| Patents for G01V 3 - Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination or deviation (25,929) |
|---|
| 02/26/2002 | US6351245 Use of phase coded permeability lensing to obtain directional information in electro-magnetic radiation |
| 02/26/2002 | US6351129 Methods of determining resistivity of a formation through which a cased borehole passes |
| 02/26/2002 | US6351128 Tow mechanism for resistivity mapping apparatus |
| 02/26/2002 | US6351127 Shielding method and apparatus for selective attenuation of an electromagnetic energy field component |
| 02/26/2002 | US6351126 Method and apparatus for locating high resistance utility convenyances |
| 02/26/2002 | CA2181065C Method of creating a borehole in an earth formation |
| 02/26/2002 | CA2120183C Antenna lattice for electronic article surveillance system |
| 02/21/2002 | WO2002014907A1 Apparatus and method for synchronized formation measurement |
| 02/21/2002 | WO2002014906A1 Method and apparatus for determining the nature of subterranean reservoirs |
| 02/21/2002 | WO2001042807A3 Magnetic resonance imaging device |
| 02/21/2002 | US20020021130 Seismic activity detector |
| 02/21/2002 | DE10037349A1 Detector coil for probe, has spirally arranged coil windings with electric shield |
| 02/20/2002 | EP0943109B1 Process and device for producing anti-theft elements for electronic anti-theft securing of articles |
| 02/20/2002 | CN1337007A Article identification tag, and method for the detection thereof |
| 02/20/2002 | CN1336533A Electric compass and its regulating method and system, magnetic field producing device and electric time piece |
| 02/19/2002 | US6348876 Burst QAM downhole telemetry system |
| 02/19/2002 | US6348862 Proximity sensor |
| 02/19/2002 | US6348796 Image focusing method and apparatus for wellbore resistivity imaging |
| 02/19/2002 | US6348792 Side-looking NMR probe for oil well logging |
| 02/19/2002 | CA2208383C Detecting equipment for magnetic minute substance contained in an object to be inspected |
| 02/14/2002 | WO2002012767A1 Device for detecting and monitoring underground works |
| 02/14/2002 | US20020018007 Inductive sensor and method of use |
| 02/14/2002 | US20020018006 Method and apparatus for measuring inductance |
| 02/14/2002 | US20020017905 Method and apparatus for measuring characteristics of geological formations |
| 02/14/2002 | US20020017904 Ground piercing metal detector method for detecting the location of a buried metal object |
| 02/14/2002 | CA2417841A1 Device for detecting and monitoring underground works |
| 02/13/2002 | CN2476826Y Magnetic declination compensation measuring device |
| 02/13/2002 | CN2476825Y Multi-electrode programmable switch for charging potential recorder |
| 02/13/2002 | CN1335517A Method and equipment of receiving low frequency and large amplitude electromagnetic radiation before earthquake |
| 02/12/2002 | US6347282 Measurement-while-drilling assembly using gyroscopic devices and methods of bias removal |
| 02/12/2002 | US6346819 Method and device for determining proportions of solid matter in a test material |
| 02/12/2002 | US6346813 Magnetic resonance method for characterizing fluid samples withdrawn from subsurface formations |
| 02/07/2002 | WO2002010799A1 Side-looking nmr probe for oil well logging |
| 02/07/2002 | WO2001038902A3 Ground penetrating radar system and method for detecting an object on or below a ground surface |
| 02/07/2002 | US20020016678 Method of determining resistivity of an earth formation with phase resistivity evaluation based on a phase shift measurement and attenuation resistivity evaluation based on an attenuation measurement and the phase shift measurement |
| 02/07/2002 | US20020016675 Electrical voltages and resistances measured to inspect metallic cased wells and pipelines |
| 02/06/2002 | EP1178284A2 Method and system for adjusting an electronic azimuth meter |
| 02/06/2002 | EP1177464A1 Proximity sensor method and apparatus that is insensitive to temperature, noise and length of wire |
| 02/05/2002 | US6344818 Apparatus and method for the detection of materials |
| 02/05/2002 | US6344744 Multiple frequency method for nuclear magnetic resonance longitudinal relaxation measurement and pulsing sequence for power use optimization |
| 02/05/2002 | CA2273126C Method for eliminating ringing during a nuclear magnetic resonance measurement |
| 02/05/2002 | CA2272968C Method for obtaining nmr bound fluid volume using partial polarization |
| 02/05/2002 | CA2261417C Method for acquisition and processing of nuclear magnetic resonance signals for determining fluid properties in petroleum reservoirs having more than one fluid phase |
| 02/05/2002 | CA2235879C Method and apparatus for detecting rock movement |
| 02/05/2002 | CA2102513C Method and apparatus for transmitting electromagnetic signals into the earth from a capacitor |
| 02/05/2002 | CA2090322C System for multidirectional information transmission between at least two units of a drilling assembly |
| 01/31/2002 | WO2002008795A2 Nuclear magnetic resonance measurements and methods of analyzing nuclear magnetic resonance data |
| 01/31/2002 | WO2002008794A2 Method and apparatus for producing an electrical property image using a charge correlation matrix |
| 01/31/2002 | WO2002008793A1 Method for determining the position of a sensor element |
