Inventor · disambiguated record
Trevor Macdougall
Also filed as: MACDOUGALL TREVOR · MACDOUGALL TREVOR W · MACDOUGALL TREVOR WAYNE
63 granted patents·8 pending applications·632 citations·filing 1990–2023
99Inventor score
Files withWEATHERFORD LAMB20LUMEDA INC10MINNESOTA MINING & MFG8CIDRA CORP73M INNOVATIVE PROPERTIES CO5
Top patents by PatentIndex Score
71 records- 0194US8646968B2Method for performing optical distributed temperature sensing (DTS) measurements in hydrogen environmentsMACDOUGALL TREVOR WAYNE·Filed 2011·Granted Feb 11, 2014·22 cites·13 claims
- 0293US6621957B1Temperature compensated optical deviceCIDRA CORP·Filed 2000·Granted Sep 16, 2003·58 cites·71 claims
- 0392US6955085B2Optical accelerometer or displacement device using a flexure systemWEATHERFORD LAMB·Filed 2003·Granted Oct 18, 2005·81 cites·81 claims
- 0491US6626043B1Fluid diffusion resistant glass-encased fiber optic sensorWEATHERFORD LAMB·Filed 2000·Granted Sep 30, 2003·33 cites·41 claims
- 0588US8351755B2Optical waveguide feedthrough assemblyWEATHERFORD LAMB·Filed 2011·Granted Jan 8, 2013·7 cites·19 claims
- 0688US7747126B2Optical waveguide feedthrough assemblyWEATHERFORD LAMB·Filed 2007·Granted Jun 29, 2010·14 cites·22 claims
- 0787US7526149B1Dual wavelength strain-temperature Brillouin sensing system and methodQOREX LLC·Filed 2008·Granted Apr 28, 2009·16 cites·15 claims
- 0887US6795636B1Radiation-transmissive films on glass articles3M INNOVATIVE PROPERTIES CO·Filed 2000·Granted Sep 21, 2004·26 cites·17 claims
- 0986US8068714B2Optical waveguide feedthrough assemblyDUNPHY JAMES R·Filed 2010·Granted Nov 29, 2011·8 cites·20 claims
- 1086US7062126B2Tunable optical filter having large diameter optical waveguide with bragg grating and being configured for reducing the bulk modulus of compressibility thereofKERSEY ALAN D·Filed 2003·Granted Jun 13, 2006·23 cites·37 claims
- 1185US7199869B2Combined Bragg grating wavelength interrogator and Brillouin backscattering measuring instrumentWEATHERFORD LAMB·Filed 2003·Granted Apr 3, 2007·60 cites·24 claims
- 1285US6601411B2Method for annealing an optical waveguide having a bragg grating to accelerate ageingCIDRA CORP·Filed 2001·Granted Aug 5, 2003·14 cites·18 claims
- 1383US7512292B2Multi-core strain compensated optical fiber temperature sensorWEATHERFORD LAMB·Filed 2006·Granted Mar 31, 2009·10 cites·8 claims
- 1482US9335224B2High temperature fiber optic turnaroundMACDOUGALL TREVOR WAYNE·Filed 2011·Granted May 10, 2016·4 cites·19 claims
- 1581US6633695B2Compression-tuned grating-based optical add/drop multiplexerCIDRA CORP·Filed 2001·Granted Oct 14, 2003·16 cites·39 claims
- 1680US10598544B2Low crosstalk, common path, dual ring sagnac interferometer for disturbance sensingLUXPOINT INC·Filed 2018·Granted Mar 24, 2020·3 cites·5 claims
- 1778US7894061B2Polarization based fiber optic downhole flowmeterQOREX LLC·Filed 2008·Granted Feb 22, 2011·11 cites·18 claims
- 1877US7008103B2Method and apparatus for temperature sensing utilizing optical fiberWEATHERFORD LAMB·Filed 2005·Granted Mar 7, 2006·7 cites·17 claims
- 1974US7173696B2Polarization mitigation techniqueWEATHERFORD LAMB·Filed 2003·Granted Feb 6, 2007·14 cites·35 claims
- 2072US7437044B2Pure silica core, high birefringence, single polarization optical waveguideWEATHERFORD LAMB·Filed 2006·Granted Oct 14, 2008·1 cites·21 claims
- 2171US7903908B2Multi-core strain compensated optical fiber temperature sensorWEATHERFORD LAMB·Filed 2009·Granted Mar 8, 2011·4 cites·12 claims
- 2269US9477042B2Large diameter optical waveguide spliceFERNALD MARK R·Filed 2011·Granted Oct 25, 2016·2 cites·20 claims
- 2368US7036379B2Fluid diffusion resistant glass-encased optical sensorWEATHERFORD LAMB·Filed 2005·Granted May 2, 2006·5 cites·20 claims
- 2467US8737774B2Array temperature sensing method and systemMACDOUGALL TREVOR·Filed 2006·Granted May 27, 2014·5 cites·17 claims
