Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11828631 | Method and apparatus for suppression of noise due to local oscillator instability in a coherent fiber optical sensor | Ole Henrik Waagaard | 2023-11-28 |
| 11499849 | Method and apparatus for suppression of noise due to transmitted signal instability in a coherent fiber optical sensor system | Ole Henrik Waagaard | 2022-11-15 |
| 10247581 | Interferometric optical fibre sensor system and method of interrogation | Ole Henrik Waagaard | 2019-04-02 |
| 10001362 | Processing data from a distributed fibre-optic interferometric sensor system | Ole Henrik Waagaard | 2018-06-19 |
| 7916303 | Non-uniform sampling to extend dynamic range of interferometric sensors | Ole Henrik Waagaard | 2011-03-29 |
| 7679994 | Bi-directional interrogation of optical sensors | Ole Henrik Waagaard, Hilde Nakstad, Arne Berg, Jon Thomas Kringlebotn | 2010-03-16 |
| 7551517 | Seabed seismic station packaging | Arne Berg, Ole Henrik Waagaard, Jon Thomas Kringlebotn, Hilde Nakstad, Roar Furuhaug | 2009-06-23 |
| 7480056 | Multi-pulse heterodyne sub-carrier interrogation of interferometric sensors | Ole Henrik Waagaard | 2009-01-20 |
| 7433045 | Active coherence reduction for interferometer interrogation | Ole Henrik Waagaard, Kjell Blotekjaer, Dag Thingbo, Sigurd Lovseth, Sverre Kundsen | 2008-10-07 |
| 7245382 | Downhole optical sensor system with reference | — | 2007-07-17 |
| 7157693 | Optical wavelength interrogator | Dag Thingbo, Jon Thomas Kringlebotn, Hilde Nakstad | 2007-01-02 |
| 7060967 | Optical wavelength interrogator | Dag Thingbo, Jon Thomas Kringlebotn, Hilde Nakstad | 2006-06-13 |
| 7003184 | Fiber optic probes | Arne Berg, Jon Thomas Kringlebotn, Reinold Ellingsen, Dag Roar Hjeime | 2006-02-21 |
| 6888125 | Fiber optic sensing systems and method of use thereof | Dag Roar Hjelme, Jon Thomas Kringlebotn | 2005-05-03 |