Assignee
HYDROACOUSTIC INC
55 granted patents·1 pending application·1,390 citations·filing 1974–2024
Top patents by PatentIndex Score
56 records- 0199US6606958B1Towed acoustic source array system for marine applicationsHYDROACOUSTIC INC·Filed 2000·Granted Aug 19, 2003·111 cites·9 claims
- 0297US4147228AMethods and apparatus for the generation and transmission of seismic signalsHYDROACOUSTIC INC·Filed 1976·Granted Apr 3, 1979·88 cites·37 claims
- 0396US4294513AOptical sensor systemHYDROACOUSTIC INC·Filed 1979·Granted Oct 13, 1981·93 cites·29 claims
- 0492US4628493ASensor system with time division multiplexing telemetryHYDROACOUSTIC INC·Filed 1982·Granted Dec 9, 1986·71 cites·56 claims
- 0591US11906336B2Pumpjack production well including venturi fluid sensor and capacitive flow sensorHYDROACOUSTIC INC·Filed 2022·Granted Feb 20, 2024·2 cites·18 claims
- 0690US11346186B2Oil recovery tool and systemHYDROACOUSTIC INC·Filed 2019·Granted May 31, 2022·6 cites·12 claims
- 0790US4601927AWelding of plastic partsHYDROACOUSTIC INC·Filed 1984·Granted Jul 22, 1986·70 cites·33 claims
- 0890US3946831AAcoustic transmitterHYDROACOUSTIC INC·Filed 1974·Granted Mar 30, 1976·39 cites·13 claims
- 0986US3978940AAcoustic sourceHYDROACOUSTIC INC·Filed 1975·Granted Sep 7, 1976·39 cites·20 claims
- 1084US4509170ATime division multiplex transmission of submultiplex sequences of signals from sections of a chain of data acquisition unitsHYDROACOUSTIC INC·Filed 1982·Granted Apr 2, 1985·45 cites·15 claims
- 1184US4188610AMethod of and apparatus for the generation and transmission of signals for echolocation and other signalling purposes, such as in geophysical explorationHYDROACOUSTIC INC·Filed 1977·Granted Feb 12, 1980·36 cites·87 claims
- 1283US4187917APile driverHYDROACOUSTIC INC·Filed 1977·Granted Feb 12, 1980·34 cites·14 claims
- 1382US4799201AMethods and apparatus for reducing correlation sidelobe interference in seismic profiling systemsHYDROACOUSTIC INC·Filed 1983·Granted Jan 17, 1989·37 cites·28 claims
- 1479US5160393AFriction welder having an electromagnetic drive which produces orbital motionHYDROACOUSTIC INC·Filed 1990·Granted Nov 3, 1992·33 cites·28 claims
- 1578US4313192AOptical transducer array systemHYDROACOUSTIC INC·Filed 1979·Granted Jan 26, 1982·23 cites·15 claims
- 1678US4143585AImpact toolHYDROACOUSTIC INC·Filed 1977·Granted Mar 13, 1979·29 cites·21 claims
- 1777US4131178ASeismic source for use under waterHYDROACOUSTIC INC·Filed 1977·Granted Dec 26, 1978·29 cites·14 claims
- 1876US10704938B2Pumpjack production well including fluid sensor having 2-dimensional venturi and capacitive flow sensorHYDROACOUSTIC INC·Filed 2019·Granted Jul 7, 2020·2 cites·14 claims
- 1976US4005637AHydroacoustic apparatus and valving mechanisms for use thereinHYDROACOUSTIC INC·Filed 1974·Granted Feb 1, 1977·26 cites·12 claims
- 2075US5841733AAcoustic source array system for underwater operationHYDROACOUSTIC INC·Filed 1997·Granted Nov 24, 1998·62 cites·29 claims
- 2172US4381137AOptical fiber mode separation systemsHYDROACOUSTIC INC·Filed 1981·Granted Apr 26, 1983·34 cites·23 claims
- 2269US12247858B2Pumpjack production well including a cylindrical venturi fluid sensor and capacitive flow sensorHYDROACOUSTIC INC·Filed 2024·Granted Mar 11, 2025·0 cites·20 claims
- 2369US4086122AHydroacoustic welderHYDROACOUSTIC INC·Filed 1976·Granted Apr 25, 1978·27 cites·19 claims
- 2468US6378951B1Vibratory pavement breakerHYDROACOUSTIC INC·Filed 1998·Granted Apr 30, 2002·31 cites·20 claims
- 2568US5378951AFriction welder which produces orbital motion and drive thereforHYDROACOUSTIC INC·Filed 1993·Granted Jan 3, 1995·22 cites·14 claims
- 2668US5277744AFriction welder having a drive which produces orbital motionHYDROACOUSTIC INC·Filed 1992·Granted Jan 11, 1994·21 cites·3 claims
