Patents
Sitemap › G01 - Measuring; Testing › G01V - Geophysics; Gravitational measurements; Detecting masses or objects; Tags › G01V 7 - Measuring gravitational fields or waves; Gravimetric prospecting or detecting
Patents for G01V 7 - Measuring gravitational fields or waves; Gravimetric prospecting or detecting (1,315)
04/2001
04/10/2001US6212952 System and process for optimizing gravity gradiometer measurements
04/03/2001US6209640 Method of obtaining improved geophysical information about earth formations
02/2001
02/14/2001CN2419607Y High pricisive gravity instrument
01/2001
01/30/2001CA2198925C Device and process for gravitation measurement
12/2000
12/27/2000CN1278067A High precision gravimeter
11/2000
11/28/2000US6152226 System and process for secondary hydrocarbon recovery
10/2000
10/25/2000CN2403038Y Control device for marine gravitometer
10/12/2000DE19915495A1 Method for measuring value direction and/or change in neutrino current by comparing pendulum acceleration at this location to that of second location with the simultaneous disintegration rate of radioactive sample
10/10/2000US6130644 Method and apparatus for geodetic surveying and/or earth imaging by satellite signal processing
10/04/2000EP1040372A1 Angular motion measuring device
10/03/2000US6125698 System and process for optimizing gravity gradiometer measurements
08/2000
08/11/2000CA2261510A1 Gravitational survey system and method
08/08/2000CA2259044C Flexural pivot bearing
07/2000
07/04/2000US6082194 Gravity meter
06/2000
06/06/2000US6073077 Method for determining gravity in an inertial navigation system
05/2000
05/23/2000US6065538 Method of obtaining improved geophysical information about earth formations
03/2000
03/29/2000EP0988565A1 Gravity gradiometer
03/29/2000EP0988564A1 Gravity gradiometer accelerometers
03/15/2000CN1247321A Strip-chart recorder for gravitation aerosurvey
03/09/2000WO2000012966A1 Method for determining gravity in an inertial navigation system
02/2000
02/22/2000US6028270 Noninvasive mass determination stockpiled materials
02/22/2000CA2006145C Gravity gradiometer
02/03/2000WO1999059002A3 System and process for optimizing gravity gradiometer measurements
01/2000
01/20/2000WO1999060425A8 One-armed torsion balance
01/18/2000US6014895 Determination of gravity by observation of density variations in gases
12/1999
12/28/1999US6006832 Method and system for monitoring and controlling production and injection wells having permanent downhole formation evaluation sensors
12/28/1999CA2212676C Apparatus and method for measuring gravity
11/1999
11/25/1999WO1999060425A1 One-armed torsion balance
11/18/1999WO1999059002A2 System and process for optimizing gravity gradiometer measurements
11/18/1999WO1999058816A1 System and process for secondary hydrocarbon recovery
10/1999
10/26/1999US5970787 Downhole gravity tool
10/06/1999CN1230694A Force measurer
10/05/1999US5962782 Gravity gradiometer accelerometers
10/05/1999US5962781 Apparatus for the measurement of gravitational fields
09/1999
09/28/1999US5959547 Well control systems employing downhole network
09/08/1999CN2337574Y Aerial gravity surveying strip chart recorder
09/08/1999CN2337573Y A kind of electrostatic feedback apparatus for precision gravity meter
08/1999
08/10/1999CA2104180C Laplace gravity gradiometer
08/04/1999EP0784802B1 Apparatus for the measurement of gravitational fields
07/1999
07/15/1999DE19751724A1 Device for measuring changes in gravitation
07/13/1999US5924056 Device and method for measuring gravitation
07/13/1999US5922951 Gravity gradiometer
07/01/1999WO1999032906A1 Angular motion measuring device
05/1999
05/06/1999EP0913709A2 Downhole gravity tool
04/1999
04/28/1999EP0910725A1 Wellbores utilizing fiber optic-based sensors and operating devices
04/28/1999CN2316685Y Dual-purpose penduleum capable of upside-down for teaching and measuring
04/06/1999US5892151 Differential interferometric ballistic gravity measurement apparatus and method
02/1999
02/09/1999US5869759 Method and apparatus for regional gravity surveys using a GPS receiver
02/09/1999CA2099304C Strata movement indicator
02/04/1999WO1998050680A3 Monitoring of downhole parameters and tools utilizing fiber optics
01/1999
01/20/1999EP0778955B1 Device and process for gravitation measurement
12/1998
