Assignee
GEOSOURCE INC
66 granted patents·1,424 citations·filing 1975–1987
Top patents by PatentIndex Score
66 records- 0193US4388050AManifold unit and assembly and fluid end assemblyGEOSOURCE INC·Filed 1981·Granted Jun 14, 1983·80 cites·18 claims
- 0292US4308959ARoll sorting apparatusGEOSOURCE INC·Filed 1979·Granted Jan 5, 1982·64 cites·86 claims
- 0388US4257053AHigh-resolution laser plotterGEOSOURCE INC·Filed 1979·Granted Mar 17, 1981·64 cites·37 claims
- 0487US4184771ACentrifugal mud mixerGEOSOURCE INC·Filed 1978·Granted Jan 22, 1980·63 cites·19 claims
- 0586US4743226AHigh capacity continuous solid bowl centrifugeGEOSOURCE INC·Filed 1983·Granted May 10, 1988·41 cites·12 claims
- 0686US4276620AMethod and apparatus for obtaining a composite field response _to a variable source array using weighting coefficientsGEOSOURCE INC·Filed 1978·Granted Jun 30, 1981·58 cites·24 claims
- 0783US4323994AGeophone springGEOSOURCE INC·Filed 1980·Granted Apr 6, 1982·52 cites·4 claims
- 0883US3980181AColor sorting apparatusGEOSOURCE INC·Filed 1975·Granted Sep 14, 1976·36 cites·11 claims
- 0981US4458344ATapered geophone springGEOSOURCE INC·Filed 1983·Granted Jul 3, 1984·47 cites·8 claims
- 1080US4345841AMulti-stage centrifugal mixerGEOSOURCE INC·Filed 1980·Granted Aug 24, 1982·40 cites·24 claims
- 1179US4179920ACorrosion coupon holder apparatusGEOSOURCE INC·Filed 1978·Granted Dec 25, 1979·32 cites·10 claims
- 1278US4623991ADelta-shaped geophone springGEOSOURCE INC·Filed 1984·Granted Nov 18, 1986·42 cites·6 claims
- 1378US4088227AMultiplexed sorting apparatus with test circuitryGEOSOURCE INC·Filed 1976·Granted May 9, 1978·28 cites·6 claims
- 1477US4303100AKelly valveGEOSOURCE INC·Filed 1978·Granted Dec 1, 1981·34 cites·3 claims
- 1577US4004267ADiscrete frequency seismic exploration using non uniform frequency spectraGEOSOURCE INC·Filed 1975·Granted Jan 18, 1977·35 cites·12 claims
- 1676US4286621ADual acting check valve dampenerGEOSOURCE INC·Filed 1979·Granted Sep 1, 1981·36 cites·12 claims
- 1775US4241835ASorting apparatusGEOSOURCE INC·Filed 1976·Granted Dec 30, 1980·28 cites·12 claims
- 1874US4479264ATransducer for optical data transmissionGEOSOURCE INC·Filed 1982·Granted Oct 23, 1984·26 cites·10 claims
- 1972US4207985ASorting apparatusGEOSOURCE INC·Filed 1978·Granted Jun 17, 1980·24 cites·1 claims
- 2070US4264286AMultiple fluid pumpGEOSOURCE INC·Filed 1977·Granted Apr 28, 1981·30 cites·11 claims
- 2170US4134498AMultiplexed sorting apparatusGEOSOURCE INC·Filed 1976·Granted Jan 16, 1979·21 cites·25 claims
- 2269US4271968AEjector dwell controller for a sorting apparatusGEOSOURCE INC·Filed 1978·Granted Jun 9, 1981·22 cites·14 claims
- 2368US4490606ATransducer apparatus utilizing fiber optics for data transmissionGEOSOURCE INC·Filed 1982·Granted Dec 25, 1984·25 cites·10 claims
- 2467US4685094ALateral compliance device for geophone springsGEOSOURCE INC·Filed 1984·Granted Aug 4, 1987·26 cites·13 claims
- 2567US4081828AMethod for halftone reproduction of continuous tone imagesGEOSOURCE INC·Filed 1976·Granted Mar 28, 1978·19 cites·14 claims
- 2666US4260062AForeign object discriminator for sorting apparatusGEOSOURCE INC·Filed 1977·Granted Apr 7, 1981·18 cites·6 claims
- 2765US4326863ACentrifugal degasserGEOSOURCE INC·Filed 1980·Granted Apr 27, 1982·38 cites·13 claims
- 2865US4235342ASorting apparatus using programmable classifierGEOSOURCE INC·Filed 1978·Granted Nov 25, 1980·22 cites·13 claims
- 2964US4692912AAutomatic force control for a seismic vibratorGEOSOURCE INC·Filed 1984·Granted Sep 8, 1987·23 cites·13 claims
- 3063US4306629APneumatic weighing device and methodGEOSOURCE INC·Filed 1980·Granted Dec 22, 1981·24 cites·13 claims
- 3159US4333486AElectronic valve controllerGEOSOURCE INC·Filed 1980·Granted Jun 8, 1982·20 cites·22 claims
- 3259US4281765AArticle-detect signal separating networkGEOSOURCE INC·Filed 1979·Granted Aug 4, 1981·16 cites·15 claims
- 3359US4268932ASphere launching apparatusGEOSOURCE INC·Filed 1979·Granted May 26, 1981·18 cites·26 claims
- 3459US4239118ASorting apparatus having automatic nulling arrangementGEOSOURCE INC·Filed 1978·Granted Dec 16, 1980·9 cites·13 claims
- 3559US4096949AApparatus for performing a three-way sortGEOSOURCE INC·Filed 1976·Granted Jun 27, 1978·16 cites·16 claims
- 3658US4680741AMethod and apparatus for seismic exploration using non-linear sweepsGEOSOURCE INC·Filed 1986·Granted Jul 14, 1987·26 cites·2 claims
- 3757US4838379AGeophone implanting and positioning apparatusGEOSOURCE INC·Filed 1987·Granted Jun 13, 1989·19 cites·13 claims
- 3852US4104596AInstantaneous floating point amplifierGEOSOURCE INC·Filed 1976·Granted Aug 1, 1978·13 cites·5 claims
- 3952US4072051AParameter compensating system for a flowmeterGEOSOURCE INC·Filed 1976·Granted Feb 7, 1978·17 cites·35 claims
- 4048US4246652ASeismic source signatured evaluation apparatusGEOSOURCE INC·Filed 1978·Granted Jan 20, 1981·14 cites·18 claims
- 4147US4360729ASeismic cable connector with optical transceiverGEOSOURCE INC·Filed 1980·Granted Nov 23, 1982·16 cites·9 claims
- 4246US4512001AMethod and apparatus for seismic exploration using nonlinear sweepsGEOSOURCE INC·Filed 1984·Granted Apr 16, 1985·18 cites·2 claims
- 4346US4359797APlug and ball injector valveGEOSOURCE INC·Filed 1981·Granted Nov 23, 1982·12 cites·18 claims
- 4445US4366756AElectronic tractor guidance systemGEOSOURCE INC·Filed 1980·Granted Jan 4, 1983·12 cites·15 claims
- 4543US4158819AInstantaneous floating point amplifierGEOSOURCE INC·Filed 1978·Granted Jun 19, 1979·8 cites·8 claims
- 4642US4392591AApparatus for metering semi-flowable materialGEOSOURCE INC·Filed 1980·Granted Jul 12, 1983·12 cites·60 claims
- 4739US4394616ACable break locatorGEOSOURCE INC·Filed 1980·Granted Jul 19, 1983·9 cites·8 claims
- 4839US4357577AInstantaneous floating point amplifierGEOSOURCE INC·Filed 1981·Granted Nov 2, 1982·8 cites·1 claims
- 4938US4706231AReaction mass acceleration feedback deviceGEOSOURCE INC·Filed 1985·Granted Nov 10, 1987·10 cites·14 claims
- 5037US4295369ADual magnetic drive for gear metersGEOSOURCE INC·Filed 1980·Granted Oct 20, 1981·12 cites·23 claims
Showing the top 50 of 66 patent records by PatentIndex Score.
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