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.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →