| Patents for G01V 13 - Manufacturing, calibrating, cleaning, or repairing instruments or devices covered by groups (988) |
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| 07/20/2006 | US20060156810 Accelerometer and rate sensor package for gravity gradiometer instruments |
| 07/18/2006 | US7076992 Method and apparatus for calibrating position and thickness in acoustic hull testing |
| 07/11/2006 | CA2401316C System and method for determining an azimuth of a seismic energy source |
| 07/04/2006 | CA2375457C Method and apparatus improving performance of aperture monitoring system |
| 06/08/2006 | US20060117874 Integrated seismic sensor cable |
| 06/06/2006 | CA2499869C Method for forming a radio frequency responsive target and apparatus for verifying the authenticity of same |
| 05/18/2006 | WO2006021877A3 Improved geophone calibration technique |
| 05/18/2006 | US20060101896 Apparatus and methods for testing acoustic probes and systems |
| 05/03/2006 | CN1254689C Method for detecting missing element and fixing device therefor |
| 05/02/2006 | US7038457 Constructing co-located antennas by winding a wire through an opening in the support |
| 04/27/2006 | WO2006008502A3 Ultrasonic generator system |
| 04/11/2006 | US7027923 Method for determining sonde error for an induction or propagation tool with transverse or triaxial arrays |
| 03/16/2006 | US20060054186 Method and apparatus for cleaning a mobile immersed structure |
| 03/14/2006 | CA2273970C Method for forming a radio frequency responsive target and apparatus for verifying the authenticity of same |
| 03/02/2006 | WO2006021877A2 Improved geophone calibration technique |
| 03/02/2006 | CA2578411A1 Improved geophone calibration technique |
| 02/16/2006 | US20060032286 Ultrasonic sensor |
| 02/14/2006 | CA2401008C Pressure-sensitive switch, its method of calibration and use in a hydrophone array |
| 02/02/2006 | US20060021438 Laser-ultrasonic detection of flip chip attachment defects |
| 02/02/2006 | CA2574317A1 Error correction and calibration of a deep reading propagation resistivity tool |
| 01/26/2006 | WO2006008502A2 Ultrasonic generator system |
| 01/24/2006 | US6989662 Sensor auto-recalibration |
| 01/04/2006 | CN1715955A Method of seismic source monitoring using modeled source signatures with calibration functions |
| 12/07/2005 | CN1704772A High reliability testing method and testing system for detectors |
| 12/01/2005 | US20050263692 Method of compensating a density log |
| 11/28/2005 | CA2503845A1 A method of compensating a density log |
| 11/24/2005 | US20050259513 Method of seismic source monitoring using modeled source signatures with calibration functions |
| 11/24/2005 | US20050257598 Device for calibrating a pressure sensor, in particular an infrasound pressure sensor |
| 11/17/2005 | WO2005109040A1 Sensor auto-recalibration |
| 11/17/2005 | CA2557197A1 Sensor auto-recalibration |
| 11/03/2005 | US20050242800 Sensor auto-recalibration |
| 11/03/2005 | US20050241365 Transducer testing |
| 10/18/2005 | US6956226 Light image sensor test of opto-electronics for in-circuit test |
| 10/12/2005 | EP0657032B1 Dual sensitivity stud sensor |
| 09/27/2005 | US6950778 Programmable photoelectric sensor and a system for adjusting the performance characteristics of the sensor |
| 09/15/2005 | US20050199794 Spectral gamma ray logging-while-drilling system |
| 09/15/2005 | CA2842939A1 Spectral gamma ray logging-while-drilling system |
| 09/15/2005 | CA2842938A1 Spectral gamma ray logging-while-drilling system |
| 09/15/2005 | CA2497355A1 Spectral gamma ray logging-while-drilling system |
| 09/01/2005 | US20050188743 Automatic ultrasonic frequency calibration scheme |
| 08/18/2005 | CA2554788A1 Method and apparatus for land based seismic data acquisition |
| 08/09/2005 | US6927577 Digital nulling pulse inductive metal detector |
| 08/03/2005 | CN1648691A Method for determining sonde error for an induction or propagation tool with transverse or triaxial arrays |
| 07/07/2005 | WO2005062078A1 Methods and systems for calibrating acoustic receivers |
| 07/07/2005 | CA2549058A1 Methods and systems for calibrating acoustic receivers |
| 07/06/2005 | EP1550882A1 Method for forming a radio frequency responsive target and apparatus for verifying the authenticity of same |
| 06/30/2005 | US20050143920 Method for determining sonde error for an induction or propagation tool with transverse or triaxial arrays |
| 06/29/2005 | EP1149506A4 High bandwidth force-balance single-coil geophone |
| 06/22/2005 | EP0948751B1 Method for forming a radio frequency responsive target |
| 06/16/2005 | US20050128871 Methods and systems for calibrating acoustic receivers |
| 06/07/2005 | US6903360 Method for detecting missing components at electrical board test using optoelectronic fixture-mounted sensors |
| 06/07/2005 | US6903330 Multi-point subsurface measurement calibration |
| 06/02/2005 | WO2005048841A1 System and method for distortion reduction in an electromagnetic tracker |
| 05/31/2005 | US6901349 Analysis apparatus and analysis method |
| 05/26/2005 | US20050114034 Determination of geophone coupling |
| 05/19/2005 | US20050107687 System and method for distortion reduction in an electromagnetic tracker |
| 05/19/2005 | US20050104595 Digital nulling pulse inductive metal detector |
| 05/17/2005 | US6894490 Device and method for measuring magnetic field(s) with calibration superimposed on the measurement and corresponding uses |
| 05/17/2005 | CA2435012C Method and device for calibration of dual-axis tilt meter |
| 03/31/2005 | CA2538952A1 Single station wireless seismic data acquisition method and apparatus |
| 02/02/2005 | EP1503225A2 Determination of Geophone Coupling |
| 02/02/2005 | EP1502087A1 Improvements to transducer testing |
| 02/01/2005 | CA2476117A1 Determination of geophone coupling |
| 12/22/2004 | EP1488554A2 Method and apparatus for marine source diagnostics and gui for operating same |
| 11/24/2004 | CN2658759Y Natural gamma on site graduating machine |
| 11/24/2004 | CN2658758Y Automatic detecting device for comprehensive well log instrument |
| 11/03/2004 | CN2653523Y Electroacoustic imaging logging analogue test device |
| 08/17/2004 | US6776035 Method and device for calibration of dual-axis tilt meter |
| 07/22/2004 | US20040140798 Metal detector and its test procedure |
| 07/15/2004 | US20040135107 Light image sensor test of opto-electronics for in-circuit test |
| 07/06/2004 | US6758080 Calibration of sensors |
| 07/01/2004 | DE202004006336U1 Handheld metal detector for use in checking persons passing through an access control point, e.g. in an airport, incorporates a test coil which can be switched across a resistance to provide a means for in-situ calibration |
| 06/22/2004 | US6754586 Apparatus and methods for monitoring output from pulsed neutron sources |
| 06/17/2004 | WO2004051316A1 Method and apparatus for cleaning a mobile immersed structure |
| 06/17/2004 | US20040113609 Electromagnetic logging tool calibration system |
| 06/16/2004 | EP1429148A2 Method and apparatus for stud sensing to determine erroneous calibration over a stud |
| 05/13/2004 | DE10335094A1 Ein Verfahren zum Erfassen von fehlenden Komponenten bei einem Elektrisch-Platine-Test unter Verwendung von optoelektronischen halterungsbefestigten Sensoren A method for detecting missing components in an electrically-board test using optoelectronic sensors mounted bracket |
| 04/22/2004 | US20040075067 Method for detecting missing components at electrical board test using optoelectronic fixture-mounted sensors |
| 04/21/2004 | CN1490631A Method for detecting missing element utilizing photoelectric sensor in electric circuit board test |
| 04/20/2004 | US6722203 Strong-motion seismological accelerometer system |
| 04/13/2004 | US6718816 Monolithic I.C. implemented calibration circuit |
| 03/25/2004 | US20040059507 Analysis apparatus and analysis method |
| 03/18/2004 | US20040050141 Method and device for calibration of dual-axis tilt meter |
| 03/03/2004 | EP1394570A1 Metal detector and metal detector testing procedure |
| 01/29/2004 | WO2003079049A3 Method and apparatus for marine source diagnostics and gui for operating same |
| 01/29/2004 | US20040017197 Co-located antennas |
| 12/11/2003 | DE29824982U1 Control apparatus for testing a detector such as a metal detector used in mine or bomb detection includes inductance, a switch mechanism and a spacer |
| 12/02/2003 | US6655188 Method and system for calibrating a conversion unit of a fiber optic sensor head |
| 11/20/2003 | WO2003096075A1 Recalibration of downhole sensors |
| 11/20/2003 | WO2003095957A1 Improvements to transducer testing |
| 11/19/2003 | EP1362229A1 Device for calibrating a pressure sensor, in particular an infrasound pressure sensor |
| 11/13/2003 | US20030209365 Recalibration of Downhole Sensors |
| 09/25/2003 | WO2003079049A2 Method and apparatus for marine source diagnostics and gui for operating same |
| 09/25/2003 | US20030177810 Monolithic I.C. implemented calibration circuit |
| 09/25/2003 | CA2744084A1 Method and apparatus for marine source diagnostics and gui for operating same |
| 09/25/2003 | CA2478178A1 Method and apparatus for marine source diagnostics and gui for operating same |
| 09/09/2003 | US6618325 Method and apparatus for controlling damping and in situ determination of frequency response for high bandwidth force-balance single-coil geophone |
| 08/14/2003 | US20030151404 Device and method for measuring magnetic field(s) with calibration superimposed on the measurement and corresponding uses |
| 06/03/2003 | US6571598 Calibration circuit for use with a differential input preamplifier in a sensor system |
| 05/08/2003 | WO2003038475A1 Array calibration and quality assurance |