| 7227814 |
Repairable fiber optic hydrophone assembly |
Joseph S. Salinas |
2007-06-05 |
| 7054521 |
Architecture for large optical fiber array using standard 1×2 couplers |
Craig W. Hodgson |
2006-05-30 |
| 6768829 |
Architecture for large optical fiber array using standard 1×2 couplers |
Craig W. Hodgson |
2004-07-27 |
| 6744965 |
Pressure vessel |
Akbar Arab-Sadeghabadi, Agop Hygasov Cherbettchian, Kurt R. Carlson |
2004-06-01 |
| 6728165 |
Acoustic sensing system for downhole seismic applications utilizing an array of fiber optic sensors |
John A. Roscigno, Craig W. Hodgson, William Knaack |
2004-04-27 |
| 6507679 |
Long distance, all-optical telemetry for fiber optic sensor using remote optically pumped EDFAs |
Craig W. Hodgson |
2003-01-14 |
| 6434283 |
In-line fiber-optic polarizer |
David B. Hall |
2002-08-13 |
| 6288975 |
Acoustic sensing system for downhole seismic applications utilizing an array of fiber optic sensors |
Michael Carter, Samuel N. Fersht, David C. Winslow |
2001-09-11 |
| 6269198 |
Acoustic sensing system for downhole seismic applications utilizing an array of fiber optic sensors |
Craig W. Hodgson |
2001-07-31 |
| 6249622 |
Architecture for large optical fiber array using standard 1.times.2 couplers |
Craig W. Hodgson |
2001-06-19 |
| 6104846 |
System for splicing sensors into a multiple fiber optical cable |
Craig W. Hodgson |
2000-08-15 |
| 6072921 |
Method of operating a fiber-optic acoustical sensor, apparatus for practicing the method, and in-line fiber-optic polarizer usable in such apparatus |
David B. Hall |
2000-06-06 |
| 6038926 |
TDM array of optical non-acoustic pressure sensors |
David B. Hall |
2000-03-21 |
| 5995207 |
Method for determining the phase difference of light waves propagated over two paths |
David B. Hall, James Brett Bunn, James S. Bunn |
1999-11-30 |
| 5867258 |
System for multiplexed high resolution measurement of frequency variations in multimode fiber laser acoustic sensors |
Steven Bell |
1999-02-02 |
| 5815266 |
Sensing method and apparatus |
Samuel N. Fersht |
1998-09-29 |
| 5751425 |
Apparatus and method for detecting rotation rate, Faraday bias and cavity length in a ring laser gyroscope |
John G. Mark, Daniel A. Tazartes, David B. Hall, Tae W. Hahn |
1998-05-12 |
| 5737278 |
Extended, flexible, spatially weighted fiber optic interferometric hydrophone |
Robert P. Goldman, Steven J. Maas, John Mansell |
1998-04-07 |
| 5696857 |
WDM/FDM fiber optic sensor architecture using WDM tap coupler |
— |
1997-12-09 |
| 5625724 |
Fiber optic hydrophone having rigid mandrel |
John F. Cappi |
1997-04-29 |
| 5555086 |
Coherence multiplexed interferometric signal processing system and method |
Karlheinz vonBieren |
1996-09-10 |
| 4969743 |
Faraday magnet for the reduction of multi-oscillator bias thermal sensitivity |
Laurence G. Cote, Edward Kanegsberg |
1990-11-13 |