Issued Patents All Time
Showing 26–42 of 42 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10545283 | Redundant core in multicore optical fiber for safety | Mark E. Froggatt, Jeffrey T. LaCroix, Patrick Roye, Alexander K. Sang | 2020-01-28 |
| 10378883 | Force sensing in a distal region of an instrument including single-core or multi-core optical fiber | Federico Barbagli, Samuel Chang, Anoop B. Kowshik, Oliver J. Wagner, Michael D. Paris +1 more | 2019-08-13 |
| 10378885 | Methods and apparatus to determine a twist parameter and/or a bend angle associated with a multi-core fiber | Mark E. Froggatt, Justin W. Klein, Stephen T. Kreger | 2019-08-13 |
| 10132614 | Dissimilar cores in multicore optical fiber for strain and temperature separation | Mark E. Froggatt, Stephen T. Kreger, Alexander K. Sang, Jeffrey T. LaCroix, Eric E. Sanborn | 2018-11-20 |
| 10054420 | Method and apparatus for motion compensation in interferometric sensing systems using a non-linear compensating signal | Mark E. Froggatt, Alexander K. Sang, Justin W. Klein | 2018-08-21 |
| 9841269 | Method and apparatus for compensating for a time-varying disturbance in interferometric sensing systems | Mark E. Froggatt, Alexander K. Sang, Justin W. Klein | 2017-12-12 |
| 9784569 | Methods and apparatus to determine strain on an optical core based on tracked change in phase | Mark E. Froggatt, Justin W. Klein, Stephen T. Kreger | 2017-10-10 |
| 9435702 | Method and apparatus for optical strain sensing | Mark E. Froggatt | 2016-09-06 |
| 9200971 | Method and apparatus for optical strain sensing | Mark E. Froggatt | 2015-12-01 |
| 8773650 | Optical position and/or shape sensing | Mark E. Froggatt, Justin W. Klein, Stephen T. Kreger | 2014-07-08 |
| 8714026 | Strain sensing with optical fiber rosettes | Mark E. Froggatt | 2014-05-06 |
| 8531655 | Compensating for non-ideal multi-core optical fiber structure | Justin W. Klein, Mark E. Froggatt, Stephen T. Kreger, Sandra M. KLUTE | 2013-09-10 |
| 8400620 | Registration of an extended reference for parameter measurement in an optical sensing system | Mark E. Froggatt, Justin W. Klein, Matthew T. Reaves, Joseph J. Bos, Alexander K. Sang | 2013-03-19 |
| 8004686 | Compensating for time varying phase changes in interferometric measurements | Mark E. Froggatt | 2011-08-23 |
| 7948633 | Compensating for time varying phase changes in interferometric measurements | Mark E. Froggatt | 2011-05-24 |
| 7781724 | Fiber optic position and shape sensing device and method relating thereto | Brooks A. Childers, Roger Glen Duncan, Matthew Thomas Raum, Michael Vercellino, Mark E. Froggatt | 2010-08-24 |
| 7515276 | High resolution interferometric optical frequency domain reflectometry (OFDR) beyond the laser coherence length | Mark E. Froggatt, Ryan Seeley | 2009-04-07 |