Inventor · disambiguated record
Andrew B. Lewis
Also filed as: LEWIS ANDREW · LEWIS ANDREW B · LEWIS ANDREW BIGGERSTAFF
31 granted patents·3 pending applications·675 citations·filing 1995–2021
97Inventor score
Files withAT & T IP II LP12RADIODETECTION LTD8OPTASENSE HOLDINGS LTD5LEWIS ANDREW2LEWIS ANDREW BIGGERSTAFF2
Top patents by PatentIndex Score
34 records- 0196US9945717B2Fibre optic distributed sensingOPTASENSE HOLDINGS LTD·Filed 2016·Granted Apr 17, 2018·8 cites·17 claims
- 0296US9435668B2Fibre optic distributed sensingLEWIS ANDREW BIGGERSTAFF·Filed 2012·Granted Sep 6, 2016·23 cites·55 claims
- 0395US9909903B2Apparatus for deriving measurement signals from fibre optic distributed sensorsLEWIS ANDREW BIGGERSTAFF·Filed 2012·Granted Mar 6, 2018·22 cites·62 claims
- 0493US9787394B2Method and apparatus for acoustic sensing using multiple optical pulsesAT & T IP II LP·Filed 2015·Granted Oct 10, 2017·6 cites·20 claims
- 0593US9768863B2Method and apparatus for acoustic sensing using multiple optical pulsesAT & T IP II LP·Filed 2015·Granted Sep 19, 2017·6 cites·20 claims
- 0693US7764363B2Method and apparatus for acoustic sensing using multiple optical pulsesAT & T IP II LP·Filed 2006·Granted Jul 27, 2010·18 cites·27 claims
- 0792US6650798B2Identification and location of fiber optic cablesRADIODETECTION LTD·Filed 2002·Granted Nov 18, 2003·49 cites·20 claims
- 0891US7742157B2Method and apparatus for acoustic sensing using multiple optical pulsesAT & T IP II LP·Filed 2007·Granted Jun 22, 2010·13 cites·26 claims
- 0991US6127827AMethod of identifying a buried cable by applying a low frequency signal to the cable and detecting the resultant fieldRADIODETECTION LTD·Filed 1995·Granted Oct 3, 2000·113 cites·12 claims
- 1090US10534031B2Detecting failure locations in power cablesOPTASENSE HOLDINGS LTD·Filed 2016·Granted Jan 14, 2020·6 cites·21 claims
- 1190US9465126B2Seismic geophysical surveyingLEWIS ANDREW·Filed 2012·Granted Oct 11, 2016·19 cites·25 claims
- 1290US5920194ADevice for locating objects that emit electromagnetic signalsRADIODETECTION LTD·Filed 1995·Granted Jul 6, 1999·174 cites·18 claims
- 1386US6728662B2Method and system for remotely servicing a detection deviceRADIODETECTION LTD·Filed 2002·Granted Apr 27, 2004·63 cites·39 claims
- 1478US10928546B2Optic fibre sensingOPTASENSE HOLDINGS LTD·Filed 2016·Granted Feb 23, 2021·3 cites·25 claims
- 1576US11438059B2Method and apparatus for detecting a disturbance in a medium based on shifted filtered phase information for a plurality of locationsAT & T IP II LP·Filed 2021·Granted Sep 6, 2022·0 cites·20 claims
- 1673US10623092B2Method and apparatus for detecting a disturbance in a medium using threshold based detectionAT & T IP II LP·Filed 2019·Granted Apr 14, 2020·0 cites·20 claims
- 1771US11431409B2Method and apparatus for detecting a disturbance in a medium based on shifted filtered phase information for a plurality of fixed locationsAT & T IP II LP·Filed 2021·Granted Aug 30, 2022·0 cites·20 claims
- 1871US6480635B1Identification and location of fiber optic cablesRADIODETECTION LTD·Filed 1999·Granted Nov 12, 2002·30 cites·8 claims
- 1971US6297736B1Locating concealed conductorsRADIODETECTION LTD·Filed 1998·Granted Oct 2, 2001·53 cites·19 claims
- 2069US10972180B2Method and apparatus for detecting a disturbance in a mediumAT & T IP II LP·Filed 2020·Granted Apr 6, 2021·0 cites·20 claims
- 2168US10972181B2Method and apparatus for detecting a disturbance in a mediumAT & T IP II LP·Filed 2020·Granted Apr 6, 2021·0 cites·20 claims
- 2268US6552548B1Detecting underground objectsRADIODETECTION LTD·Filed 1999·Granted Apr 22, 2003·52 cites·10 claims
- 2366US10447388B2Method and apparatus for detecting a disturbance in a mediumAT & T IP II LP·Filed 2017·Granted Oct 15, 2019·0 cites·20 claims
- 2465US10623091B2Method and apparatus for detecting a disturbance in a medium using threshold based detectionAT & T IP II LP·Filed 2019·Granted Apr 14, 2020·0 cites·20 claims
- 2565US10454573B2Method and apparatus for detecting a disturbance in a mediumAT & T IP II LP·Filed 2017·Granted Oct 22, 2019·0 cites·20 claims
- 2664US9154223B2Method and apparatus for acoustic sensing using multiple optical pulsesLEWIS ANDREW B·Filed 2010·Granted Oct 6, 2015·1 cites·19 claims
- 2751US6236217B1Cable fault monitoring systemRADIODETECTION LTD·Filed 1997·Granted May 22, 2001·16 cites·8 claims
- 2847US10495491B2Distributed fibre optic sensingOPTASENSE HOLDINGS LTD·Filed 2016·Granted Dec 3, 2019·0 cites·32 claims
- 2947US10401199B2Tracking using distributed fibre optic sensingOPTASENSE HOLDINGS LTD·Filed 2016·Granted Sep 3, 2019·0 cites·20 claims
- 3046US12196604B2Signal processing methods for an optical detection systemSINTELA LTD·Filed 2020·Granted Jan 14, 2025·0 cites·22 claims
- 3146US9148219B2Method and apparatus for acoustic sensing using multiple optical pulsesHAYWARD JUSTIN·Filed 2010·Granted Sep 29, 2015·0 cites·19 claims
- 3240US2014204368A1Fibre Optic Distributed SensorLEWIS ANDREW·Filed 2012·Application pending·0 cites
- 3338US2014036628A1Subsurface Monitoring Using Distributed Acoustic SensorsHILL DAVID·Filed 2012·Application pending·0 cites
- 3436US2004228566A1Fibre-optic cable detection apparatus and methodFiled 2003·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →