Issued Patents All Time
Showing 26–50 of 64 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8942529 | Fibre optic tape assembly | Francois M. Auzerais, Ernest Brown, Simon James, Philippe Gambier | 2015-01-27 |
| 8924158 | Seismic acquisition system including a distributed sensor having an optical fiber | Ed Kragh, Everhard Muyzert, Johan Olof Anders Robertsson, Douglas E. Miller | 2014-12-30 |
| 8770283 | Systems and methods for distributed interferometric acoustic monitoring | J. Ernest Brown, John Cook, Jonathan Elphick, Paul Hammond, Ashley Bernard Johnson | 2014-07-08 |
| 8605542 | Detection of seismic signals using fiber optic distributed sensors | Richard Timothy Coates, Douglas E. Miller, Colin Wilson, Dominic Joseph Brady, Henry Menkiti +2 more | 2013-12-10 |
| 8408064 | Distributed acoustic wave detection | Douglas E. Miller, Kamal Kader, Gareth Lees, Graeme Hilton, Stephen Mullens | 2013-04-02 |
| 8401401 | Polarization-diverse, heterodyne optical receiving system | Dominic Joseph Brady, Maxwell Richard Hadley | 2013-03-19 |
| 8347958 | Systems and methods for distributed interferometric acoustic monitoring | J. Ernest Brown, John Cook, Jonathan Elphick, Paul Hammond, Ashley Bernard Johnson | 2013-01-08 |
| 8326095 | Tilt meter including optical fiber sections | Robert Greenaway | 2012-12-04 |
| 8274400 | Methods and systems for downhole telemetry | Colin Wilson | 2012-09-25 |
| 8225867 | Systems and methods for distributed interferometric acoustic monitoring | J Ernest Brown, John Cook, Jonathan Elphick, Paul Hammond, Ashley Bernard Johnson | 2012-07-24 |
| 8134696 | Measuring Brillouin backscatter from an optical fibre using a tracking signal | — | 2012-03-13 |
| 8077314 | Measuring a characteristic of a multimode optical fiber | Dylan H. Davies, Graeme Hilton, Gareth Lees | 2011-12-13 |
| 8013986 | Measuring brillouin backscatter from an optical fibre using channelisation | — | 2011-09-06 |
| 7995209 | Time domain multiplexing of interferometric sensors | — | 2011-08-09 |
| 7946341 | Systems and methods for distributed interferometric acoustic monitoring | J. Ernest Brown, John Cook, Jonathan Elphick, Paul Hammond, Ashley Bernard Johnson | 2011-05-24 |
| 7881566 | Optical pulse generator for distributed temperature sensing operating at a characteristic wavelength in a range between 1050 nm and 1090 nm | Gareth Lees, Peter Wait | 2011-02-01 |
| 7859654 | Frequency-scanned optical time domain reflectometry | — | 2010-12-28 |
| 7854267 | Methods and systems to activate downhole tools with light | David R. Smith, Rogerio Tadeu Ramos, Vladimir Vaynshteyn | 2010-12-21 |
| 7832276 | Pressure measuring device and method | Xu Wu, Dimitri Cadere, Tsutomu Yamate | 2010-11-16 |
| 7668411 | Distributed vibration sensing system using multimode fiber | Dylan H. Davies, Kamal Kader | 2010-02-23 |
| 7597142 | System and method for sensing a parameter in a wellbore | Hubertus V. Thomeer, Martin E. Poitzsch, Benjamin Peter Jeffryes | 2009-10-06 |
| 7595865 | Optical time domain reflectometry for two segment fiber optic systems having an optical amplifier therebetween | Peter Wait | 2009-09-29 |
| 7586617 | Controlling a dynamic signal range in an optical time domain reflectometry | Kamal Kadar | 2009-09-08 |
| 7548319 | Interferometric method and apparatus for measuring physical parameters | — | 2009-06-16 |
| 7504618 | Distributed sensing in an optical fiber using brillouin scattering | Gareth Lees | 2009-03-17 |