2 Peripheral vascular mri rf coil array |
| 06/03/1999 | WO1999026536A1 Body cavity metal detection system |
| 06/02/1999 | EP0919838A1 Configurable inductive proximity-detector |
| 06/02/1999 | EP0919833A1 Device for detecting concealed objects, especially mines |
| 06/02/1999 | EP0919002A1 Anti-shoplifting security system |
| 06/02/1999 | EP0919001A1 Electrical polarisation distribution of a vessel |
| 06/02/1999 | DE19801827A1 Method to detect individual conductors with wiring network |
| 05/27/1999 | WO1999026086A1 A method of determining the type and the position of a closed electrical conductor, a measuring set-up for determining the type and the position of a closed electrical conductor, and use of the measuring set-up |
| 05/26/1999 | EP0917441A1 Ferromagnetic foreign body screening method and apparatus |
| 05/26/1999 | EP0836667A4 Locating a discrete in-ground boring device |
| 05/25/1999 | US5907280 Static electrification assisted dielectrokinesis detection of plastics and other materials |
| 05/25/1999 | US5907242 Balanced passive bandpass filter and preamplifier for a receiver |
| 05/20/1999 | WO1999024967A1 Shielded ultrasound probe |
| 05/20/1999 | WO1999024849A1 Radio-localisation probing method and differential radar device for realising the same |
| 05/20/1999 | DE19824510A1 Proximity switch for detecting magnetic material |
| 05/19/1999 | EP0916970A2 Method of borehole compensation of earth formation characteristic measurements using depth measurements |
| 05/19/1999 | EP0916101A2 Combined electric-field telemetry and formation evaluation method and apparatus |
| 05/19/1999 | EP0765486A4 Nuclear magnetic resonance determination of petrophysical properties of geologic structures |
| 05/18/1999 | US5905455 Hand-held radar detection system |
| 05/18/1999 | US5905379 Method for induction logging while using a logging sonde having a folded array |
| 05/18/1999 | US5904210 Apparatus and method for detecting a location and an orientation of an underground boring tool |
| 05/14/1999 | WO1999004295A3 Transponder arrangement and method for the production thereof |
| 05/12/1999 | EP0915441A2 Transverse magnetic field annealed amorphous magnetomechanical elements for use in electronic article surveillance system and method of making same |
| 05/12/1999 | EP0915440A2 Transverse magnetic field annealed amorphous magnetomechanical elements for use in electronic article surveillance system and method of making same |
| 05/12/1999 | DE19749808A1 Device to detect motor vehicles |
| 05/11/1999 | US5903153 Apparatus and method for detecting underground liquids |