Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |