Inventor · disambiguated record
Stephen R. Lewis
Also filed as: LEWIS STEPHEN · LEWIS STEPHEN R · LEWIS STEPHEN ROBERT
81 granted patents·21 pending applications·1,127 citations·filing 1987–2020
99Inventor score
Top patents by PatentIndex Score
102 records- 0198US10711754B2Valve assembly having electrical actuator with stepped armatureCATERPILLAR INC·Filed 2017·Granted Jul 14, 2020·30 cites·15 claims
- 0298US7839356B2Display methods and apparatusPIXTRONIX INC·Filed 2007·Granted Nov 23, 2010·50 cites·29 claims
- 0397US7714483B2Fuel injector having piezoelectric actuator with preload control element and methodCATERPILLAR INC·Filed 2008·Granted May 11, 2010·45 cites·8 claims
- 0496US8310442B2Circuits for controlling display apparatusHAGOOD NESBITT W·Filed 2006·Granted Nov 13, 2012·21 cites·17 claims
- 0596US8159428B2Display methods and apparatusHAGOOD NESBITT W·Filed 2006·Granted Apr 17, 2012·25 cites·52 claims
- 0696US7755582B2Display methods and apparatusPIXTRONIX INC·Filed 2006·Granted Jul 13, 2010·34 cites·40 claims
- 0796US7742016B2Display methods and apparatusPIXTRONIX INC·Filed 2006·Granted Jun 22, 2010·31 cites·22 claims
- 0896US4808908ACurvature correction of bipolar bandgap referencesANALOG DEVICES INC·Filed 1988·Granted Feb 28, 1989·77 cites·4 claims
- 0995US9087486B2Circuits for controlling display apparatusGANDHI JIGNESH·Filed 2011·Granted Jul 21, 2015·18 cites·19 claims
- 1095US8519945B2Circuits for controlling display apparatusHAGOOD NESBITT W·Filed 2007·Granted Aug 27, 2013·18 cites·35 claims
- 1195US4791318AMOS threshold control circuitANALOG DEVICES INC·Filed 1987·Granted Dec 13, 1988·82 cites·14 claims
- 1294US11174827B1Fuel injector with internal radial seal with thin wall counterboreCATERPILLAR INC·Filed 2020·Granted Nov 16, 2021·7 cites·20 claims
- 1394US8519923B2Display methods and apparatusHAGOOD IV NESBITT W·Filed 2012·Granted Aug 27, 2013·13 cites·30 claims
- 1493US6026786AMethod and apparatus for controlling a fuel injector assembly of an internal combustion engineCATERPILLAR INC·Filed 1997·Granted Feb 22, 2000·110 cites·19 claims
- 1593US5583290AMicromechanical apparatus with limited actuation bandwidthANALOG DEVICES INC·Filed 1994·Granted Dec 10, 1996·81 cites·26 claims
- 1692US9158106B2Display methods and apparatusHAGOOD NESBITT W·Filed 2006·Granted Oct 13, 2015·10 cites·40 claims
- 1792US8482496B2Circuits for controlling MEMS display apparatus on a transparent substrateLEWIS STEPHEN R·Filed 2007·Granted Jul 9, 2013·13 cites·44 claims
- 1890US9135868B2Direct-view MEMS display devices and methods for generating images thereonHAGOOD IV NESBITT W·Filed 2012·Granted Sep 15, 2015·6 cites·20 claims
- 1990US7111613B1Fuel injector control system and methodCATERPILLAR INC·Filed 2005·Granted Sep 26, 2006·21 cites·20 claims
- 2089US9177523B2Circuits for controlling display apparatusPIXTRONIX INC·Filed 2013·Granted Nov 3, 2015·5 cites·20 claims
- 2189US8214132B2Efficient wave form to control fuel systemBUNNI NADEEM·Filed 2010·Granted Jul 3, 2012·20 cites·20 claims
- 2288US5511420AElectric field attraction minimization circuitANALOG DEVICES INC·Filed 1994·Granted Apr 30, 1996·66 cites·16 claims
- 2387US11248575B1Fuel injector with internal leak passage to injector drainCATERPILLAR INC·Filed 2020·Granted Feb 15, 2022·2 cites·19 claims
- 2487US6598591B2Measuring check motion through pressure sensingCATERPILLAR INC·Filed 2001·Granted Jul 29, 2003·26 cites·18 claims
- 2586US9082353B2Circuits for controlling display apparatusLEWIS STEPHEN R·Filed 2010·Granted Jul 14, 2015·8 cites·16 claims
- 2686US8967037B2Thrust lubrication strategy for roller lifters of a common rail fuel pumpJONES CHRISTOPHER ROBERT·Filed 2011·Granted Mar 3, 2015·7 cites·15 claims
