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