Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 9310499 | Low frequency seismic acquisition using a counter rotating eccentric mass vibrator | Steven E. Heiney, Jelena Tomic, Paul Ibanez, Conor N. Byrne | 2016-04-12 | $208,986,000 |
| 8833509 | Two component source seismic acquisition and source de-ghosting | Richard E. Duren | 2014-09-16 | $108,792,000 |
| 8681586 | Free charge carrier diffusion response transducer for sensing gradients | Gary A. Hallock | 2014-03-25 | $309,177,000 |
| 7894299 | Converted mode seismic survey design | — | 2011-02-22 | $180,012,000 |
| 7377357 | Marine seismic acquisition method and apparatus | Richard E. Duren | 2008-05-27 | |
| 7295494 | Diamagnetic current response transducer for sensing pressure gradient in a fluid medium | — | 2007-11-13 | $340,525,000 |