Patents for G01V 7 - Measuring gravitational fields or waves; Gravimetric prospecting or detecting (1,315) |
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08/12/2004 | US20040155813 Experimental arrangements for measuring propagation speed of variational gravitational field |
08/10/2004 | US6772630 Micro-distance toss-up type absolute gravimeter |
07/14/2004 | CN1512195A Digital sea gravity instrument controller |
07/08/2004 | US20040130237 Gravitational wave propulsion and telescope |
06/30/2004 | CN1508566A Gravity vertical gradient observing platform |
06/03/2004 | DE69816743T2 Fiberoptische sensoren und ansteuervorrichtungen in bohrloechern Fiberoptic Sensors and Control devices in boreholes |
04/22/2004 | US20040075259 Occupant detecting apparatus capable of improving detection accuracy |
04/08/2004 | US20040065439 Wellbores utilizing fiber optic-based sensors and operating devices |
03/25/2004 | US20040056545 Gravitational wave imaging |
03/18/2004 | WO2004022865A2 Seismic base isolation by electro-osmosis during an earthquake event |
03/17/2004 | CN1142449C Controller of sea gravimeter |
03/11/2004 | WO2004020942A1 Diamagnetic levitation system |
03/11/2004 | US20040045230 Seismic base isolation by electro-osmosis during an earthquake event |
03/04/2004 | US20040043501 Monitoring reservoir conditions, estimating and quantifying concentrations of oil and gas in earth formations and determining operating and physical conditions of down hole tools |
02/26/2004 | WO2004016476A1 Method and arrangement for the classification of objects occupying a seat |
02/24/2004 | CA2268104C Method of obtaining improved geophysical information about earth formations |
02/04/2004 | CN1137394C High-precision GPS satellite clock for gravity data recording |
02/03/2004 | US6684973 Occupant detecting apparatus capable of improving detection accuracy |
01/08/2004 | WO2004003594A1 System and method for surveying underground density distributions |
01/06/2004 | US6675097 Nonlinear constrained inversion method to determine base of salt interface from gravity and gravity tensor data |
01/01/2004 | US20040000910 System and method for surveying underground density distributions |
12/31/2003 | CN1464295A A magnetic rotation force measuring instrument |
12/30/2003 | US6671057 Gravity and differential gravity sensor, and system and method for monitoring reservoirs using same |
12/30/2003 | US6668646 Gravity meter |
12/10/2003 | CN2591647Y Controller for digital marine gravitometer |
12/09/2003 | US6658935 Complemented absolute/relative full-tensor gravity gradiometer system |
11/27/2003 | US20030220739 Method of Determining Boundary Interface Changes in a Natural Resource Deposit |
11/25/2003 | CA2252594C Gravity meter |
11/18/2003 | CA2213555C Method and apparatus for regional gravity surveys |
11/13/2003 | US20030209070 Gravity gradiometer and method for calculating a gravity tensor with increased accuracy |
11/12/2003 | CN2586174Y Gravity vertical gradient observing platform |
11/12/2003 | CN1127667C Apparatus and method for measurement of gravitational fields |
11/06/2003 | US20030205083 Monitoring of downhole parameters and tools utilizing fiber optics |
10/30/2003 | DE10233098C1 Automobile seat has pressure sensors in a matrix array, to determine the characteristics of the seated passenger to set the restraint control to prevent premature airbag inflation and the like |
10/29/2003 | EP1357403A2 A method of generating electric power in a wellbore |
10/29/2003 | EP1357402A2 A light actuated system for use in a wellbore |
10/29/2003 | EP1357401A2 A system for controlling a downhole device in a wellbore |
10/22/2003 | EP1355170A2 A method of controlling production from a wellbore |
10/22/2003 | EP1355169A2 Method and apparatus for controlling chemical injection of a surface treatment system |
10/22/2003 | EP1355168A2 A method for avoiding injection induced unintentional fracture growth |
10/22/2003 | EP1355167A2 An injection well with a fibre optic cable to measure fluorescence of bacteria present |
10/22/2003 | EP1355166A2 An injection evaluation system |
10/15/2003 | EP0852734B1 Method and device for geodetic surveying and/or earth imaging by satellite signal processing |
09/25/2003 | WO2003079052A1 Enhancement of sensors for airborne operation |
09/18/2003 | WO2003076970A1 Gravity gradiometer and method for calculating a gravity tensor with increased accuracy |
09/09/2003 | US6615660 Real-time self-compensating gravity gradiometer instrument |
09/02/2003 | US6615139 Digitally implemented method for automatic optimization of gravity fields obtained from three-dimensional density interfaces using depth dependent density |
