Inventor · disambiguated record
John D. Watson
Also filed as: WATSON JOHN · WATSON JOHN D · WATSON JOHN DAVID · WATSON SR JOHN D
87 granted patents·15 pending applications·1,912 citations·filing 1974–2024
99Inventor score
Top patents by PatentIndex Score
102 records- 0198US7349797B2Emission management for a hybrid locomotiveRAILPOWER TECHNOLOGIES CORP·Filed 2005·Granted Mar 25, 2008·115 cites·35 claims
- 0295US7518254B2Multiple prime power source locomotive controlRAILPOWER TECHNOLOGIES CORP·Filed 2006·Granted Apr 14, 2009·68 cites·32 claims
- 0395US7064507B2Managing wheel skid in a locomotiveRAILPOWER TECHNOLOGIES CORP·Filed 2005·Granted Jun 20, 2006·27 cites·20 claims
- 0494US9284178B2Multi-fuel service stationICR TURBINE ENGINE CORP·Filed 2012·Granted Mar 15, 2016·17 cites·16 claims
- 0593US9739419B2Multi-fuel service stationRHT RAILHAUL TECH·Filed 2016·Granted Aug 22, 2017·12 cites·6 claims
- 0693US8499874B2Gas turbine energy storage and conversion systemDEWIS DAVID WILLIAM·Filed 2010·Granted Aug 6, 2013·29 cites·15 claims
- 0793US7906862B2Multiple prime power source locomotive controlRAILPOWER LLC·Filed 2006·Granted Mar 15, 2011·44 cites·36 claims
- 0892US7507500B2Design of a large battery pack for a hybrid locomotiveRAILPOWER TECHNOLOGIES CORP·Filed 2005·Granted Mar 24, 2009·62 cites·10 claims
- 0992US7192092B2Method and means for recovering hydrocarbons from oil sands by underground miningOIL SANDS UNDERGROUND MINING C·Filed 2005·Granted Mar 20, 2007·53 cites·19 claims
- 1092US7084602B2Predicting wheel slip and skid in a locomotiveRAILPOWER TECHNOLOGIES CORP·Filed 2005·Granted Aug 1, 2006·27 cites·42 claims
- 1191US7984822B2Kiln lid lift apparatusEVENHEAT KILN INC·Filed 2010·Granted Jul 26, 2011·6 cites·20 claims
- 1291US7944081B2Multi-power source locomotive control method and systemRAILPOWER LLC·Filed 2010·Granted May 17, 2011·22 cites·20 claims
- 1391US7940016B2Regenerative braking methods for a hybrid locomotiveRAILPOWER LLC·Filed 2005·Granted May 10, 2011·42 cites·51 claims
- 1491US7667347B2Multi-power source locomotive control method and systemRAILPOWER LLC·Filed 2008·Granted Feb 23, 2010·43 cites·27 claims
- 1591US6929330B2Method and system for mining hydrocarbon-containing materialsOIL SANDS UNDERGROUND MINING I·Filed 2002·Granted Aug 16, 2005·56 cites·87 claims
- 1690US6554368B2Method and system for mining hydrocarbon-containing materialsOIL SANDS UNDERGROUND MINING I·Filed 2001·Granted Apr 29, 2003·52 cites·79 claims
- 1790US4849699AExtended range, pulsed induction logging tool and method of useMPI INC·Filed 1987·Granted Jul 18, 1989·85 cites·25 claims
- 1889US8815083B2Treating sulfur containing hydrocarbons recovered from hydrocarbonaceous depositsMERICHEM CO·Filed 2012·Granted Aug 26, 2014·9 cites·19 claims
- 1989US5308149ANon-explosive drill hole pressurization method and apparatus for controlled fragmentation of hard compact rock and concreteSUNBURST EXCAVATION INC·Filed 1992·Granted May 3, 1994·75 cites·29 claims
- 2089US4269331AMetered dispensing deviceWATSON JOHN D·Filed 1980·Granted May 26, 1981·74 cites·2 claims
- 2188US8127865B2Method of drilling from a shaft for underground recovery of hydrocarbonsWATSON JOHN DAVID·Filed 2007·Granted Mar 6, 2012·41 cites·6 claims
- 2288US6435096B1Method and apparatus for controlled small-charge blasting by decoupled explosiveROCKTEK LTD·Filed 2000·Granted Aug 20, 2002·30 cites·16 claims
- 2388US4164325AHigh-pressure-rotary-nozzle apparatusWATSON JOHN D·Filed 1977·Granted Aug 14, 1979·63 cites·9 claims
- 2487US6869147B2Method and system for mining hydrocarbon-containing materialsOIL SANDS UNDERGROUND MINING I·Filed 2003·Granted Mar 22, 2005·40 cites·92 claims
- 2585US6086716AWet end control for papermaking machineHONEYWELL MEASUREX CORP·Filed 1998·Granted Jul 11, 2000·46 cites·34 claims
- 2684US8091495B2Compressed natural gas bargeDONNELLY FRANK WEGNER·Filed 2009·Granted Jan 10, 2012·14 cites·19 claims
- 2783US8244419B2Marine power train system and method of storing energy in a marine vehicleWEGNER-DONNELLY FRANK·Filed 2007·Granted Aug 14, 2012·25 cites·22 claims
- 2882US5576815ADevelopment apparatus for a liquid electrographic imaging systemMINNESOTA MINING & MFG·Filed 1995·Granted Nov 19, 1996·31 cites·24 claims
- 2981US8215437B2Regenerative braking for gas turbine systemsWATSON JOHN D·Filed 2009·Granted Jul 10, 2012·12 cites·12 claims
- 3081US7097255B2Method and means for processing oil sands while excavatingOIL SANDS UNDERGROUND MINING C·Filed 2003·Granted Aug 29, 2006·29 cites·94 claims
- 3180US7124691B2Method for monitoring and controlling locomotivesRAILPOWER TECHNOLOGIES CORP·Filed 2003·Granted Oct 24, 2006·55 cites·56 claims
- 3279US11839510B2Composite ultrasound imagesARCSCAN INC·Filed 2021·Granted Dec 12, 2023·1 cites·13 claims
- 3379US10265049B2Combination optical and ultrasonic imaging of an eyeARCSCAN INC·Filed 2016·Granted Apr 23, 2019·3 cites·20 claims
- 3479US9149254B2Alignment and imaging of an eye with an ultrasonic scannerARCSCAN INC·Filed 2012·Granted Oct 6, 2015·11 cites·20 claims
- 3578US9597059B2Correcting for unintended motion for ultrasonic eye scansWATSON JOHN D·Filed 2013·Granted Mar 21, 2017·10 cites·16 claims
- 3678US6035784AMethod and apparatus for controlled small-charge blasting of hard rock and concrete by explosive pressurization of the bottom of a drill holeROCKTEK LTD·Filed 1996·Granted Mar 14, 2000·40 cites·20 claims
- 3777US10531859B2Components for a precision ultrasonic scanning apparatus for body partsARCSCAN INC·Filed 2016·Granted Jan 14, 2020·3 cites·6 claims
- 3877US8317709B2Alignment and imaging of an eye with an ultrasonic scannerEILERS GEORGE J·Filed 2009·Granted Nov 27, 2012·17 cites·20 claims
- 3977US5765923ACartridge for generating high-pressure gases in a drill holeSUNBURST EXCAVATION INC·Filed 1995·Granted Jun 16, 1998·56 cites·24 claims
- 4075US8708083B2Gas turbine energy storage and conversion systemDEWIS DAVID WILLIAM·Filed 2013·Granted Apr 29, 2014·5 cites·15 claims
- 4175US6049682AHard cartridge package for an organic photoreceptor beltIMATION CORP·Filed 1998·Granted Apr 11, 2000·25 cites·22 claims
- 4273US10888301B2Ultrasonic scanning apparatusARCSCAN INC·Filed 2016·Granted Jan 12, 2021·2 cites·19 claims
- 4373US8758252B2Innovative components for an ultrasonic arc scanning apparatusEILERS GEORGE J·Filed 2008·Granted Jun 24, 2014·17 cites·14 claims
- 4473US7448692B2Method and means for processing oil sands while excavatingOSUM OIL SANDS CORP·Filed 2004·Granted Nov 11, 2008·19 cites·26 claims
- 4572US10736605B2Disposable eyepiece system for an ultrasonic eye scanning apparatusARCSCAN INC·Filed 2015·Granted Aug 11, 2020·2 cites·17 claims
- 4672US9320427B2Combination optical and ultrasonic imaging of an eyeLEVIEN ANDREW K·Filed 2013·Granted Apr 26, 2016·7 cites·4 claims
- 4772US9039623B2Compound scanning head for an ultrasonic scanning apparatusEILERS GEORGE J·Filed 2009·Granted May 26, 2015·9 cites·10 claims
- 4871US11426611B2Ultrasound therapeutic and scanning apparatusARCSCAN INC·Filed 2019·Granted Aug 30, 2022·1 cites·20 claims
- 4971US7128375B2Method and means for recovering hydrocarbons from oil sands by underground miningOIL STANDS UNDERGROUND MINING·Filed 2004·Granted Oct 31, 2006·21 cites·53 claims
- 5071US2024366184A1Ultrasound eye scanning deviceARCSCAN INC·Filed 2024·Application pending·0 cites
Showing the top 50 of 102 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →