| Patents for G01V 13 - Manufacturing, calibrating, cleaning, or repairing instruments or devices covered by groups (988) |
|---|
| 03/12/2009 | WO2009032601A1 Calibrating an accelerometer on a seismic cable |
| 02/25/2009 | EP1740981B1 Automatic stud sensor recalibration |
| 02/11/2009 | EP2021833A1 Method and system for monitoring growth characteristics |
| 01/27/2009 | CA2368127C Accelerometer transducer used for seismic recording |
| 01/19/2009 | CA2595151A1 Balancing circuit for a metal detector |
| 01/15/2009 | US20090013756 Mail piece stiffness detector |
| 01/14/2009 | EP2013645A2 Calibration of a magnetic sensor device |
| 01/14/2009 | CN101343996A High-precision locator used for electromagnetic wave logging instrument calibrator or graduator |
| 01/08/2009 | WO2009006077A1 Systems and methods for calibrating an electromagnetic receiver |
| 12/25/2008 | US20080316865 Ultrasonic Generator System |
| 12/24/2008 | EP2005221A2 Method and apparatus for sensing a borehole characteristic |
| 12/17/2008 | EP2002290A1 Calibration method and calibration apparatus for a hand-held locating device |
| 12/10/2008 | EP2000824A2 Method for forming a radio frequency responsive target and apparatus for verifying the authenticity of same |
| 11/27/2008 | WO2008144570A1 Systems and methods for testing the functionality of ultrasound transducers |
| 11/20/2008 | US20080282766 Electromagnetic flowmeter and zero point measurement method thereof |
| 11/18/2008 | CA2844462A1 Methods and apparatus for dispensing solid articles |
| 11/18/2008 | CA2680677A1 Methods and apparatus for dispensing solid articles |
| 10/22/2008 | EP1983154A1 In-situ correction of triaxial accelerometer and magnetometer measurements made in a well |
| 10/17/2008 | CA2628681A1 Methods of correcting accelerometer and magnetometer measurements |
| 10/14/2008 | US7437247 Method of determining paraffinic crude flow restart conditions |
| 09/25/2008 | WO2007122542A3 Calibration of a magnetic sensor device |
| 09/11/2008 | US20080216555 Method For Calibrating Ultrasound Clamp-On Flowmeters |
| 08/27/2008 | CN101252394A Sight axis self-correcting method of atmosphere laser communication system |
| 08/27/2008 | CN101251607A Testing and standardization device for ground nuclear magnetic resonance water-seeking instrument system as well as testing method |
| 08/19/2008 | US7414391 Electromagnetic logging tool calibration system |
| 08/19/2008 | CA2488144C Method for determining sonde error for an induction or propagation tool with transverse or triaxial arrays |
| 08/13/2008 | CN100410686C Methods and systems for calibrating acoustic receivers |
| 07/31/2008 | WO2007117846A3 Method and apparatus for sensing a borehole characteristic |
| 07/31/2008 | US20080178654 Correlation of ultrasound images and gated position measurements |
| 07/30/2008 | CN100406913C 检波器的测试方法及测试系统 Detector test methods and test systems |
| 07/17/2008 | US20080172180 Correction Method for Processing Seismic Traces |
| 07/09/2008 | CN201083837Y Calibrator |
| 06/25/2008 | EP1488554A4 Method and apparatus for marine source diagnostics and gui for operating same |
| 06/18/2008 | CN101201413A Ice detection based on anemometry |
| 06/18/2008 | CN101201412A Instrument for standardizing gravimeter lattice value |
| 06/17/2008 | US7388806 Mass positioning apparatus for a seismic sensor |
| 06/11/2008 | CN201072344Y Seismograph acquisition station housing |
| 05/30/2008 | CA2594079A1 Method and system for stabilizing gain of a photomultiplier used with a radiation detector |
| 05/15/2008 | US20080111550 RF resonator system and method for tuning an RF resonator system |
| 05/14/2008 | CN201060274Y Remote indicating instrument three bus signal matched thick film circuit |
| 05/14/2008 | CN201060273Y Remote indicating instrument impulse signal processing thick film circuit |
| 05/14/2008 | CN201060272Y Thick film circuit for recognizing and synthesizing telemetered signal |
| 03/12/2008 | CN100374879C Method for determining sonde error for an induction or propagation tool with transverse or triaxial arrays |
| 02/27/2008 | EP1183556A4 Method and apparatus improving performance of aperture monitoring system |
| 01/29/2008 | CA2187422C Downhole production well control system and method |
| 01/14/2008 | CA2593688A1 Accurate dynamic gravity measurement method and apparatus |
| 01/05/2008 | CA2593640A1 Voltage leakage detection for serially connected electrical nodes in a seismic surveying system |
| 01/05/2008 | CA2593103A1 Short circuit protection for serially connected nodes in a hydrocarbon exploration or production electrical system |
| 12/21/2007 | WO2007143836A1 Gamma radiation spectral logging system and method for processing gamma radiation spectra |
| 12/21/2007 | CA2654888A1 Gamma radiation spectral logging system and method for processing gamma radiation spectra |
| 12/05/2007 | CN101084072A Resonant ultrasonic tool generator system |
| 11/15/2007 | WO2007128122A1 Method and system for monitoring growth characteristics |
| 11/15/2007 | CA2651698A1 Method and system for monitoring growth characteristics |
| 11/14/2007 | CN100349018C Internal and external element correcting method of star sensor |
| 11/08/2007 | WO2007030024A3 Hidden fitting locator |
| 11/08/2007 | US20070256472 SEM test apparatus |
| 11/06/2007 | US7290451 Status discriminating apparatus of human, animal, machine or the like using ultrasonic vibration detecting sensor, and status discriminating method of human, animal, machine or the like using the same |
| 11/01/2007 | WO2007122542A2 Calibration of a magnetic sensor device |
| 10/18/2007 | CA2646145A1 Method and apparatus for sensing a borehole characteristic |
| 10/17/2007 | CN200962148Y Well mouth signal simulator |
| 10/11/2007 | WO2007112798A1 Calibration method and calibration apparatus for a hand-held locating device |
| 10/11/2007 | CA2646200A1 Calibration method and calibration apparatus for a hand-held locating device |
| 10/10/2007 | EP1843177A1 Calibration method and calibration apparatus for a hand-held locating device |
| 10/10/2007 | CN101052896A Improved geophone calibration technique |
| 10/03/2007 | CA2581437A1 Method and system for calibrating downhole tools for drift |
| 09/30/2007 | CA2581522A1 System and method for calibration of well logging tools |
| 09/18/2007 | US7272505 Determination of geophone coupling |
| 08/23/2007 | CA2639947A1 Source monitoring for electromagnetic surveying |
| 08/07/2007 | US7253401 Spectral gamma ray logging-while-drilling system |
| 07/31/2007 | US7249487 Device for calibrating a pressure detector |
| 07/10/2007 | CA2195496C Procede de traitement de calibration d'une paire de capteurs hydrophone/geophone et procede de prospection sismique mettant en oeuvre ce traitement |
| 06/07/2007 | US20070127311 Methods and systems for calibrating acoustic receivers |
| 06/05/2007 | US7225662 Geophone calibration technique |
| 05/30/2007 | EP1272863B1 Device and method for measuring magnetic field(s) with calibration superimposed on the measurement, and corresponding uses |
| 05/15/2007 | US7218572 Method of seismic source monitoring using modeled source signatures with calibration functions |
| 05/09/2007 | EP1782104A2 Improved geophone calibration technique |
| 04/18/2007 | CN1949002A Internal and external element correcting method of star sensor |
| 02/22/2007 | US20070041274 Acoustic sensor |
| 02/22/2007 | US20070041273 Acoustic sensor |
| 02/21/2007 | CN1918487A Methods and systems for calibrating acoustic receivers |
| 02/21/2007 | CN1916662A Multifunctional generator for electrical surveying signal |
| 01/30/2007 | US7168507 Recalibration of downhole sensors |
| 01/17/2007 | EP1744183A1 Test device for walk-through metal detector |
| 01/11/2007 | CA2551516A1 Testing device for metal detector gateway |
| 01/10/2007 | EP1740981A1 Sensor auto-recalibration |
| 12/19/2006 | CA2447179C Method for asymptotic dipping correction |
| 12/05/2006 | US7145328 Metal detector and its test procedure |
| 11/30/2006 | DE19910324B4 Dopplereffekt-Mikrowellensensor mit Funktionsüberwachung Doppler microwave sensor with fault monitoring |
| 11/21/2006 | CA2184770C Method and apparatus for correcting drift in the response of analog receiver components in induction well logging instruments |
| 10/26/2006 | US20060236747 Sonic activation of strain sensitive cells |
| 10/18/2006 | EP1712887A1 Sensor with improved gain-setting capability |
| 10/10/2006 | CA2434435C Co-located antennas |
| 09/08/2006 | CA2599973A1 Apparatus for and method of using an intelligent network and rfid signal router |
| 09/06/2006 | EP1696793A1 System and method for distortion reduction in an electromagnetic tracker |
| 08/31/2006 | US20060191315 Ultrasound transmit and receive path calibration methods and systems |
| 08/31/2006 | DE19954716B4 Funktionsprüfung für einen Metalldetektor Functional test for a metal detector |
| 08/10/2006 | US20060174688 Vibration actuator |
| 08/03/2006 | US20060169022 Device for measuring thickness of vessel steel plate |
| 08/01/2006 | US7085194 Methods and systems for calibrating acoustic receivers |
| 07/24/2006 | CA2493826A1 Mass positioning apparatus for a seismic sensor |