| Patents for G01V 1 - Seismology; Seismic or acoustic prospecting or detecting (27,288) |
|---|
| 10/05/1976 | US3984803 Seismic intrusion detector system |
| 10/05/1976 | US3984802 Feature recognition system |
| 10/05/1976 | US3983957 Method and apparatus for creating seismic waves in the earth |
| 09/28/1976 | US3982606 Acoustical logging apparatus having signal delay means |
| 09/21/1976 | US3982222 Deep hydrophone string |
| 09/21/1976 | US3981379 Device for emitting mechanical waves |
| 09/14/1976 | USRE28963 Determination of residual oil in a formation |
| 09/14/1976 | US3980986 Oil well survey tool |
| 09/07/1976 | US3979724 Seismic method for determining the position of the bottom of a long pipe in a deep borehole |
| 09/07/1976 | US3979715 Method and system for achieving vibrator phase lock |
| 09/07/1976 | US3979714 Two-receiver, variable-density logging system |
| 09/07/1976 | US3979713 Method of marine reflection-type seismic exploration |
| 09/07/1976 | US3979140 Seismic method for logging position of a deep borehole in the earth |
| 09/07/1976 | US3978940 Acoustic source |
| 09/07/1976 | US3978939 Acoustic well logging methods and apparatus |
| 08/31/1976 | US3978446 Electret cable hydrophone array |
| 08/24/1976 | US3976161 Power auger seismic source |
| 08/17/1976 | US3975705 Color display of geophysical and other data |
| 08/17/1976 | US3975636 Printer for color display of geophysical and other data |
| 08/10/1976 | US3974504 Peak accelerograph |
| 08/10/1976 | US3974476 Highly-directional acoustic source for use in borehole surveys |
| 08/03/1976 | US3973236 Horizontal hydrophone array |
| 07/27/1976 | US3972020 Transformerless input for seismic data acquisition system |
| 07/27/1976 | US3972019 Time synchronization |
| 07/13/1976 | US3968855 Seismic marine gun assembly |
| 07/06/1976 | US3968471 Method for suppressing side lobes in correlation processes |
| 07/06/1976 | US3968382 Protective circuit for field effect transistor amplifier |
| 06/29/1976 | US3967259 Security system with plural sensors connected in parallel across the transmission line |
| 06/29/1976 | US3967235 Acoustic velocity logging system |
| 06/29/1976 | US3965751 Integrated magneto-seismic sensor |
| 06/29/1976 | US3965725 Sounding vibrometer |
| 06/15/1976 | US3963093 Geophone noise reduction method |
| 06/08/1976 | US3962674 Acoustic logging using ultrasonic frequencies |
| 06/01/1976 | US3961307 Exploration of the boundaries of an underground coal seam |
| 06/01/1976 | US3961306 Method of forming color graphic displays from input data |
| 06/01/1976 | US3961303 Depth controllers with controllable negative and uncontrollable positive lift-producing means |
| 06/01/1976 | US3960007 Ultrasonic standing wave sensor |
| 05/25/1976 | US3958661 Method and apparatus for generating seismic waves |
| 05/18/1976 | US3958216 Two-wire multiplex seismic recording system |
| 05/18/1976 | US3958213 Adaptive gain control and method for signal processor |
| 05/11/1976 | US3956730 Seismic exploration |
| 05/11/1976 | US3956575 Coupler for joining three cables |
| 05/04/1976 | US3955050 System for audibly recognizing an aurally unclassifiable signal |
| 05/04/1976 | US3954154 Towed land cable |
| 04/27/1976 | US3953829 Partially filled fluid damped geophone |
| 04/27/1976 | US3953827 Method of determining the angular position of a towed marine seismic cable and apparatus for carrying out said method |
| 04/27/1976 | US3953826 Super long seismic source |
| 04/27/1976 | US3953822 Wave-energy imaging technique |
| 04/27/1976 | US3952833 Method and apparatus for generating pressure waves in water by implosion |
| 04/27/1976 | US3952832 Pulsed high pressure liquid propellant combustion powered seismic sources |
| 04/20/1976 | US3952283 Group recorder alarm |
| 04/20/1976 | US3952282 Two-receiver, variable-density logging system |
| 04/20/1976 | US3952281 Method of marine reflection-type seismic exploration |
| 04/20/1976 | US3951231 Seismic exploration |
| 04/20/1976 | US3951229 Method and apparatus for imparting a seismic pulse to the earth |
| 04/13/1976 | US3949831 Device for generating acoustic waves in a liquid medium |
| 04/06/1976 | US3949353 Underground mine surveillance system |
| 04/06/1976 | US3949352 Velocity logger for logging intervals |
| 03/30/1976 | US3947806 Automatic gain control for seismometer recorders |
| 03/23/1976 | US3946377 Method and apparatus to monitor conduction of sonic waves in an acoustically conductive medium |
| 03/23/1976 | US3946357 Method and apparatus for seismic geophysical exploration |
| 03/23/1976 | US3946356 Synthetic display of seismic reflection strength |
| 03/16/1976 | US3944942 Automatic gain control circuit and method |
| 03/16/1976 | US3944019 Deep water sound imploder |
| 03/09/1976 | US3943484 Method of attenuating unwanted seismic reflections in underwater seismic exploration |
| 03/09/1976 | US3943483 Depth controllers for seismic streamer cables with dimension variable lift-producing means |
| 03/09/1976 | US3942606 Method of land seismic exploration using flexible tubes |
| 02/24/1976 | US3940734 Separate surface, common depth point stack |
| 02/24/1976 | US3940733 Seismic surveillance system |
| 02/24/1976 | US3939941 Fuse cord |
| 02/24/1976 | US3939771 Seismic explosive charge loader and anchor |
| 02/17/1976 | US3939469 Detection streamer |
| 02/17/1976 | US3939468 Differential charge amplifier for marine seismic applications |
| 02/17/1976 | US3939466 Spatially distributed transducer for towed line array applications |
| 02/17/1976 | US3939461 Correlation system using matched signals |
| 02/10/1976 | US3938073 Data array network system |
| 02/10/1976 | US3938072 Resonance earth structure logging |
| 02/10/1976 | US3937296 Firing device, explosive charge, method, and system, for seismic exploration |
| 02/03/1976 | US3936758 Phase difference detector |
| 01/27/1976 | US3934673 Vibrator systems for generating elastic waves in the earth |
| 01/27/1976 | US3934672 Method and apparatus for sensing when a seismic gas exploder is in contact with the earth |
| 01/20/1976 | US3934220 Method of seismic exploration for penetrating diffraction barriers and/or surveying beneath obstacles |
| 01/20/1976 | US3934218 Apparatus and method for seismic exploration |
| 01/13/1976 | US3932835 Towable VLF sonar projector |
| 01/13/1976 | US3932834 Seismic transducer assembly for marshy terrains |
| 01/06/1976 | US3931609 Three-dimensional seismic display |
| 01/06/1976 | US3931608 Cable depth control apparatus |
| 01/06/1976 | US3931453 Geophone case with improved cable anchor |