Issued Patents All Time
Showing 26–50 of 55 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9618637 | Low frequency marine acoustic vibrator | — | 2017-04-11 |
| 9507037 | Air-spring compensation in a piston-type marine vibrator | Jonathan David Snodgrass, Bo Carl Fredrik Löfgren, Karl-Henrik Ryttersson | 2016-11-29 |
| 9459363 | Method and system of performing geophysical surveys with autonomous underwater vehicles | — | 2016-10-04 |
| 9360574 | Piston-type marine vibrators comprising a compliance chamber | Julie Slaughter Zrostlik, Todd Allan Reinders | 2016-06-07 |
| 9341725 | Piston integrated variable mass load | — | 2016-05-17 |
| 9322945 | System and method for seismic surveying using distributed sources | — | 2016-04-26 |
| 9285493 | Sensor grouping for dual sensor marine seismic streamer and method for seismic surveying | — | 2016-03-15 |
| 8650963 | Electrostatically coupled pressure sensor | Frederick J. Barr, Anders Mattsson | 2014-02-18 |
| 8446798 | Marine acoustic vibrator having enhanced low-frequency amplitude | — | 2013-05-21 |
| 8335127 | Method for generating spread spectrum driver signals for a seismic vibrator array using multiple biphase modulation operations in each driver signal chip | — | 2012-12-18 |
| 8094514 | Seismic vibrator array and method for using | — | 2012-01-10 |
| 8089825 | Method of summing dual-sensor towed streamer signals using cross-ghosting analysis | Frederick J. Barr | 2012-01-03 |
| 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 |
| 7834632 | Receiver streamer system and method for marine electromagnetic surveying | Eivind Fromyr, Marit Ronaess, Rune Johan Magnus Mattsson, Ulf Peter Lindqvist, Lena Kristina Frenje Lund +2 more | 2010-11-16 |
| 7737698 | Low noise, towed electromagnetic system for subsurface exploration | Rune Johan Magnus Mattsson, Peter Gunnar Krylstedt, Mattias Fredrik Karlsson, Ulf Peter Lindqvist, Per Anders Davidsson | 2010-06-15 |
| 7684281 | System for combining signals of pressure sensors and particle motion sensors in marine seismic streamers | Svein Torleif Vaage, Claes Nicolai Borresen | 2010-03-23 |
| 7551518 | Driving means for acoustic marine vibrator | — | 2009-06-23 |
| 7548486 | System for reducing towing noise in marine seismic survey streamers | — | 2009-06-16 |
| 7468932 | System for noise attenuation in marine seismic streamers | — | 2008-12-23 |
| 7446535 | Electrode structure and streamer made therewith for marine electromagnetic surveying | Ulf Peter Lindqvist | 2008-11-04 |
| 7376045 | System and method for determining positions of towed marine seismic streamers | Jon Falkenberg, Nils Lunde, Per Birger Gunnarsson, Nils Gunnar Olof Kröling | 2008-05-20 |
| 7359283 | System for combining signals of pressure sensors and particle motion sensors in marine seismic streamers | Svein Torleif Vaage, Claes Nicolai Borresen | 2008-04-15 |