Lewis; Andrew Biggerstaff
Patent Applications and Registrations
Patent applications and USPTO patent grants for Lewis; Andrew Biggerstaff.The latest application filed is for "fibre optic distributed sensing".
- Lewis; Andrew Biggerstaff - Bristol GB
| Patent | Date |
|---|---|
| Fibre optic distributed sensing Grant 9,945,717 - Lewis , et al. April 17, 2 | 2018-04-17 |
| Apparatus for deriving measurement signals from fibre optic distributed sensors Grant 9,909,903 - Lewis , et al. March 6, 2 | 2018-03-06 |
| Fibre Optic Distributed Sensing App 20170199075 - Lewis; Andrew Biggerstaff ; et al. | 2017-07-13 |
| Fibre optic distributed sensing Grant 9,435,668 - Lewis , et al. September 6, 2 | 2016-09-06 |
| Fibre Optic Distributed Sensing App 20120280117 - Lewis; Andrew Biggerstaff ; et al. | 2012-11-08 |
| Fibre Optic Distributed Sensing App 20120278043 - Lewis; Andrew Biggerstaff ; et al. | 2012-11-01 |
| Fibre-optic cable detection apparatus and method App 20040228566 - Lewis, Andrew Biggerstaff ; et al. | 2004-11-18 |
| Identification and location of fiber optic cables Grant 6,650,798 - Russell , et al. November 18, 2 | 2003-11-18 |
| Detecting underground objects Grant 6,552,548 - Lewis , et al. April 22, 2 | 2003-04-22 |
| Identification and location of fiber optic cables App 20030052258 - Russell, Stuart John ; et al. | 2003-03-20 |
| Locating concealed conductors Grant 6,297,736 - Lewis , et al. October 2, 2 | 2001-10-02 |
| Method of identifying a buried cable by applying a low frequency signal to the cable and detecting the resultant field Grant 6,127,827 - Lewis October 3, 2 | 2000-10-03 |
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