Inventor · disambiguated record
William Johnston
Also filed as: JOHNSTON JR WILLIAM · JOHNSTON WILLIAM · JOHNSTON WILLIAM A · JOHNSTON WILLIAM ALBERT
23 granted patents·1 pending application·189 citations·filing 1990–2021
94Inventor score
Top patents by PatentIndex Score
24 records- 0192US9982531B2Optical fiber distributed sensors with improved dynamic rangeJOHNSTON WILLIAM·Filed 2015·Granted May 29, 2018·8 cites·19 claims
- 0288US10494914B2Measurement of temperature using combination of rayleigh and raman backscatter interferometryJOHNSTON WILLIAM ALBERT·Filed 2017·Granted Dec 3, 2019·4 cites·20 claims
- 0388US9110251B2Processing images of fiber optic connector endsCHEN DAVID ZHI·Filed 2011·Granted Aug 18, 2015·7 cites·21 claims
- 0483US10746016B2Time division multiplexing of distributed downhole sensing systemsBARRY ALEXANDER MICHAEL·Filed 2018·Granted Aug 18, 2020·6 cites·16 claims
- 0580US5267399AImplement for simultaneous skin chilling and chilled gel applicationJOHNSTON WILLIAM A·Filed 1992·Granted Dec 7, 1993·64 cites·2 claims
- 0679US10208586B2Temperature sensing using distributed acoustic sensingJOHNSTON WILLIAM·Filed 2014·Granted Feb 19, 2019·4 cites·20 claims
- 0777US10677050B2Dispersion-shifted optical fibers for downhole sensingJOHNSTON WILLIAM ALBERT·Filed 2017·Granted Jun 9, 2020·1 cites·20 claims
- 0877US9634766B2Distributed acoustic sensing using low pulse repetition ratesJOHNSTON WILLIAM·Filed 2015·Granted Apr 25, 2017·2 cites·18 claims
- 0973US10545036B2Distributed parameter measurements using multiple optical sourcesJOHNSTON WILLIAM ALBERT·Filed 2017·Granted Jan 28, 2020·1 cites·19 claims
- 1072US5273484AFood-processing apparatusBRITISH TECH GROUP·Filed 1992·Granted Dec 28, 1993·28 cites·26 claims
- 1169US10690552B2DTS performance improvement through variable mode path length averagingMITCHELL IAN·Filed 2017·Granted Jun 23, 2020·1 cites·17 claims
- 1269US9797783B2Filter and method and distributed temperature sensor systemJOHNSTON WILLIAM ALBERT·Filed 2016·Granted Oct 24, 2017·1 cites·13 claims
- 1367US9404831B2Arrayed wave division multiplex to extend range of IOFDR fiber bragg sensing systemBARRY ALEXANDER M·Filed 2014·Granted Aug 2, 2016·3 cites·20 claims
- 1463US5717928ASystem and a method for obtaining a mask programmable device using a logic description and a field programmable device implementing the logic descriptionMATRA HACHETTE SA·Filed 1990·Granted Feb 10, 1998·57 cites·8 claims
- 1562US12168928B2Grating position dithering for improved distributed acoustic sensing engineered fiber performanceBAKER HUGHES OILFIELD OPERATIONS LLC·Filed 2021·Granted Dec 17, 2024·0 cites·13 claims
- 1660US10415375B2Optical fiber distributed sensors with improved dynamic rangeJOHNSTON WILLIAM·Filed 2018·Granted Sep 17, 2019·0 cites·8 claims
- 1756US8471649B2Ku-band diplexerDEVEREUX JEFF·Filed 2007·Granted Jun 25, 2013·2 cites·7 claims
- 1848US11796382B2Drift correction in a fiber optic distributed acoustic sensing systemJOHNSTON WILLIAM ALBERT·Filed 2019·Granted Oct 24, 2023·0 cites·21 claims
- 1948US11125636B2Quadrature detection for optical MEMS pressure gaugeJOHNSTON WILLIAM ALBERT·Filed 2018·Granted Sep 21, 2021·0 cites·9 claims
- 2044US10161811B2Distributed temperature sensor enhancement by stimulated Raman suppressionMITCHELL IAN·Filed 2015·Granted Dec 25, 2018·0 cites·14 claims
- 2143US9670759B2Monitoring fluid flow in a downhole assemblyLEE ERIK N·Filed 2014·Granted Jun 6, 2017·0 cites·17 claims
- 2241US8736397B2Ku-band coaxial to microstrip mixed dielectric PCB interface with surface mount diplexerDEVEREUX JEFF·Filed 2007·Granted May 27, 2014·0 cites·27 claims
- 2334US2018283163A1Subsea pump systemAKER SOLUTIONS INC·Filed 2016·Application pending·0 cites
- 2433US9989425B2Attenuation correction for distrbuted temperature sensors using antistokes to rayleigh ratioMITCHELL IAN·Filed 2015·Granted Jun 5, 2018·0 cites·16 claims
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