| Patents for G01V 1 - Seismology; Seismic or acoustic prospecting or detecting (27,288) |
|---|
| 07/26/1977 | US4038631 Method for generating and detecting seismic shear wave energy in the earth |
| 07/26/1977 | US4038630 Airgun marine seismic survey streamer method and apparatus |
| 07/19/1977 | US4037190 Method of vibratory seismic prospecting for minimum correlation noise |
| 07/12/1977 | US4034827 Air gun utilizing magnetized shuttle |
| 07/12/1977 | US4034672 Linear explosive |
| 07/05/1977 | US4034333 Method of reducing monochromatic interference in continuous wave seismic prospecting |
| 07/05/1977 | US4033429 Downhole seismic source |
| 07/05/1977 | US4033278 Apparatus for controlling lateral positioning of a marine seismic cable |
| 07/05/1977 | US4033179 Acoustic emission monitoring system |
| 06/28/1977 | US4032912 Intensity modulated display system |
| 06/28/1977 | US4031826 Detonation system and method |
| 06/21/1977 | US4031506 Multiplexer commutated high pass filter |
| 06/21/1977 | US4031505 Seismic system with signal-to-noise determination |
| 06/21/1977 | US4031504 Gain ranging amplifier system |
| 06/14/1977 | US4029176 Doorway safety device |
| 06/07/1977 | US4028659 Strong motion accelerograph with self-starter and electrical as well as light outputs |
| 05/31/1977 | US4027281 Digital recording of sonic log wavetrains |
| 05/31/1977 | US4026383 Gyroscopic vibrator |
| 05/31/1977 | US4026382 Repetitive detonation seismic surveying method and apparatus |
| 05/24/1977 | US4025894 Method and apparatus for improving the directional characteristic of an echo sounder receiving base |
| 05/24/1977 | US4025797 Apparatus for detecting the movement of one or more objects |
| 05/17/1977 | US4024492 Seismic array |
| 05/17/1977 | US4023413 Device for measuring accelerations, particularly accelerations due to gravity |
| 05/10/1977 | US4023140 Seismic data telemetering system |
| 05/03/1977 | US4021774 Borehole sensor |
| 05/03/1977 | US4021773 Acoustical pick-up for reception of signals from a drill pipe |
| 05/03/1977 | US4021772 System for recording seismic reflection signals in true amplitude |
| 05/03/1977 | US4021649 Data compositing and array control system |
| 05/03/1977 | US4020919 Seismic source with no reaction mass |
| 04/26/1977 | US4020452 Apparatus for use in investigating earth formations |
| 04/26/1977 | US4020451 Methods and apparatus for recording well logging measurements |
| 04/26/1977 | US4020450 Towed hydrophone preamplifier and receiver |
| 04/26/1977 | US4020447 Method and apparatus for recording seismic signals |
| 04/12/1977 | US4017833 Summer for group recorder |
| 04/12/1977 | US4016952 Marine gas exploder |
| 04/12/1977 | US4016951 Air transportable seismic exploration system for use on ice-covered waters |
| 04/12/1977 | US4016942 Method and apparatus for indicating the position of one well bore with respect to a second well bore |
| 04/05/1977 | US4016531 System for recording seismic reflection signals in serial-by-trace format |
| 04/05/1977 | US4016529 Body detecting device |
| 04/05/1977 | US4016528 Moving target detector |
| 04/05/1977 | US4015684 Snow field sound imploder |
| 03/29/1977 | US4015202 Automatic measurement and display of resonance frequencies of seismic detection elements |
| 03/29/1977 | US4014403 Vibratory apparatus for use in seismic exploration |
| 03/15/1977 | US4011924 Device for producing mechanical waves |
| 03/15/1977 | US4011923 Mobile seismic energy source |
| 03/08/1977 | US4011540 Combined electret hydrophone and transmission line |
| 03/08/1977 | US4011539 Seismic detector arrays |
| 03/01/1977 | US4010462 Seismic playback system |
| 03/01/1977 | US4010443 Velocity pickups of the horizontal seismometer type |
| 03/01/1977 | US4010442 Status display for seismometer-group recorder operations |
| 02/22/1977 | US4008784 Seismic signal source |
| 02/22/1977 | US4008608 Method of predicting geothermal gradients in wells |
| 02/15/1977 | US4008459 Method of seismic surveying for stratigraphic traps |
| 02/15/1977 | US4007805 Cavity producing underwater sound source |
| 02/15/1977 | US4007804 Apparatus for removal of condensation from a marine gas exploder device |
| 02/15/1977 | US4007803 Expanding detonation chamber multi-shot gas exploder |
| 02/15/1977 | US4007643 Vibration sensing and responding device |
| 02/15/1977 | US4007633 Method of determining the physical characteristics of a sea floor |
| 02/08/1977 | US4006795 Means for seismic prospecting from bulk liquid carriers |
| 02/08/1977 | US4006794 Seismic pneumatic energy source with flap valves for attenuation of bubble pulse amplitude and reduction of period of bubble oscillation |
| 02/01/1977 | US4006445 Apparatus for and methods of seismic prospecting |
| 01/25/1977 | US4004651 Means for flexibly guiding the travel of an upwardly propelled weight |
| 01/18/1977 | US4004268 In-line stress/strain detector |
| 01/18/1977 | US4004267 Discrete frequency seismic exploration using non uniform frequency spectra |
| 01/18/1977 | US4004265 Self-propelled array system |
| 01/11/1977 | US4003018 Method and apparatus for testing a plurality of geophones |
| 01/11/1977 | US4003017 Continuous bit positioning system |
| 01/04/1977 | US4001774 Method of transmitting signals from a drill bit to the surface |
| 01/04/1977 | US4001771 Intruder detecting security system |
| 01/04/1977 | US4001770 Roll-a-long three-dimensional common depth point exploration |
| 01/04/1977 | US4001769 Data array network system |
| 01/04/1977 | US4001768 Data acquisition, transport and storage system |
| 01/04/1977 | US4001765 Pressure compensating sound transducer apparatus |
| 01/04/1977 | US4001745 Intrusion detection transducer |
| 12/28/1976 | US3999626 Apparatus and seismic method |
| 12/28/1976 | US3999422 Ultrasonic test method and apparatus for testing thick-walled workpieces |
| 12/14/1976 | US3997913 Electronic time compressor/expander utilizing magnetic storage |
| 12/14/1976 | US3997022 Device for generating acoustic waves by implosion |
| 12/14/1976 | US3997021 Pressurized gas discharging apparatus for use as a down-bore seismic impulse source |
| 12/07/1976 | US3996553 Seismic data telemetering system |
| 12/07/1976 | US3995713 High speed seismic gas exploder and method of operation |
| 11/30/1976 | US3995312 Color dot display |
| 11/30/1976 | US3995223 Seismic-acoustic detection device |
| 11/23/1976 | US3993974 Seismic method for determining the position of the bit on a drill stem in a deep borehole |
| 11/23/1976 | US3993859 Fluid-tight enclosure for geophone and cable |
| 11/16/1976 | US3992672 Multiple channel coincidence detector and controller for microseismic data analysis |
| 11/16/1976 | US3991607 High resolution pulse-echo ultrasonic method and apparatus |
| 11/09/1976 | US3990297 Process and device for the determination of the characteristics of the geological formations traversed by a borehole |
| 11/02/1976 | US3990039 Tuned ground motion detector utilizing principles of mechanical resonance |
| 11/02/1976 | US3990036 Multiplexing method and apparatus for telemetry of seismic data |
| 11/02/1976 | US3990034 Towable VLF sonar projector |
| 10/26/1976 | US3988712 Multiplex data communication system exploration surveys |
| 10/26/1976 | US3987537 Method and apparatus for hydrophone streamer manufacture |
| 10/19/1976 | US3987406 Seismic group recorder control system |
| 10/19/1976 | US3987405 Receiver of continuous structure for seismic prospecting |
| 10/12/1976 | US3986162 System for the multiplexed transmission of signals from seismic receivers |
| 10/12/1976 | US3986008 Data compositing and array control system |
| 10/12/1976 | US3985199 Apparatus for timing the firing of energy sources |
| 10/05/1976 | US3984805 Parallel operation of seismic vibrators without phase control |
| 10/05/1976 | US3984804 Acoustic and seismic troop movement detector |