Geosource, Inc.
66Patents
0Active
66Granted
37Portfolio score
Filing activity: May 8, 1975 → Oct 23, 1987
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4388050A | Manifold unit and assembly and fluid end assembly | Emerging Cross-Sectional Technologies | 69 | Expired |
| US4257053A | High-resolution laser plotter | Electricity | 46 | Expired |
| US4308959A | Roll sorting apparatus | Emerging Cross-Sectional Technologies | 41 | Expired |
| US4458344A | Tapered geophone spring | Physics | 40 | Expired |
| US4184771A | Centrifugal mud mixer | Performing Operations; Transporting | 38 | Expired |
| US4276620A | Method and apparatus for obtaining a composite field response _to a variable source array using weighting coefficients | Physics | 38 | Expired |
| US4323994A | Geophone spring | Physics | 31 | Expired |
| US4623991A | Delta-shaped geophone spring | Physics | 27 | Expired |
| US4743226A | High capacity continuous solid bowl centrifuge | Performing Operations; Transporting | 27 | Expired |
| US4241835A | Sorting apparatus | Emerging Cross-Sectional Technologies | 24 | Expired |
| US3980181A | Color sorting apparatus | Performing Operations; Transporting | 24 | Expired |
| US4286621A | Dual acting check valve dampener | Emerging Cross-Sectional Technologies | 22 | Expired |
| US4004267A | Discrete frequency seismic exploration using non uniform frequency spectra | Physics | 21 | Expired |
| US4179920A | Corrosion coupon holder apparatus | Physics | 20 | Expired |
| US4490606A | Transducer apparatus utilizing fiber optics for data transmission | Physics | 20 | Expired |
| US4326863A | Centrifugal degasser | Performing Operations; Transporting | 18 | Expired |
| US4134498A | Multiplexed sorting apparatus | Performing Operations; Transporting | 17 | Expired |
| US4345841A | Multi-stage centrifugal mixer | Fixed Constructions | 17 | Expired |
| US4088227A | Multiplexed sorting apparatus with test circuitry | Performing Operations; Transporting | 17 | Expired |
| US4081828A | Method for halftone reproduction of continuous tone images | Electricity | 17 | Expired |
| US4303100A | Kelly valve | Fixed Constructions | 16 | Expired |
| US4479264A | Transducer for optical data transmission | Physics | 15 | Expired |
| US4271968A | Ejector dwell controller for a sorting apparatus | Performing Operations; Transporting | 15 | Expired |
| US4680741A | Method and apparatus for seismic exploration using non-linear sweeps | Physics | 15 | Expired |
| US4685094A | Lateral compliance device for geophone springs | Physics | 15 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.