Assignee
GEOSOURCE INC
US66 patents
Top patents by PatentIndex Score
US4184771AJan 22, 1980
Centrifugal mud mixer
GEOSOURCE INC63 citations96
US4388050AJun 14, 1983
Manifold unit and assembly and fluid end assembly
GEOSOURCE INC80 citations94
US4308959AJan 5, 1982
Roll sorting apparatus
GEOSOURCE INC64 citations94
US4743226AMay 10, 1988
High capacity continuous solid bowl centrifuge
GEOSOURCE INC41 citations92
US4345841AAug 24, 1982
Multi-stage centrifugal mixer
GEOSOURCE INC40 citations92
US4257053AMar 17, 1981
High-resolution laser plotter
GEOSOURCE INC64 citations92
US4323994AApr 6, 1982
Geophone spring
GEOSOURCE INC52 citations90
US3980181ASep 14, 1976
Color sorting apparatus
GEOSOURCE INC36 citations90
US4179920ADec 25, 1979
Corrosion coupon holder apparatus
GEOSOURCE INC32 citations88
US4685094AAug 4, 1987
Lateral compliance device for geophone springs
GEOSOURCE INC26 citations87
US4286621ASep 1, 1981
Dual acting check valve dampener
GEOSOURCE INC36 citations87
US4276620AJun 30, 1981
Method and apparatus for obtaining a composite field response _to a variable source array using weighting coefficients
GEOSOURCE INC58 citations87
US4623991ANov 18, 1986
Delta-shaped geophone spring
GEOSOURCE INC42 citations86
US4458344AJul 3, 1984
Tapered geophone spring
GEOSOURCE INC47 citations86
US4326863AApr 27, 1982
Centrifugal degasser
GEOSOURCE INC38 citations86
US4303100ADec 1, 1981
Kelly valve
GEOSOURCE INC34 citations86
US4680741AJul 14, 1987
Method and apparatus for seismic exploration using non-linear sweeps
GEOSOURCE INC26 citations85
US4241835ADec 30, 1980
Sorting apparatus
GEOSOURCE INC28 citations81
US4088227AMay 9, 1978
Multiplexed sorting apparatus with test circuitry
GEOSOURCE INC28 citations81
US4004267AJan 18, 1977
Discrete frequency seismic exploration using non uniform frequency spectra
GEOSOURCE INC35 citations81
US4264286AApr 28, 1981
Multiple fluid pump
GEOSOURCE INC30 citations80
US4490606ADec 25, 1984
Transducer apparatus utilizing fiber optics for data transmission
GEOSOURCE INC25 citations79
US4271968AJun 9, 1981
Ejector dwell controller for a sorting apparatus
GEOSOURCE INC22 citations79
US4479264AOct 23, 1984
Transducer for optical data transmission
GEOSOURCE INC26 citations78
US4134498AJan 16, 1979
Multiplexed sorting apparatus
GEOSOURCE INC21 citations77
US4838379AJun 13, 1989
Geophone implanting and positioning apparatus
GEOSOURCE INC19 citations76
US4207985AJun 17, 1980
Sorting apparatus
GEOSOURCE INC24 citations76
US4692912ASep 8, 1987
Automatic force control for a seismic vibrator
GEOSOURCE INC23 citations75
US4392591AJul 12, 1983
Apparatus for metering semi-flowable material
GEOSOURCE INC12 citations74
US4306629ADec 22, 1981
Pneumatic weighing device and method
GEOSOURCE INC24 citations74
US4357577ANov 2, 1982
Instantaneous floating point amplifier
GEOSOURCE INC8 citations73
US4260062AApr 7, 1981
Foreign object discriminator for sorting apparatus
GEOSOURCE INC18 citations73
US4239118ADec 16, 1980
Sorting apparatus having automatic nulling arrangement
GEOSOURCE INC9 citations73
US4158819AJun 19, 1979
Instantaneous floating point amplifier
GEOSOURCE INC8 citations73
US4104596AAug 1, 1978
Instantaneous floating point amplifier
GEOSOURCE INC13 citations73
US4394616AJul 19, 1983
Cable break locator
GEOSOURCE INC9 citations72
US4706231ANov 10, 1987
Reaction mass acceleration feedback device
GEOSOURCE INC10 citations70
US4366756AJan 4, 1983
Electronic tractor guidance system
GEOSOURCE INC12 citations70
US4281765AAug 4, 1981
Article-detect signal separating network
GEOSOURCE INC16 citations69
US4235342ANov 25, 1980
Sorting apparatus using programmable classifier
GEOSOURCE INC22 citations69
US4096949AJun 27, 1978
Apparatus for performing a three-way sort
GEOSOURCE INC16 citations69
US4081828AMar 28, 1978
Method for halftone reproduction of continuous tone images
GEOSOURCE INC19 citations69
US4151504AApr 24, 1979
Bidirectional seismic array and method of seismic exploration
GEOSOURCE INC5 citations68
US4333486AJun 8, 1982
Electronic valve controller
GEOSOURCE INC20 citations67
US4359797ANov 23, 1982
Plug and ball injector valve
GEOSOURCE INC12 citations66
US4268932AMay 26, 1981
Sphere launching apparatus
GEOSOURCE INC18 citations65
US4246652AJan 20, 1981
Seismic source signatured evaluation apparatus
GEOSOURCE INC14 citations65
US4360729ANov 23, 1982
Seismic cable connector with optical transceiver
GEOSOURCE INC16 citations64
US4505591AMar 19, 1985
Solids mixing well structure and method
GEOSOURCE INC4 citations62
US4512001AApr 16, 1985
Method and apparatus for seismic exploration using nonlinear sweeps
GEOSOURCE INC18 citations60
Showing the top 50 of 66 patents by PatentIndex Score.