| 10677945 |
Hydrophone housing |
Roar Furuhaug |
2020-06-09 |
| 9703007 |
Method of producing a seismic streamer cable |
Arne Berg |
2017-07-11 |
| 9042202 |
Split-element optical hydrophone |
Arne Berg |
2015-05-26 |
| 7679994 |
Bi-directional interrogation of optical sensors |
Erlend Ronnekleiv, Ole Henrik Waagaard, Hilde Nakstad, Arne Berg |
2010-03-16 |
| 7551517 |
Seabed seismic station packaging |
Arne Berg, Erlend Ronnekleiv, Ole Henrik Waagaard, Hilde Nakstad, Roar Furuhaug |
2009-06-23 |
| 7268884 |
Wavelength reference system for optical measurements |
Hilde Nakstad, Dag Thingbo |
2007-09-11 |
| 7171093 |
Method for preparing an optical fibre, optical fibre and use of such |
Audun Hordvik |
2007-01-30 |
| 7157693 |
Optical wavelength interrogator |
Dag Thingbo, Hilde Nakstad, Erlend Ronnekleiv |
2007-01-02 |
| 7072044 |
Apparatus for acoustic detection of particles in a flow using a fiber optic interferometer |
Erlend Rønnekleiv, Sverre Knudsen |
2006-07-04 |
| 7060967 |
Optical wavelength interrogator |
Dag Thingbo, Hilde Nakstad, Erlend Ronnekleiv |
2006-06-13 |
| 7003184 |
Fiber optic probes |
Erlend Ronnekleiv, Arne Berg, Reinold Ellingsen, Dag Roar Hjeime |
2006-02-21 |
| 6888125 |
Fiber optic sensing systems and method of use thereof |
Erlend Ronnekleiv, Dag Roar Hjelme |
2005-05-03 |
| 6788418 |
Method and apparatus for interrogation of birefringent FBG sensors |
— |
2004-09-07 |
| 6693923 |
Waveguide laser source |
Sigurd Weidemann Løvseth |
2004-02-17 |
| 6680472 |
Device for measuring of optical wavelengths |
Dag Thingbø |
2004-01-20 |
| 6597711 |
Bragg grating-based laser |
Mark R. Fernald, Timothy J. Bailey, Matthew B. Miller, James M. Sullivan, Michael A. Davis +4 more |
2003-07-22 |
| 6137812 |
Multiple cavity fiber fabry-perot lasers |
Kevin Hsu, Calvin M. Miller, David Neil Payne |
2000-10-24 |
| 6097487 |
Device for measurement of optical wavelengths |
Dag Thingbo, Hilde Nakstad |
2000-08-01 |
| 5844927 |
Optical fiber distributed feedback laser |
— |
1998-12-01 |
| 5771251 |
Optical fibre distributed feedback laser |
David Neil Payne, Laurence Reekie, Jean-Luc Archambault |
1998-06-23 |
| 5425039 |
Single-frequency fiber Fabry-Perot micro lasers |
Kevin Hsu, Calvin M. Miller, David Neil Payne |
1995-06-13 |
