Issued Patents All Time
Showing 51–75 of 78 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10014935 | Multiple-acquisition OTDR method and device | Stephane Perron | 2018-07-03 |
| 9897497 | Temperature-compensated strain-based transducer operating on differential measurements | — | 2018-02-20 |
| 9891121 | Attachment method to keep optical fiber in tension | Mikko Jaaskelainen, Ian Bradford Mitchell | 2018-02-13 |
| 9846259 | Apparatus and methods of multiplexing transmissive optical sensors | — | 2017-12-19 |
| 9766371 | Reflector configuration for distributed sensing in an optical fiber network using multiple sets of circulators | David Andrew Barfoot, Neal G. Skinner | 2017-09-19 |
| 9733444 | Composite slickline cable having an optical fiber with optimized residual strain | — | 2017-08-15 |
| 9709460 | Method and system for measuring an optical loss value of an optical fiber link | Stephane Perron | 2017-07-18 |
| 9571186 | Multiple-acquisition OTDR method and device | Stephane Perron | 2017-02-14 |
| 9388686 | Maximizing hydrocarbon production while controlling phase behavior or precipitation of reservoir impairing liquids or solids | Michael Konopczynski, Eric Davis, John L. Maida, Etienne M. Samson, Christopher Michael Jones +2 more | 2016-07-12 |
| 9291740 | Systems and methods for downhole electric field measurement | Luis Emilio San Martin, Etienne M. Samson | 2016-03-22 |
| 9273548 | Fiberoptic systems and methods detecting EM signals via resistive heating | Burkay Donderici | 2016-03-01 |
| 9250350 | Systems and methods for downhole magnetic field measurement | Etienne M. Samson, Luis Emilio San Martin | 2016-02-02 |
| 9222349 | Cementing plug tracking using distributed strain sensing | — | 2015-12-29 |
| 9201155 | Systems and methods for downhole electromagnetic field measurement | Luis Emilio San Martin, Etienne M. Samson | 2015-12-01 |
| 9170173 | Multiple-acquisition otdr method and device | Stephane Perron | 2015-10-27 |
| 9091785 | Fiberoptic systems and methods for formation monitoring | Burkay Donderici, Etienne M. Samson | 2015-07-28 |
| 8576389 | Multiple-acquisition OTDR method and device | Stephane Perron | 2013-11-05 |
| 8482725 | Method and apparatus for identification of multiple fibers using an OTDR | Stephane Perron, Bernard Ruchet | 2013-07-09 |
| 8432552 | High intensity Fabry-Perot sensor | William N. Gibler, Larry A. Jeffers, Richard L. Lopushansky, Frederick J. Gillham | 2013-04-30 |
| 6957576 | Subterranean well pressure and temperature measurement | Neal G. Skinner, John Dennis, Gregg Johnson, Michael Todd | 2005-10-25 |
| 6747743 | Multi-parameter interferometric fiber optic sensor | Neal G. Skinner, John Dennis | 2004-06-08 |
| 6724469 | Polarization-OTDR for measuring characteristics of optical fibers | — | 2004-04-20 |
| 6289740 | Integrated fiber optic strain sensing using low-coherence wavelength-encoded addressing | Ralph Posey, Jr., Alan D. Kersey, Michael A. Davis | 2001-09-18 |
| 5754284 | Optical time domain reflectometer with internal reference reflector | Robert Larose, Robert Tremblay | 1998-05-19 |
| 5339833 | Swivel exchange guidewire | William A. Berthiaume | 1994-08-23 |