Issued Patents 2011
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8035393 | Fiber optic system for electromagnetic surveying | Steven J. Maas | 2011-10-11 |
| 7974152 | Control system for marine vibrators and seismic acquisition system using such control system | — | 2011-07-05 |
| 7926614 | Particle motion sensor mounting for marine seismic sensor streamers | Andre Stenzel | 2011-04-19 |
| 7881158 | Seismic vibrator having multiple resonant frequencies in the seismic frequency band using multiple spring and mass arrangements to reduce required reactive mass | — | 2011-02-01 |