Inventor · disambiguated record
Alan W. Hayman
Also filed as: HAYMAN ALAN W · HAYMAN ALAN WILLIAM
67 granted patents·16 pending applications·695 citations·filing 1995–2017
99Inventor score
Files withHAYMAN ALAN W26GM GLOBAL TECH OPERATIONS LLC18GEN MOTORS CORP17GM GLOBAL TECH OPERATIONS INC17GALLON ROBERT JACK3
Top patents by PatentIndex Score
83 records- 0198US6769387B2Compact two-step rocker arm assemblyGEN MOTORS CORP·Filed 2003·Granted Aug 3, 2004·111 cites·20 claims
- 0297US8539768B2Exhaust bypass system for turbocharged engine with dedicated exhaust gas recirculationHAYMAN ALAN W·Filed 2011·Granted Sep 24, 2013·28 cites·19 claims
- 0396US8915081B2Internal combustion engineHAYMAN ALAN W·Filed 2012·Granted Dec 23, 2014·20 cites·12 claims
- 0496US6763797B1Engine oil system with variable displacement pumpGEN MOTORS CORP·Filed 2003·Granted Jul 20, 2004·82 cites·18 claims
- 0595US8904786B2Internal combustion engineHAYMAN ALAN W·Filed 2011·Granted Dec 9, 2014·14 cites·19 claims
- 0694US8935917B2Partially integrated exhaust manifoldGM GLOBAL TECH OPERATIONS INC·Filed 2013·Granted Jan 20, 2015·13 cites·20 claims
- 0791US9341128B2Fuel consumption based cylinder activation and deactivation control systems and methodsGM GLOBAL TECH OPERATIONS INC·Filed 2014·Granted May 17, 2016·9 cites·20 claims
- 0891US6644437B1Vehicle exhaust with length-equalizing mufflerGEN MOTORS CORP·Filed 2002·Granted Nov 11, 2003·34 cites·12 claims
- 0990US8763570B2Engine assembly including multiple bore center pitch dimensionsHAYMAN ALAN W·Filed 2011·Granted Jul 1, 2014·10 cites·18 claims
- 1089US10494964B2Oil pan having small active volume oil reservoir and methods of using the sameGM GLOBAL TECH OPERATIONS LLC·Filed 2017·Granted Dec 3, 2019·7 cites·20 claims
- 1189US9670823B2Engine with a turbocharger cooling moduleGM GLOBAL TECH OPERATIONS LLC·Filed 2015·Granted Jun 6, 2017·6 cites·20 claims
- 1289US6915775B2Engine operating method and apparatusGEN MOTORS CORP·Filed 2003·Granted Jul 12, 2005·29 cites·6 claims
- 1389US6601557B1Engine oil pump and balance shaft moduleGEN MOTORS CORP·Filed 2001·Granted Aug 5, 2003·34 cites·8 claims
- 1489US6505589B1Single cam three-valve engine overhead valve trainGEN MOTORS CORP·Filed 2002·Granted Jan 14, 2003·34 cites·9 claims
- 1588US10323601B2Cooling jacket for cylinder headGM GLOBAL TECH OPERATIONS LLC·Filed 2017·Granted Jun 18, 2019·2 cites·19 claims
- 1688US9435298B2Dedicated EGR engine with dynamic load controlGM GLOBAL TECH OPERATIONS LLC·Filed 2013·Granted Sep 6, 2016·7 cites·6 claims
- 1787US8671920B2Internal combustion engineHAYMAN ALAN W·Filed 2011·Granted Mar 18, 2014·9 cites·12 claims
- 1885US9574537B2Fuel rail for an internal combustion engineGM GLOBAL TECH OPERATIONS LLC·Filed 2015·Granted Feb 21, 2017·3 cites·8 claims
- 1983US9650989B2Dimpled surface features for radiated noise attenuation in engine front coversGM GLOBAL TECH OPERATIONS LLC·Filed 2013·Granted May 16, 2017·3 cites·19 claims
- 2082US8667953B2Cylinder deactivation to reduce fuel enrichment after fuel cutoff modesGALLON ROBERT JACK·Filed 2009·Granted Mar 11, 2014·13 cites·14 claims
- 2182US7516728B1Windage trayGM GLOBAL TECH OPERATIONS INC·Filed 2007·Granted Apr 14, 2009·10 cites·17 claims
- 2282US7051685B2Cylinder head with integrated exhaust manifoldGEN MOTORS CORP·Filed 2004·Granted May 30, 2006·29 cites·16 claims
- 2382US6505592B1Valve train for twin cam three-valve engineGEN MOTORS CORP·Filed 2001·Granted Jan 14, 2003·21 cites·9 claims
- 2480US9121338B1Two-stage turbocharger system for internal combustion engines featuring cylinder deactivationGM GLOBAL TECH OPERATIONS INC·Filed 2014·Granted Sep 1, 2015·6 cites·5 claims
- 2580US8443603B2Intake manifold assembly for dedicated exhaust gas recirculationHAYMAN ALAN W·Filed 2011·Granted May 21, 2013·4 cites·20 claims