| 01/31/2002 | WO2002008789A2 Nuclear magnetic resonance methods for extracting information about a fluid in a rock |
| 01/31/2002 | US20020011947 Ground-penetrating imaging and detecting radar |
| 01/31/2002 | CA2441226A1 Method for determining the position of a sensor element |
| 01/30/2002 | EP1176566A1 Method for securing mattering articles and articles related to them |
| 01/30/2002 | EP1175629A1 A method and apparatus for determining the resistivity of a formation through which a cased well passes |
| 01/30/2002 | EP0815473B1 Determining a parameter of a component in a composition |
| 01/29/2002 | US6342835 Sensor panel and a detection apparatus incorporating the same |
| 01/29/2002 | US6342784 Method for resistivity well logging utilizing nuclear magnetic resonance |
| 01/29/2002 | US6342696 Object detection method and apparatus employing polarized radiation |
| 01/29/2002 | US6341413 Method of making electronic equipment |
| 01/29/2002 | CA2286240C Apparatus and method for computing a distribution of spin-spin relaxation times |
| 01/29/2002 | CA2080656C Saturable core proximity sensor including a flux director |
| 01/24/2002 | WO2002006846A1 Device for evaluating the density of protons present in a given body using nmr |
| 01/24/2002 | WO2002006801A2 Nuclear magnetic resonance tool with magnetostrictive noise compensation |
| 01/24/2002 | WO2001079887A3 Displacement sensing system |
| 01/24/2002 | US20020010547 Long range electronic guidance system for locating a discrete in-ground boring device |
| 01/24/2002 | US20020010546 Apparatus and method for determining the propagation velocity of an electromagnetic signal in a subsurface medium utilizing ground penetrating radar |
| 01/24/2002 | US20020008655 Method and device for detecting and monitoring concealed bodies and objects |
| 01/24/2002 | US20020008521 Coil shielding method for selective attenuation of an electromagnetic energy field component |
| 01/24/2002 | US20020008520 Shielding apparatus for selective attenuation of an electromagnetic energy field component |
| 01/24/2002 | US20020008519 Circuit for detecting the metal type of a metal target object |
| 01/24/2002 | US20020008514 Nuclear magnetic resonance apparatus and method for generating an axisymmetric magnetic field having straight contour lines in the resonance region |
| 01/24/2002 | US20020008512 Method of extending the utility of an integral driving-sensing pot-core half eddy current probe |
| 01/24/2002 | US20020007970 Well system |
| 01/24/2002 | US20020007659 Article handling system |
| 01/24/2002 | DE10050655C1 Radar detector for buried objects, e.g. utility lines, uses antenna device with at least 3 antenna elements for detection of HF waves |
| 01/23/2002 | EP1174834A2 Device location and identification system |
| 01/23/2002 | EP1173782A1 A method and apparatus for determining the resistivity of a formation through which a cased well passes |
| 01/23/2002 | EP0850162B1 System and method for controlling vehicle safety device |
| 01/23/2002 | CN1332380A Electromagnetic wave logging method without skin effect |
| 01/23/2002 | CN1332379A Microearth current detecitng instrument |
| 01/22/2002 | CA2144438C Method of determining formation resistivity utilizing combined measurements of inductive and galvanic logging instruments |
| 01/17/2002 | WO2002004987A2 3d borehole radar antenna and algorithm, method and apparatus for subsurface surveys |
| 01/17/2002 | WO2002004986A1 Electromagnetic wave resistivity tool with tilted antenna |
| 01/17/2002 | WO2002003858A1 Method and system for analyzing multi-variate data using canonical decomposition |
| 01/17/2002 | US20020005720 Method for detecting the metal type of a buried metal target |
| 01/17/2002 | DE10032698A1 Directed high energy electromagnetic radiation detection system for mines, pipes and structures in earth, emits focused, penetrating, heating radiation, and returned radiation is analyzed |
| 01/17/2002 | CA2689859A1 Electromagnetic wave resistivity tool with tilted antenna |
| 01/17/2002 | CA2352427A1 Device location and identification system |
| 01/16/2002 | EP1172668A2 Device and method for locating ferromagnetic hidden objects in a nonferromagnetic environment and for determining their dilatation |
| 01/16/2002 | EP1171784A1 Method for downhole logging |
| 01/16/2002 | EP1171773A1 Permeability-modulated carrier referencing |
| 01/15/2002 | US6339376 Automotive cargo space occupant detector |
| 01/15/2002 | US6339333 Dynamic electromagnetic methods for direct prospecting for oil |
| 01/10/2002 | WO2002003100A2 Determining earth formation resistivity by attenuation and phase shift measurements |
| 01/08/2002 | US6337625 Intrusion detection process and device |
| 01/08/2002 | US6337568 System and method for enhanced vertical resolution magnetic resonance imaging logs |
| 01/03/2002 | WO2002001256A1 An nmr probe and method using powdered soft magnetic material |
| 01/03/2002 | WO2002001255A1 Nuclear magnetic resonance tool with active rf spoiler antenna |
| 01/03/2002 | WO2002001253A1 Method and apparatus of electrical resistivity measurements in geological formations employing modeling data |
| 01/03/2002 | WO2001064813A3 Conductive medium for openhole logging and logging while drilling |