| Patents for G01V 13 - Manufacturing, calibrating, cleaning, or repairing instruments or devices covered by groups (988) |
|---|
| 06/10/1986 | US4594692 Seismic signal generator |
| 06/10/1986 | CN85101893A Instrument for calibrating gravimeter |
| 06/10/1986 | CA1205896A1 Cableless seismic digital field recorder having on- site test capabilities |
| 01/02/1986 | EP0166510A2 A method for determining the far field signature of a marine seismic source from near-field measurements |
| 12/31/1985 | CA1198805A1 Determination of system response |
| 10/29/1985 | US4550263 Waveform generator |
| 09/24/1985 | CA1194206A1 Method of determining the signatures of arrays of marine seismic sources |
| 08/13/1985 | CA1191902A1 Device for the detection of water entering a seismic flute |
| 07/30/1985 | US4532434 Waveform generator |
| 06/26/1985 | EP0093767A4 Method for determining source and receiver statics in marine seismic exploration. |
| 04/24/1985 | EP0138506A2 Remote calibration of acoustic transducer array |
| 03/05/1985 | US4503526 Device for water inflow detection inside a seismic streamer |
| 01/15/1985 | CA1181159A1 Method for determining source and receiver statics in marine seismic exploration |
| 01/08/1985 | US4493063 Method and apparatus for seismic geophysical exploration |
| 12/04/1984 | US4486862 Determination of system response |
| 11/06/1984 | CA1177569A1 Current impulse method and apparatus for testing geophone strings |
| 10/09/1984 | US4476553 Method of determining the signatures of arrays of marine seismic sources |
| 08/28/1984 | US4468760 Directional line-hydrophone array calibrator |
| 06/05/1984 | US4453238 Apparatus and method for determining the phase sensitivity of hydrophones |
| 05/15/1984 | US4448057 Apparatus and method for testing a geophone during assembly |
| 05/01/1984 | US4445361 System for detection of transducer defects |
| 04/17/1984 | US4443713 Waveform generator |
| 02/22/1984 | EP0101281A2 Underwater seismic testing |
| 11/16/1983 | EP0093767A1 Method for determining source and receiver statics in marine seismic exploration. |
| 11/15/1983 | US4415997 Method for determining source and receiver statics in marine seismic exploration |
| 10/18/1983 | CA1155536A1 Method and apparatus for seismic geophysical exploration |
| 10/11/1983 | US4409480 Method and system for the testing and calibration of radioactive well logging tools |
| 07/05/1983 | US4392213 Current impulse method and apparatus for testing geophone strings |
| 05/26/1983 | WO1983001839A1 Method for determining source and receiver statics in marine seismic exploration |
| 03/16/1983 | EP0074204A1 Determination of system response |
| 03/01/1983 | US4375679 Hydrophone acoustic response chamber |
| 12/28/1982 | US4366561 Method and apparatus for testing a plurality of geophones |
| 12/08/1982 | EP0066423A1 Method of determining the signatures of arrays of marine seismic sources, and of accumulating data for use in such methods |
| 10/05/1982 | US4353120 Low-frequency sound source for towed array condition appraiser system (TACAS) |
| 03/16/1982 | US4320468 Method for testing a seismic marine cable |
| 03/09/1982 | CA1119668A1 Checking method for laterolog |
| 12/15/1981 | US4305274 Waveform generator |
| 11/03/1981 | US4298969 Method and apparatus for testing the impedances of geophone channels |
| 10/20/1981 | US4296485 Tilt alarm in a seismic exploration system |
| 10/20/1981 | US4296483 Method and means for measuring geophone parameters |
| 10/20/1981 | US4296481 Streamer bulkhead |
| 09/22/1981 | US4291267 Method and apparatus for testing the integrity of the electrical insulation of a well logging sonde |
| 09/15/1981 | US4290123 Towed array condition appraisal system |
| 09/08/1981 | US4288748 Method for testing metal detectors |
| 08/25/1981 | CA1107851A1 Automatic system and method for testing marine streamers of seismic exploration systems |
| 06/30/1981 | US4276619 Impedance and common mode rejection testing of a multi-channel seismic data gathering apparatus |