- 2679US10190482B2Air inlet assembly for an internal combustion engineGM GLOBAL TECH OPERATIONS LLC·Filed 2015·Granted Jan 29, 2019·2 cites·12 claims
- 2779US9810173B2Engine assemblyGM GLOBAL TECH OPERATIONS LLC·Filed 2015·Granted Nov 7, 2017·1 cites·18 claims
- 2878US5560329AValvetrain for a pushrod engineGEN MOTORS CORP·Filed 1995·Granted Oct 1, 1996·31 cites·3 claims
- 2977US8887680B2Engine assembly including modified camshaft arrangementHAYMAN ALAN W·Filed 2011·Granted Nov 18, 2014·3 cites·11 claims
- 3077US6832583B2Direct acting differential two-step valve trainGEN MOTORS CORP·Filed 2003·Granted Dec 21, 2004·18 cites·12 claims
- 3176US6732506B2Cylinder deactivation system and NOx trap regenerationGEN MOTORS CORP·Filed 2002·Granted May 11, 2004·23 cites·7 claims
- 3275US7628142B2Remotely mounted high-pressure fuel pump assemblyGM GLOBAL TECH OPERATIONS INC·Filed 2007·Granted Dec 8, 2009·8 cites·11 claims
- 3375US6668546B2Utilization of air-assisted direct injection, cylinder deactivation and camshaft phasing for improved catalytic converter light-off in internal combustion enginesGEN MOTORS CORP·Filed 2002·Granted Dec 30, 2003·23 cites·41 claims
- 3472US8307800B2Engine having camshaft lubrication railSTALEY DAVID R·Filed 2010·Granted Nov 13, 2012·2 cites·10 claims
- 3571US8109246B2Camshaft damping mechanism and method of assemblyGALLON ROBERT JACK·Filed 2009·Granted Feb 7, 2012·4 cites·20 claims
- 3670US9022168B2Powertrain and steering assembly layoutGM GLOBAL TECH OPERATIONS INC·Filed 2013·Granted May 5, 2015·4 cites·19 claims
- 3767US9297318B2Crankshaft for variable displacement internal combustion engineGM GLOBAL TECH OPERATIONS INC·Filed 2013·Granted Mar 29, 2016·1 cites·6 claims
- 3867US8544436B2Engine assembly including camshaft with multimode lobeHAYMAN ALAN W·Filed 2010·Granted Oct 1, 2013·1 cites·17 claims
- 3966US9322364B2Engine inlet for EGR-air flow distributionGM GLOBAL TECH OPERATIONS INC·Filed 2013·Granted Apr 26, 2016·1 cites·18 claims
- 4065US8794204B2Valvetrain for overhead valve engineHAYMAN ALAN W·Filed 2009·Granted Aug 5, 2014·3 cites·13 claims
- 4165US6735863B1Method of engine cylinder bore enlargementGEN MOTORS CORP·Filed 2002·Granted May 18, 2004·10 cites·5 claims
- 4263US8714295B2Internal combustion engine and vehicle packaging for sameHAYMAN ALAN W·Filed 2011·Granted May 6, 2014·1 cites·20 claims
- 4361US8662033B2Modular engine assembly and fluid control assembly for hydraulically-actuated mechanismGALLON ROBERT JACK·Filed 2010·Granted Mar 4, 2014·1 cites·20 claims
- 4459US9103305B2Internal combustion engineHAYMAN ALAN W·Filed 2011·Granted Aug 11, 2015·1 cites·20 claims
- 4558US2016258369A1Dedicated egr engine with dynamic load controlGM GLOBAL TECH OPERATIONS LLC·Filed 2016·Application pending·0 cites
- 4656US2018112633A1Method for operating an internal combustion engine employing a dedicated-cylinder egr systemGM GLOBAL TECH OPERATIONS LLC·Filed 2016·Application pending·0 cites
- 4755US10378393B2Cam follower assembly and method of manufacturing thereofGM GLOBAL TECH OPERATIONS LLC·Filed 2017·Granted Aug 13, 2019·0 cites·15 claims
- 4855US9797512B2Piston pin with outer member and core and method of manufacturing a piston pinGM GLOBAL TECH OPERATIONS LLC·Filed 2015·Granted Oct 24, 2017·0 cites·22 claims
- 4955US7878168B2High performance overhead valvetrain assemblyGM GLOBAL TECH OPERATIONS INC·Filed 2007·Granted Feb 1, 2011·1 cites·19 claims
- 5055US7753017B2Hydraulically lashed end pivot rocker armGM GLOBAL TECH OPERATIONS INC·Filed 2007·Granted Jul 13, 2010·1 cites·20 claims
Showing the top 50 of 83 patent records by PatentIndex Score.
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