- 2567US7585107B2Corrected DTS measurements based on Raman-Stokes signalsWEATHERFORD LAMB·Filed 2006·Granted Sep 8, 2009·6 cites·13 claims
- 2667US7129470B2Optical sensor using a long period grating suitable for dynamic interrogationWEATHERFORD LAMB·Filed 2003·Granted Oct 31, 2006·12 cites·74 claims
- 2767US6877378B2Fluid diffusion resistant glass-encased optical sensorWEATHERFORD LAMB·Filed 2003·Granted Apr 12, 2005·9 cites·45 claims
- 2866US8973445B2Multi-mode holographic pressure sensorMACDOUGALL TREVOR WAYNE·Filed 2012·Granted Mar 10, 2015·3 cites·19 claims
- 2966US7907807B2Pure silica core, high birefringence, single polarization optical waveguideWEATHERFORD LAMB·Filed 2008·Granted Mar 15, 2011·0 cites·21 claims
- 3066US5780847AVerdet constant temperature-compensated current sensorMINNESOTA MINING & MFG·Filed 1997·Granted Jul 14, 1998·26 cites·20 claims
- 3165US7411676B2Polarization mitigation techniqueWEATHERFORD LAMB·Filed 2007·Granted Aug 12, 2008·2 cites·11 claims
- 3261US11911630B1Small profile light therapy probeLUMEDA INC·Filed 2022·Granted Feb 27, 2024·0 cites·23 claims
- 3361US7583371B2Combined bragg grating wavelength interrogator and brillouin backscattering measuring instrumentWEATHERFORD LAMB·Filed 2007·Granted Sep 1, 2009·5 cites·13 claims
- 3460US11947146B2Configurable optical applicatorLUMEDA INC·Filed 2022·Granted Apr 2, 2024·0 cites·8 claims
- 3560US5221308ALow loss infrared transmitting hollow core optical fiber method of manufactureMINNESOTA MINING & MFG·Filed 1990·Granted Jun 22, 1993·22 cites·3 claims
- 3658US9052244B2Array temperature sensing method and systemWEATHERFORD LAMB·Filed 2014·Granted Jun 9, 2015·0 cites·15 claims
- 3758US8552360B2Wavelength sweep controlTAVERNER DOMINO·Filed 2007·Granted Oct 8, 2013·2 cites·8 claims
- 3858US7496255B2Radiation-transmissive films on glass articles3M INNOVATIVE PROPERTIES CO·Filed 2004·Granted Feb 24, 2009·4 cites·20 claims
- 3958US6529671B2Passively compensated optical fibers3M INNOVATIVE PROPERTIES CO·Filed 2001·Granted Mar 4, 2003·5 cites·3 claims
- 4056US7068897B2Method for restoring or increasing photosensitivity in hydrogen or deuterium loaded large diameter optical waveguideCIDRA CORP·Filed 2003·Granted Jun 27, 2006·4 cites·11 claims
- 4156US6910803B2Method and apparatus for temperature sensing utilizing Brillouin scattering in polarization maintaining optical fiberWEATHERFORD LAMB·Filed 2003·Granted Jun 28, 2005·4 cites·18 claims
- 4255US2024082598A1Optical surface applicator with forward and backward projectionLUMEDA INC·Filed 2022·Application pending·0 cites
- 4354US11925814B2Optical applicator feature optimizerLUMEDA INC·Filed 2021·Granted Mar 12, 2024·0 cites·9 claims
- 4454US11666778B2Optical surface applicator with integrated diffuserLUMEDA INC·Filed 2021·Granted Jun 6, 2023·0 cites·20 claims
- 4552US12048508B2Direct in-vivo tumor imaging using optical applicatorLUMEDA INC·Filed 2021·Granted Jul 30, 2024·0 cites·21 claims
- 4652US8864374B2Low profile, high temperature, hydrogen tolerant optical sensing cableMACDOUGALL TREVOR WAYNE·Filed 2011·Granted Oct 21, 2014·0 cites·20 claims
- 4751US11925813B1Interstitial photodynamic therapy probe delivery deviceLUMEDA INC·Filed 2023·Granted Mar 12, 2024·0 cites·21 claims
- 4851US8070369B2Large diameter optical waveguide spliceFERNALD MARK R·Filed 2004·Granted Dec 6, 2011·3 cites·9 claims
- 4951US5553173AFaraday-effect sensing coil with stable birefringence and method of making sameMINNESOTA MINING & MFG·Filed 1995·Granted Sep 3, 1996·13 cites·15 claims
- 5050US11786749B2Time mulitplexed dosimetry system and methodLUMEDA INC·Filed 2021·Granted Oct 17, 2023·0 cites·6 claims
Showing the top 50 of 71 patent records by PatentIndex Score.
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