| 05/12/1981 | US4267585 Device for determining the configuration and calibrating long, towed underwater structures |
| 03/31/1981 | US4259732 Transducer assembly for self-calibration |
| 01/27/1981 | CA1094676A1 Reference element for adjusting ultrasonic test equipment |
| 11/11/1980 | US4233677 Automatic system and method for testing marine streamers of seismic exploration systems |
| 09/30/1980 | CA1086853A1 Automatic method and apparatus for digitally indicating response characteristics of geophones of a geophysical data acquisition system |
| 09/16/1980 | US4223397 Turbulent flow device for testing hydrophones |
| 08/12/1980 | CA1083719A1 Digital processor for selectively synthesizing sinusoidal waveforms say suitable for testing geophones or combinations of geophones of a geophysical data acquisition system |
| 07/29/1980 | CA1082814A1 Automatic comparison calibration device |
| 07/15/1980 | CA1081865A1 Method and apparatus for calibrating radioactivity well logging tools |
| 06/24/1980 | CA1080367A1 Method and apparatus for calibrating radioactivity well logging tools |
| 05/27/1980 | US4205394 Sealed cavity hydrophone array calibration |
| 05/14/1980 | EP0010660A1 Method and apparatus for seismic geophysical exploration |
| 01/15/1980 | US4184143 Seismic signal conductor testing system |
| 01/08/1980 | US4182154 Initializing ultrasonic test equipment with a particular reference element |
| 11/20/1979 | CA1066797A1 Marine seismic streamer with depth sensor calibrating means |
| 08/28/1979 | US4166270 Testing of seismic streamers |
| 07/03/1979 | US4160228 Method and apparatus for testing marine seismic cables |
| 06/19/1979 | CA1056911A1 Method and apparatus for diagnosing faults in the geophone group of a geophysical data acquisition system |
| 05/15/1979 | US4155038 Automatic comparison calibration device with ratio determination |
| 05/15/1979 | CA1054679A1 Automatic measurement and display of resonance frequencies of seismic detection elements |
| 03/13/1979 | US4144486 Apparatus for testing metal detectors |
| 01/16/1979 | US4135141 Marine seismic streamer with depth sensor calibrating means |
| 01/09/1979 | US4134099 System for land seismic cable fault location |
| 10/10/1978 | US4119847 Calibrator for radioactivity well logging tools |
| 09/12/1978 | CA1038486A1 Acoustic emission transducer calibration |
| 04/18/1978 | US4085323 Calibrator for radioactivity well logging tools |
| 04/11/1978 | US4084135 System and method for checking the sensitivity and performance of an electromagnetic field variation detector |
| 10/25/1977 | US4055138 Underwater vehicle towing and recovery apparatus |
| 10/04/1977 | US4052694 Method and apparatus for diagnosing faults in the geophone group of a geophysical data acquisition system |
| 08/23/1977 | US4043176 Acoustic white noise generator |
| 08/23/1977 | US4043175 Automatic method and apparatus for digitally indicating response characteristics of geophones of a geophysical data acquisition system |
| 08/02/1977 | US4039806 Synthesizer for testing elements of a geophysical data acquisition system |
| 08/02/1977 | US4039767 Acoustic emission transducer calibration |
| 05/24/1977 | US4024758 Simulated testing of undersea apparatus |
| 04/05/1977 | US4016569 Near field antenna boresight alignment apparatus |
| 03/29/1977 | US4015202 Automatic measurement and display of resonance frequencies of seismic detection elements |
| 03/01/1977 | US4010442 Status display for seismometer-group recorder operations |
| 03/01/1977 | US4009523 Acoustic signature simulation |
| 01/11/1977 | US4003018 Method and apparatus for testing a plurality of geophones |
| 05/11/1976 | US3956693 Method and apparatus for testing magnetic sensors using a saturable core and variable load resistors to simulate actual test conditions |
| 05/04/1976 | US3954015 Method of determining piezoelectric constants of ceramic rings |
| 02/24/1976 | US3940610 Natural gamma radiation borehole logging system |