Issued Patents All Time
Showing 1–25 of 53 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12399357 | Directing light into an optical fiber | Dawn K. Gifford, Mark E. Froggatt, Eric E. Sanborn | 2025-08-26 |
| 12228434 | Overlapping fiber gratings | Mark E. Froggatt | 2025-02-18 |
| 11815371 | Overlapping fiber gratings | Mark E. Froggatt | 2023-11-14 |
| 11506519 | Overlapping fiber gratings | Mark E. Froggatt | 2022-11-22 |
| 10698153 | Index-matched grating inscription through fiber coating | Megan Patoskie | 2020-06-30 |
| 10429542 | Depth correction based on optical path measurements | Christopher J Fazio, Roger Glen Duncan | 2019-10-01 |
| 9784862 | Distributed downhole acousting sensing | Roger Glen Duncan, Michael C. Nuckels | 2017-10-10 |
| 9683902 | Temperature sensing arrangement, method of making the same and method of sensing temperature | Roger Glen Duncan, Paul F. Wysocki | 2017-06-20 |
| 9557239 | Determination of strain components for different deformation modes using a filter | Jianfeng Chen, Xudong Yang, Brian L. Thigpen | 2017-01-31 |
| 9551809 | Arrayed wave division multiplexing to improve spatial resolution of IOFDR fiber Bragg sensing system | Alexander M. Barry, Roger Glen Duncan | 2017-01-24 |
| 9546915 | Enhancing functionality of reflectometry based systems using parallel mixing operations | Roger Glen Duncan, Alexander M. Barry, Robert M. Harman, Philip R. Couch | 2017-01-17 |
| 9476294 | Device and method for discrete distributed optical fiber pressure sensing | Robert M. Harman, Philippe Legrand, Roger Glen Duncan, Alan Craig Reynolds, Sam Dippold | 2016-10-25 |
| 9435944 | Phase mask period control | Daniel S. Homa | 2016-09-06 |
| 9410903 | Incoherent reflectometry utilizing chaotic excitation of light sources | Roger Glen Duncan, Philip R. Couch | 2016-08-09 |
| 9341054 | System for monitoring linearity of down-hole pumping systems during deployment and related methods | Robert M. Harman, Philippe Legrand, Malcolm S. Laing, Roger Glen Duncan, Suresha R. O'Bryan +2 more | 2016-05-17 |
| 9335502 | Fiber optic cable arrangement | Paul F. Wysocki, Christopher H. Lambert, Juan Franco, Carl W. Stoesz | 2016-05-10 |
| 9321222 | Optical fiber sensing with enhanced backscattering | Roger Glen Duncan | 2016-04-26 |
| 9291505 | Polarization scrambling in interferometer systems | Roger Glen Duncan, Ajit Balagopal, Dan Provenzano | 2016-03-22 |
| 9267821 | Combined swept-carrier and swept-modulation frequency optical frequency domain reflectometry | Robert M. Harman, Roger Glen Duncan | 2016-02-23 |
| 9255822 | Splicable fiber optic sensing system, method of making same and tape for sense transmissively locking an optical fiber | Carl W. Stoesz | 2016-02-09 |
| 9213121 | Acoustic sensing system for determining an interface between two materials | Roger Glen Duncan | 2015-12-15 |
| 9200508 | Method and apparatus for monitoring vibration using fiber optic sensors | Roger Glen Duncan, Robert M. Harman, Ajit Balagopal | 2015-12-01 |
| 9069141 | Fiber optic termination arrangement and method of making the same | — | 2015-06-30 |
| 8965147 | Bend insensitive optical fiber with improved hydrogen resistance | Daniel S. Homa | 2015-02-24 |
| 8950472 | System for monitoring linearity of down-hole pumping systems during deployment and related methods | Robert M. Harman, Philippe Legrand, Malcolm S. Laing, Roger Glen Duncan, Suresha R. O'Bryan +2 more | 2015-02-10 |