- 2784US9341153B2System and method for internal cooling of a fuel injectorCATERPILLAR INC·Filed 2013·Granted May 17, 2016·4 cites·16 claims
- 2883US7866301B2Self-guided armature in single pole solenoid actuator assembly and fuel injector using sameCATERPILLAR INC·Filed 2009·Granted Jan 11, 2011·12 cites·14 claims
- 2982US9530344B2Circuits for controlling display apparatusPIXTRONIX INC·Filed 2015·Granted Dec 27, 2016·3 cites·20 claims
- 3082US8690118B2Solenoid actuated device and methodsBUNNI NADEEM N·Filed 2010·Granted Apr 8, 2014·7 cites·14 claims
- 3182US6684854B2Auxiliary systems for an engine having two electrical actuators on a single circuitCATERPILLAR INC·Filed 2001·Granted Feb 3, 2004·23 cites·20 claims
- 3281US6880766B2Leak arrest volume for reducing component separation and fuel injector using sameCATERPILLAR INC·Filed 2003·Granted Apr 19, 2005·21 cites·15 claims
- 3379US8505514B2Fluid injector with auxiliary filling orificeFANG DIANQI·Filed 2010·Granted Aug 13, 2013·6 cites·21 claims
- 3479US7584747B1Cam assisted common rail fuel system and engine using sameCATERPILLAR INC·Filed 2008·Granted Sep 8, 2009·9 cites·18 claims
- 3578US6976474B1Mechanically actuated, electronically controlled fuel injection systemCATERPILLAR INC·Filed 2004·Granted Dec 20, 2005·18 cites·20 claims
- 3676US9159277B2Circuits for controlling an array of light modulators of a display apparatus to generate display imagesPIXTRONIX INC·Filed 2012·Granted Oct 13, 2015·2 cites·23 claims
- 3775US9322869B2Display apparatus including dummy display element for TFT testingPIXTRONIX INC·Filed 2014·Granted Apr 26, 2016·2 cites·20 claims
- 3875US8100346B2Piezoelectric actuator with multi-function spring and device using sameVENKATARAGHAVAN JAYARAMAN·Filed 2007·Granted Jan 24, 2012·9 cites·15 claims
- 3974US8083206B2Precision ground armature assembly for solenoid actuator and fuel injector using sameMANUBOLU AVINASH R·Filed 2008·Granted Dec 27, 2011·6 cites·20 claims
- 4074US7963464B2Fuel injector and method of assembly thereforCATERPILLAR INC·Filed 2008·Granted Jun 21, 2011·6 cites·4 claims
- 4173US8074903B2Stator assembly and fuel injector using sameVENKATARAGHAVAN JAYARAMANARAMAN K·Filed 2009·Granted Dec 13, 2011·9 cites·15 claims
- 4273US7765877B2System for preloading piezoelectric actuators and methodCATERPILLAR INC·Filed 2007·Granted Aug 3, 2010·6 cites·14 claims
- 4372US7997145B2System for preloading piezoelectric actuators and methodCATERPILLAR INC·Filed 2010·Granted Aug 16, 2011·3 cites·5 claims
- 4472US7665445B2Motion coupler for a piezoelectric actuatorCATERPILLAR INC·Filed 2008·Granted Feb 23, 2010·6 cites·22 claims
- 4571US7886718B2Fuel injector having integral body guide and nozzle case for pressure containmentCATERPILLAR INC·Filed 2008·Granted Feb 15, 2011·6 cites·20 claims
- 4671US4891645ADigital-to-analog converter with on-board unity gain inverting amplifierANALOG DEVICES INC·Filed 1988·Granted Jan 2, 1990·23 cites·10 claims
- 4770US9239457B2Circuits for controlling display apparatusLEWIS STEPHEN R·Filed 2012·Granted Jan 19, 2016·1 cites·11 claims
- 4870US8960159B2Drain for fuel pumpJONES CHRISTOPHER ROBERT·Filed 2012·Granted Feb 24, 2015·2 cites·19 claims
- 4970US8333336B2Cavitation erosion reduction strategy for valve member and fuel injector utilizing sameLEWIS STEPHEN R·Filed 2007·Granted Dec 18, 2012·6 cites·13 claims
- 5070US7950596B2Distributed stiffness biasing spring for actuator system and fuel injector using sameCATERPILLAR INC·Filed 2008·Granted May 31, 2011·6 cites·19 claims
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 →