Inventor · disambiguated record
Craig D. Marriott
Also filed as: MARRIOTT CRAIG · MARRIOTT CRAIG D
35 granted patents·2 pending applications·361 citations·filing 1999–2015
97Inventor score
Files withGM GLOBAL TECH OPERATIONS INC14MARRIOTT CRAIG D8GEN MOTORS CORP4WESTPORT POWER INC2BRENNAN DANIEL G1
Top patents by PatentIndex Score
37 records- 0196US8631688B1System and method for detecting a fault in a pressure sensor that measures pressure in a hydraulic valve actuation systemRAYL ALLEN B·Filed 2012·Granted Jan 21, 2014·20 cites·20 claims
- 0294US6155220APiezoelectric differential cam phaserGEN MOTORS CORP·Filed 1999·Granted Dec 5, 2000·63 cites·17 claims
- 0393US8061318B2Method and apparatus for continuously variable differential phasing of engine valve operationCLEARY DAVID J·Filed 2008·Granted Nov 22, 2011·28 cites·15 claims
- 0492US7685976B2Induction tuning using multiple intake valve lift eventsGM GLOBAL TECH OPERATIONS INC·Filed 2006·Granted Mar 30, 2010·30 cites·19 claims
- 0591US6935295B2Combustion-assisted engine start/stop operation with cylinder/valve deactivationGEN MOTORS CORP·Filed 2003·Granted Aug 30, 2005·42 cites·17 claims
- 0689US7931008B2Systems and methods for detecting failed injection eventsGM GLOBAL TECH OPERATIONS INC·Filed 2009·Granted Apr 26, 2011·14 cites·20 claims
- 0786US6668789B1Internal combustion engine using premixed combustion of stratified chargesWISCONSIN ALUMNI RES FOUND·Filed 2001·Granted Dec 30, 2003·30 cites·18 claims
- 0882US9909513B2Fuel system protection in a multi-fuel system internal combustion engineWESTPORT POWER INC·Filed 2014·Granted Mar 6, 2018·5 cites·17 claims
- 0982US7464677B2Compact lash adjuster feed channel apparatusGM GLOBAL TECH OPERATIONS INC·Filed 2006·Granted Dec 16, 2008·7 cites·14 claims
- 1081US9303605B2System and method for circulating fuel through a direct injection pump of a bi-fuel engineMARRIOTT CRAIG D·Filed 2011·Granted Apr 5, 2016·5 cites·20 claims
- 1181US7832374B2Fuel pressure amplifierGM GLOBAL TECH OPERATIONS INC·Filed 2008·Granted Nov 16, 2010·10 cites·20 claims
- 1281US7677155B2Statically sealed high pressure fuel pump and methodGM GLOBAL TECH OPERATIONS INC·Filed 2006·Granted Mar 16, 2010·8 cites·14 claims
- 1379US9476367B2Fuel system protection in a multi-fuel engineWESTPORT POWER INC·Filed 2015·Granted Oct 25, 2016·2 cites·14 claims
- 1479US7032549B1Valve lift sensorGEN MOTORS CORP·Filed 2004·Granted Apr 25, 2006·16 cites·16 claims
- 1578US8096275B2Camshaft having a tuned mass damperMARRIOTT CRAIG D·Filed 2009·Granted Jan 17, 2012·6 cites·20 claims
- 1678US7373908B2Reduced noise engine start-stop system using traditional crank deviceGM GLOBAL TECH OPERATIONS INC·Filed 2006·Granted May 20, 2008·11 cites·27 claims
- 1777US7644688B2Valve actuator assembly having a center biased spool valve with detent featureGM GLOBAL TECH OPERATIONS INC·Filed 2006·Granted Jan 12, 2010·9 cites·7 claims
- 1877US7523723B2System and method for determining ethanol content in fuelGM GLOBAL TECH OPERATIONS INC·Filed 2007·Granted Apr 28, 2009·12 cites·21 claims
- 1977US7513226B2Hydraulic control system for a switching valve trainGM GLOBAL TECH OPERATIONS INC·Filed 2007·Granted Apr 7, 2009·6 cites·14 claims
- 2073US9284894B2Reduced torque variation for engines with active fuel managementGM GLOBAL TECH OPERATIONS INC·Filed 2013·Granted Mar 15, 2016·3 cites·20 claims
- 2171US8775054B2Cold start engine control systems and methodsVINCENZI RICARDO·Filed 2012·Granted Jul 8, 2014·5 cites·20 claims
- 2271US8047065B2Diagnostic system for valve actuation camshaft driven component compensationGM GLOBAL TECH OPERATIONS INC·Filed 2009·Granted Nov 1, 2011·6 cites·18 claims
- 2370US9097224B2Multi-fuel vehicle fuel control systems and methodsMOSCHEROSCH BEN W·Filed 2011·Granted Aug 4, 2015·5 cites·16 claims
- 2464US8839750B2System and method for controlling hydraulic pressure in electro-hydraulic valve actuation systemsBRENNAN DANIEL G·Filed 2010·Granted Sep 23, 2014·1 cites·19 claims
- 2563US7849839B2Pre-heating fuel for cold startGM GLOBAL TECH OPERATIONS INC·Filed 2007·Granted Dec 14, 2010·5 cites·21 claims
- 2662US8590507B2Variable valve actuation control systems and methodsMARRIOTT CRAIG D·Filed 2009·Granted Nov 26, 2013·2 cites·20 claims
- 2762US7891329B2Compact lash adjuster feed channel apparatusGM GLOBAL TECH OPERATIONS INC·Filed 2008·Granted Feb 22, 2011·2 cites·11 claims
- 2861US8798891B2System and method for increasing operating efficiency of a hybrid vehicleMARRIOTT CRAIG D·Filed 2011·Granted Aug 5, 2014·2 cites·20 claims
- 2954US8534263B2Bi-fuel engine including system and method for reducing component temperatureMARRIOTT CRAIG D·Filed 2011·Granted Sep 17, 2013·2 cites·8 claims
- 3054US8074614B2Integrated hydraulic cooler and return rail in camless cylinder headMARRIOTT CRAIG D·Filed 2008·Granted Dec 13, 2011·1 cites·20 claims
- 3148US6755162B1Distributed accumulator for hydraulic camless valve actuation systemGEN MOTORS CORP·Filed 2003·Granted Jun 29, 2004·3 cites·20 claims
- 3245US8453619B2Hydraulic engine valve actuation system including independent feedback controlMARRIOTT CRAIG D·Filed 2011·Granted Jun 4, 2013·0 cites·20 claims
- 3344US8752519B2Air assist start stop methods and systemsMARRIOTT CRAIG D·Filed 2009·Granted Jun 17, 2014·0 cites·19 claims
- 3440US8478476B2System for detecting operating errors in a variable valve timing engine using pressure sensorsWILES MATTHEW A·Filed 2010·Granted Jul 2, 2013·0 cites·16 claims
- 3537US2009234561A1Method to enable direct injection of e85 in flex fuel vehicles by adjusting the start of injectionGM GLOBAL TECH OPERATIONS INC·Filed 2008·Application pending·0 cites
- 3633US8868269B2System and method for increasing operating efficiency of a hybrid vehicleDOUGLAS SCOT A·Filed 2011·Granted Oct 21, 2014·0 cites·17 claims
- 3733US2005161013A1Efficient internal combustion engine operation using intake manifold tuningFiled 2004·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →