| Patents for G01V 1 - Seismology; Seismic or acoustic prospecting or detecting (27,288) |
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| 05/11/1994 | EP0596027A1 A device for handling of cables on seismic vessels. |
| 05/11/1994 | DE4237721A1 Identifying traffic through monitored zone - analysing geophone signals corresp. to sound waves triggered by traffic and propagated underground |
| 05/10/1994 | US5311485 Fiber optic hydrophone |
| 05/10/1994 | US5311484 Method and apparatus for petroleum and gas exploration |
| 05/10/1994 | CA1329429C Marine seismic source frame |
| 05/04/1994 | EP0201576B2 Method for detecting the position of the band edge of a material sheet |
| 05/04/1994 | CN1086318A Gas-oil detecting method for seism |
| 05/04/1994 | CN1086317A Seismic transmission method and system utilizing concentration units |
| 05/03/1994 | USH1308 Narrow band acoustic source |
| 05/03/1994 | USH1307 Method for continuity logging |
| 05/03/1994 | US5309406 Method of processing seismic data |
| 05/03/1994 | US5309405 Methods of employing vibrational energy in a borehole |
| 05/03/1994 | US5309404 Receiver apparatus for use in logging while drilling |
| 05/03/1994 | US5309360 Method for attenuating undesirable data, such as multiples, using constrained cross-equalization |
| 04/28/1994 | WO1994009387A1 Spatially filtering formation and channel echo signals |
| 04/28/1994 | WO1994009385A1 Seismic source system utilizing a small diameter hose bundle |
| 04/28/1994 | WO1994009384A1 Method of monitoring deformation of geological structures and predicting geodynamic events |
| 04/28/1994 | WO1994004944A3 Method and apparatus for generating high energy acoustic pulses |
| 04/27/1994 | EP0594477A1 Seismic transmission method and system using concentration units |
| 04/27/1994 | EP0594098A1 Method for the location of a speaker and the acquisition of a voice message, and related system |
| 04/26/1994 | US5307273 Apparatus and method for recognizing carpets and stairs by cleaning robot |
| 04/26/1994 | US5307268 Method for using P-S converted waves as a subsalt imaging tool |
| 04/26/1994 | US5306980 Torsional force transducer and method of operation |
| 04/21/1994 | DE4235018A1 Scaring water life by controlled detonations - e.g. to prevent fish entry into water intake of industrial plant |
| 04/20/1994 | EP0593416A2 Seismic cable |
| 04/19/1994 | US5305287 High-frequency borehole seismic source |
| 04/19/1994 | US5305285 Method and apparatus for subsoil exploration including emission of a series of seismic impulses |
| 04/19/1994 | CA1328685C Nondestructive downhole seismic vibrator source and process of utilizing the vibrator to obtain information about geologic formations |
| 04/14/1994 | WO1994008256A1 A method for displaying a volume of data |
| 04/12/1994 | US5303203 Method for reducing noise effects in acoustic signals transmitted along a pipe structure |
| 04/12/1994 | US5302782 For profiling a subterranean formation by detecting seismic signals |
| 04/12/1994 | US5302781 Sidewall contact temperature tool including knife edge sensors for cutting through mudcake and measuring formation temperature |
| 04/06/1994 | EP0591037A1 Method for obtaining and treating data for monitoring the movement of fluids in a reservoir |
| 04/06/1994 | EP0590478A2 Inclination/vibration detecting switch |
| 04/05/1994 | US5301169 Seismic source |
| 04/05/1994 | US5300929 Method for delineating an anomalous geologic structure |
| 04/05/1994 | US5300875 Passive (non-contact) recharging of secondary battery cell(s) powering RFID transponder tags |
| 03/31/1994 | WO1994007157A1 Method and apparatus for passively detecting the depth and location of a spatial or temporal anomaly |
| 03/31/1994 | WO1994007114A1 System for detecting wood-destroying insect infestations in wood |
| 03/31/1994 | CA2143742A1 System for detecting wood-destroying insect infestations in wood |
| 03/29/1994 | US5299172 Method for adjusting crystal hydrophone output |
| 03/23/1994 | EP0588401A2 Method of determining travel time in drillstring |
| 03/23/1994 | CN2159572Y Geophone for earthquake |
| 03/22/1994 | US5297108 Seismic velocity estimation method |
| 03/17/1994 | WO1994006033A1 Seismic energy source |
| 03/16/1994 | EP0587405A2 Acoustic well logging method |
| 03/16/1994 | EP0586828A2 Hydrophone |
| 03/16/1994 | EP0509062B1 A method for acquisition of seismic data at sea |
| 03/16/1994 | CN1083931A Earthquake siren for household |
| 03/11/1994 | CA2105885A1 Directional acoustic well logging method for detecting mechanical anisotropy |
| 03/08/1994 | US5293555 System and method for locating material fatigue using multiple sensors |
| 03/08/1994 | US5293352 Method for removing noise due to near surface scatterers |
| 03/08/1994 | US5293273 Voice actuated recording device having recovery of initial speech data after pause intervals |
| 03/03/1994 | WO1994004945A1 Seismic airgun arrangement |