12/24/1998DE19726142A1 Automatic force and power machine with gravitational- and rotational drive
12/17/1998WO1998057197A1 Gravity gradiometer
12/17/1998WO1998057196A1 Gravity gradiometer accelerometers
12/17/1998CA2293217A1 Gravity gradiometer accelerometers
11/1998
11/12/1998WO1998050681A1 Wellbores utilizing fiber optic-based sensors and operating devices
11/12/1998WO1998050680A2 Monitoring of downhole parameters and tools utilizing fiber optics
10/1998
10/15/1998DE19715209A1 Method for determining intensity of gravitational interaction
10/13/1998US5821413 Gravity gradiometry in a wellbore using a virtual long-baseline
10/06/1998US5817939 Proof mass support and sensing system
09/1998
09/17/1998DE19709528A1 Symmetrical mass carrier produces stable floating half masses, e.g. suspended weight scales
09/08/1998US5804722 Gravity gradiometer
07/1998
07/15/1998EP0852734A1 Method and device for geodetic surveying and/or earth imaging by satellite signal processing
06/1998
06/25/1998DE19710269C1 Gravimeter unit with a superconducting floating element, and method for its use
06/17/1998CN1184943A Satellite carried microwave radiometer one point calibration method
06/04/1998DE19643452A1 Automatic power and working machine with gravitation and rotation drive
04/1998
04/16/1998WO1998015852A1 Automatic driving and working m/c driven by the gravitational and rotational force, and instrument for measuring the gravitation
04/16/1998WO1998015850A1 Method of obtaining improved geophysical information about earth formations
04/07/1998US5737219 Method of monitoring deformation of geological structures and predicting geodynamic events
04/02/1998DE19641215A1 Gravitation device for generating gravitational force - gravitation tube, gravitational meter, gravitation converter
03/1998
03/31/1998US5734104 Laplace gravity gradiometer
03/19/1998DE19638726A1 Production of gravitational work by controlled mass interactions
03/17/1998US5728935 Method and apparatus for measuring gravity with lever arm correction
02/1998
02/19/1998WO1998007046A1 Method and device for geodetic surveying and/or earth imaging by satellite signal processing
12/1997
12/03/1997CN1166877A Apparatus for measurement of gravitational fields
11/1997
11/06/1997WO1997041459A1 Gravity meter
11/06/1997DE19614183A1 Gravity force wave detection by monitoring measuring stretch length by laser beam
10/1997
10/15/1997EP0673479B1 Mechanical linear guide
09/1997
09/30/1997US5673191 Method and apparatus for identifying geological structures using wavelet analysis of potential fields
09/16/1997US5668315 Gravity gradiometer with flexural pivot bearing
09/02/1997US5663486 For making a body move along a movement axis
08/1997
08/26/1997US5661649 Airborne gravity and magnetic field surveying method
08/06/1997EP0676039B1 Very low amplitude microvibration sensing device
07/1997
07/23/1997EP0784802A1 Apparatus for the measurement of gravitational fields
07/08/1997US5646728 Ultrasensitive interferometer suitable for detecting gravitational waves
06/1997
06/18/1997EP0778955A1 Device and process for gravitation measurement
06/10/1997US5637797 Optical fiber gravity meter
03/1997
03/25/1997US5615114 Method for mapping sea level undulations with applications to mineral and hydrocarbon prospecting
02/1997
02/11/1997US5602731 Method for mapping sea level undulations with applications to mineral and hydrocarbon prospecting
12/1996
12/24/1996US5587526 Proof mass support and sensing system
12/18/1996EP0666990B1 Method of monitoring deformation of geological structures and predicting geodynamic events
09/1996
09/26/1996DE19510172A1 Rotational weighing device for providing visible proof of Coriolis effect due to rotation of Earth
04/1996
04/11/1996WO1996010759A1 Apparatus for the measurement of gravitational fields
04/09/1996US5505555 Flexural pivot bearing
03/1996
03/07/1996WO1996007113A1 Device and process for gravitation measurement
03/07/1996DE4430684A1 Flug-/Seegravimeter Air / Seegravimeter
01/1996
01/30/1996CA2033341C Atomic interferometry gyroscopes, accelerometers and gravity gradiometers
10/1995
10/31/1995US5461914 Optical fiber gravity meter
10/11/1995EP0676039A1 Very low amplitude microvibration sensing device.
10/04/1995EP0675375A2 Proof mass support and sensing system
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