- 2766US4204278AMethods and apparatus for the generation and transmission of signals for echo location and other signalling purposes, as in geophysical explorationHYDROACOUSTIC INC·Filed 1978·Granted May 20, 1980·19 cites·32 claims
- 2866US3991655AHydroacoustic apparatus and valving mechanisms for use thereinHYDROACOUSTIC INC·Filed 1974·Granted Nov 16, 1976·19 cites·26 claims
- 2965US4569412ASeismic sourceHYDROACOUSTIC INC·Filed 1982·Granted Feb 11, 1986·31 cites·8 claims
- 3064US4348943AHydraulic press apparatusHYDROACOUSTIC INC·Filed 1980·Granted Sep 14, 1982·13 cites·21 claims
- 3158US4753316ASeismic sourceHYDROACOUSTIC INC·Filed 1986·Granted Jun 28, 1988·21 cites·28 claims
- 3258US4166507APercussive drilling apparatusHYDROACOUSTIC INC·Filed 1978·Granted Sep 4, 1979·15 cites·9 claims
- 3358US4077304AImpact toolsHYDROACOUSTIC INC·Filed 1976·Granted Mar 7, 1978·13 cites·39 claims
- 3457US5995452ASystem for generating and transmitting acoustic signals underwaterHYDROACOUSTIC INC·Filed 1996·Granted Nov 30, 1999·45 cites·11 claims
- 3555US3969984AHydroacoustic apparatus and valving mechanisms for use thereinHYDROACOUSTIC INC·Filed 1974·Granted Jul 20, 1976·11 cites·26 claims
- 3654US6185156B1Underwater acoustic impulse sourceHYDROACOUSTIC INC·Filed 1999·Granted Feb 6, 2001·25 cites·13 claims
- 3754US4013319ATunneling machine with massive guide for impact toolsHYDROACOUSTIC INC·Filed 1975·Granted Mar 22, 1977·10 cites·32 claims
- 3853US5212489AEcho ranging system for detecting velocity of targets using composite doppler invariant transmissionsHYDROACOUSTIC INC·Filed 1992·Granted May 18, 1993·22 cites·46 claims
- 3953US4207962AMethods and apparatus for use in generating and transmitting acoustic signalsHYDROACOUSTIC INC·Filed 1978·Granted Jun 17, 1980·13 cites·31 claims
- 4053US4153135AApparatus for the generation of acoustic signals in marine environmentsHYDROACOUSTIC INC·Filed 1977·Granted May 8, 1979·14 cites·41 claims
- 4151US5212490AEcho ranging system for detecting velocity and range of targets using composite doppler invariant-like transmissions with suppression of false targetsHYDROACOUSTIC INC·Filed 1992·Granted May 18, 1993·21 cites·22 claims
- 4250US4601768AMethod and apparatus for treating plastic welds to relieve stresses thereinHYDROACOUSTIC INC·Filed 1984·Granted Jul 22, 1986·14 cites·53 claims
- 4349US4155287AHydraulically operated impact devicesHYDROACOUSTIC INC·Filed 1977·Granted May 22, 1979·10 cites·7 claims
- 4448US6771561B2Sonar system especially for shallow water application such as in littoral environmentsHYDROACOUSTIC INC·Filed 2001·Granted Aug 3, 2004·8 cites·11 claims
- 4546US12173587B2Oil recovery tool and systemHYDROACOUSTIC INC·Filed 2022·Granted Dec 24, 2024·0 cites·10 claims
- 4644US11821293B2Oil recovery tool and systemHYDROACOUSTIC INC·Filed 2021·Granted Nov 21, 2023·0 cites·20 claims
- 4743US4758997AMethod and apparatus for the generation and transmission of signals for echo location and other signaling purposes, particularly in geophysical explorationHYDROACOUSTIC INC·Filed 1986·Granted Jul 19, 1988·10 cites·18 claims
- 4843US4632214ASeismic source for use underwaterHYDROACOUSTIC INC·Filed 1980·Granted Dec 30, 1986·10 cites·14 claims
- 4940US6870795B2Acoustic source array system module for underwater operation which can be installed on a motorized boatHYDROACOUSTIC INC·Filed 2002·Granted Mar 22, 2005·4 cites·21 claims
- 5040US4729066AMethod and apparatus for the generation and transmission of signals for echo location and other signaling purposes, particularly in geophysical explorationHYDROACOUSTIC INC·Filed 1984·Granted Mar 1, 1988·9 cites·22 claims
Showing the top 50 of 56 patent records by PatentIndex Score.
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