Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12235095 | Methods and apparatus to determine a shape of an optical fiber sensor | Mark E. Froggatt, Dawn K. Gifford, Stephen T. Kreger | 2025-02-25 |
| 11828586 | Methods and apparatus to determine a twist parameter and/or a bend angle associated with a multi-core fiber | Mark E. Froggatt, Dawn K. Gifford, Stephen T. Kreger | 2023-11-28 |
| 11473902 | Methods and apparatus to determine a twist parameter and/or a bend angle associated with a multi-core fiber | Mark E. Froggatt, Dawn K. Gifford, Stephen T. Kreger | 2022-10-18 |
| 11193751 | Method and apparatus for motion compensation in interferometric sensing systems | Mark E. Froggatt, Alexander K. Sang, Dawn K. Gifford | 2021-12-07 |
| 10921117 | Methods and apparatus to determine a twist parameter and/or a bend angle associated with a multi-core fiber | Mark E. Froggatt, Dawn K. Gifford, Stephen T. Kreger | 2021-02-16 |
| 10739129 | Methods and apparatus to determine a twist parameter and/or a bend angle associated with a multi-core fiber | Mark E. Froggatt, Dawn K. Gifford, Stephen T. Kreger | 2020-08-11 |
| 10551173 | Methods and apparatus to determine a twist parameter and/or a bend angle associated with a multi-core fiber | Mark E. Froggatt, Dawn K. Gifford, Stephen T. Kreger | 2020-02-04 |
| 10545070 | Dispersion correction in optical frequency-domain reflectometry | Evan M. Lally, Mark E. Froggatt, Emily E. H. Templeton | 2020-01-28 |
| 10378885 | Methods and apparatus to determine a twist parameter and/or a bend angle associated with a multi-core fiber | Mark E. Froggatt, Dawn K. Gifford, Stephen T. Kreger | 2019-08-13 |
| 10295380 | Method and apparatus for multiple localized interferometric measurements | Evan M. Lally, Emily E. H. Templeton | 2019-05-21 |
| 10054420 | Method and apparatus for motion compensation in interferometric sensing systems using a non-linear compensating signal | Mark E. Froggatt, Alexander K. Sang, Dawn K. Gifford | 2018-08-21 |
| 9885633 | Dispersion correction in optical frequency-domain reflectometry | Evan M. Lally, Mark E. Froggatt, Emily E. H. Templeton | 2018-02-06 |
| 9841269 | Method and apparatus for compensating for a time-varying disturbance in interferometric sensing systems | Mark E. Froggatt, Alexander K. Sang, Dawn K. Gifford | 2017-12-12 |
| 9784569 | Methods and apparatus to determine strain on an optical core based on tracked change in phase | Mark E. Froggatt, Dawn K. Gifford, Stephen T. Kreger | 2017-10-10 |
| 9772176 | Overlapped chirped fiber bragg grating sensing fiber and methods and apparatus for parameter measurement using same | Mark E. Froggatt | 2017-09-26 |
| 9025158 | Interferometric measurement with crosstalk suppression | Mark E. Froggatt | 2015-05-05 |
| 8773650 | Optical position and/or shape sensing | Mark E. Froggatt, Dawn K. Gifford, Stephen T. Kreger | 2014-07-08 |
| 8531655 | Compensating for non-ideal multi-core optical fiber structure | Mark E. Froggatt, Stephen T. Kreger, Dawn K. Gifford, Sandra M. KLUTE | 2013-09-10 |
| 8400620 | Registration of an extended reference for parameter measurement in an optical sensing system | Mark E. Froggatt, Dawn K. Gifford, Matthew T. Reaves, Joseph J. Bos, Alexander K. Sang | 2013-03-19 |