| 03/03/1994 | WO1994004944A2 Method and apparatus for generating high energy acoustic pulses |
| 03/03/1994 | DE4239224C1 Verfahren und Vorrichtung zur Erfassung von strukturellen Veränderungen in festen Körpern Method and device for the detection of structural changes in solid bodies |
| 03/03/1994 | CA2142971A1 Method and apparatus for generating high energy acoustic pulses |
| 03/02/1994 | EP0434702B1 A geophone system |
| 03/02/1994 | EP0393070B1 Bandwidth enhancing seismic acquisition system and method |
| 03/02/1994 | CN1083224A Gas explosion seismic source and system |
| 02/24/1994 | DE4324819A1 Security cabin enclosure for detection of persons carrying arms |
| 02/22/1994 | US5289434 Retroreflector apparatus for remote seismic sensing |
| 02/22/1994 | US5289433 Acoustic multi-mode wide-band logging device |
| 02/17/1994 | DE4226543A1 Acoustic alarm system for motor vehicles using echo signals - generated by applying signal to internal passenger compartment with each subjected to spectral analysis and comparison with reference |
| 02/15/1994 | US5287328 Method for removing random source and receiver noise from seismic traces |
| 02/15/1994 | US5285688 System for detecting wood-destroying insect infestations in wood |
| 02/15/1994 | CA1327072C Method for attenuating multiple reflection events in seismic data |
| 02/15/1994 | CA1327071C Method for enhancing and evaluating seismic data |
| 02/15/1994 | CA1327070C Method for estimating formation lithology |
| 02/12/1994 | CA2103598A1 Hydrophone |
| 02/09/1994 | EP0581890A1 Seismic cable deployment apparatus |
| 02/09/1994 | CN2155578Y Anti-shock pocket alarm |
| 02/09/1994 | CN2155577Y Plate-type capacitance sensor for seismometers |
| 02/08/1994 | US5285424 Wide bandwidth fiber optic hydrophone |
| 02/08/1994 | US5285423 Method of broadline seismic data acquisition |
| 02/08/1994 | US5285422 Method for compensating 3D DMO for the effects of an inhomogeneous earth |
| 02/08/1994 | US5285023 Downhole hydraulic rotary seismic source |
| 02/08/1994 | US5284323 Apparatus for marine seismic cable retrieval and deployment |
| 02/03/1994 | WO1994002952A1 Method and apparatus for making electrical connection with a movable member |
| 02/03/1994 | DE4224744A1 Interferometer for detecting electric field generated vibration of metallic particles in gas insulated HV switchgear - feeds laser beam into sensing and reference optical fibre branches of Mach=Zehnder interferometer, has two photodetectors at output of combiner-divider and control loop for zeroing difference between detector voltages |
| 02/02/1994 | EP0581441A2 Swing plate latch mechanism |
| 02/01/1994 | US5283766 Method and apparatus for simulation of propulsion noises of self-propelled ships |
| 01/27/1994 | DE4223692A1 Identification of foreign matter in flow of raw cotton - uses beating surface for oscillations to be registered and their signals evaluated |
| 01/26/1994 | EP0458947B1 Method and device for acquiring seismic data in a weill in two opposite directions |
| 01/25/1994 | US5281773 Controlled phase marine source subarray |
| 01/25/1994 | CA1326533C Method for obtaining a representative model of an heterogeneous medium, especially of the subsoil |
| 01/20/1994 | DE4323817A1 Detecting vibration characteristics of complete motor vehicle - vibrating wheels simultaneously and with all frequencies phase-coupled using rectangular pulse from vertical hydraulically-driven piston, and performing FFT analysis of spectrum received at driver seat |
| 01/19/1994 | EP0408667B1 Acoustic data transmission through a drill string |
| 01/19/1994 | CN2153808Y Multicore water-proof detector series |
| 01/11/1994 | US5278805 For determining a characteristic of a formation |
| 01/11/1994 | US5278804 Device for weighting of streamer cables |
| 01/11/1994 | US5278774 Alarm for transient underwater events |
| 01/11/1994 | US5278540 Electromechanical earthquake alarm |
| 01/11/1994 | US5278359 Simple multishot downhole explosive tool |
| 01/07/1994 | CA2099798A1 Vibrator, attached to a vehicle, to produce seismic vibrations |
| 01/05/1994 | EP0577364A2 An apparatus for seismic surveying and a method of synchronizing systems for seismic surveying |
| 01/05/1994 | EP0426761B1 Acoustic field transducers |
| 01/05/1994 | DE4221327A1 Depth controller for underwater seismic measurement cable - has control devices at intervals with piston-cylinder units and compressed air containers |
| 01/05/1994 | DE4220429A1 Detection and=or classification of noise from propeller-driven vessel - filtering, band-limiting, envelope demodulating and using FFT and fuzzy logic to evaluate fundamental frequencies of spectral lines or harmonics by associating with correspondence functions to produce reliability values. |
| 01/04/1994 | US5276656 Method for fluid identification and evaluation within wellbores using ultrasonic scanning |