09/02/2003 | US6612171 Gravity measuring apparatus |
08/27/2003 | EP1337879A2 Gravity gradiometry |
08/20/2003 | CN1118713C High precision gravimeter |
07/31/2003 | US20030142008 Experimental arrangements for measuring propagation speed of variational gravitational field |
07/30/2003 | EP0910725B1 Wellbores utilizing fiber optic-based sensors and operating devices |
07/24/2003 | US20030136190 Micro-distance toss-up type absolute gravimeter |
07/17/2003 | US20030135332 Circuit and method for pipelined code sequence searching |
07/17/2003 | US20030131990 Wellbores utilizing fiber optic-based sensors and operating devices |
07/08/2003 | US6588266 Monitoring of downhole parameters and tools utilizing fiber optics |
06/10/2003 | US6575029 Gravity gradiometer accelerometers |
05/22/2003 | WO2003023447A3 A nonlinear constrained inversion method to determine base of salt interface from gravity and gravity tensor data |
05/01/2003 | US20030081218 Gravity and differential gravity sensor, and system and method for monitoring reservoirs using same |
04/03/2003 | WO2003027715A1 Apparatus for the measurement of gravitational gradients |
03/27/2003 | US20030060981 Nonlinear constrained inversion method to determine base of salt interface from gravity and gravity tensor data |
03/26/2003 | EP0988565A4 Gravity gradiometer |
03/20/2003 | WO2003023447A2 A nonlinear constrained inversion method to determine base of salt interface from gravity and gravity tensor data |
03/19/2003 | EP1292850A1 Method of determining boundary interface changes in a natural resource deposit |
03/11/2003 | US6531694 Wellbores utilizing fiber optic-based sensors and operating devices |
02/13/2003 | US20030033086 Gravity surveys |
01/09/2003 | US20030006929 Experimental arrangements for measuring propagation speed of variational gravitational field |
01/09/2003 | DE20204204U1 Acceleration sensor for flight monitoring has piezo sensor puck in magnetic field |
12/27/2002 | WO2002103399A1 Airborne gravity gradiometers |
12/27/2002 | WO2002103398A1 Gravity surveys |
12/17/2002 | US6494091 Apparatus for measuring a gravitational attraction of the earth |
11/28/2002 | WO2002095451A1 Method for generating and receiving gravity waves and device for carrying out said method |
10/29/2002 | CA2330968C System and process for optimizing gravity gradiometer measurements |
10/24/2002 | US20020152810 Apparatus for measuring a gravitational attraction of the earth |
10/22/2002 | US6467543 System and process for secondary hydrocarbon recovery |
09/19/2002 | WO2002044757A3 Gravity gradiometry |
09/18/2002 | EP1240534A1 Elastic bearing for one-armed torsion balances and torsion pendulum |
09/17/2002 | US6450028 Precision gravity gradiometer optically measuring density variations in gases |
08/28/2002 | CA2373709A1 Apparatus for measuring a gravitational attraction of the earth |
08/15/2002 | US20020109080 Wellbores utilizing fiber optic-based sensors and operating devices |
07/18/2002 | US20020092350 Gravity gradiometry |
06/26/2002 | CN1355439A Magnetic rotation force detector |
06/06/2002 | WO2002044757A2 Gravity gradiometry |
06/06/2002 | US20020066309 Monitoring of downhole parameters and tools utilizing fiber optics |
05/15/2002 | CN2491852Y Gravity recording system GPS time synchronizer |
05/01/2002 | CN1347117A Method and apparatus for providing stream link in audio/video disk medium |
04/04/2002 | US20020038947 Occupant detecting apparatus capable of improving detection accuracy |
03/27/2002 | CN1081796C Satellite carried microwave radiometer and point calibration method |
11/13/2001 | US6314809 Gravity measurement using bose-einstein condensed vapors and atom interferometry |
10/25/2001 | WO2001079892A1 Method of determining boundary interface changes in a natural resource deposit |
10/16/2001 | US6302204 Method of obtaining improved geophysical information about earth formations |
10/10/2001 | CN1316654A High-precision GPS satellite clock for gravity data recording |
10/09/2001 | US6298722 Rotary cam driven free fall dropping chamber mechanism |
09/27/2001 | US20010023614 Monitoring of downhole parameters and tools utilizing fiber optics |
09/13/2001 | US20010020675 Wellbores utilizing fiber optic-based sensors and operating devices |
08/28/2001 | US6281489 Monitoring of downhole parameters and tools utilizing fiber optics |
07/31/2001 | US6268911 Monitoring of downhole parameters and tools utilizing fiber optics |
07/24/2001 | CA2247743C Downhole gravity tool |
07/03/2001 | US6253848 Method of obtaining improved geophysical information about earth formations |
06/13/2001 | CN1299066A Controller of sea gravimeter |