Inventor · disambiguated record
David P. Sczomak
Also filed as: SCZOMAK DAVID P
26 granted patents·260 citations·filing 1986–2018
96Inventor score
Files withGEN MOTORS CORP8GM GLOBAL TECH OPERATIONS LLC7GM GLOBAL TECH OPERATIONS INC6SCZOMAK DAVID P3SHIBATA JONATHAN T2
Top patents by PatentIndex Score
26 records- 0194US8989989B2System and method for controlling fuel injection in an engine based on piston temperatureSCZOMAK DAVID P·Filed 2012·Granted Mar 24, 2015·17 cites·22 claims
- 0290US9957911B2Dedicated exhaust gas recirculation control systems and methodsGM GLOBAL TECH OPERATIONS LLC·Filed 2016·Granted May 1, 2018·5 cites·20 claims
- 0389US10519883B2Catalyst temperature maintenance systems and methodsGM GLOBAL TECH OPERATIONS LLC·Filed 2018·Granted Dec 31, 2019·3 cites·20 claims
- 0481US10718258B2Spark-ignited direct-injection engine combustion systemsGM GLOBAL TECH OPERATIONS LLC·Filed 2016·Granted Jul 21, 2020·4 cites·20 claims
- 0581US4750675ADamped opening poppet covered orifice fuel injection nozzleGEN MOTORS CORP·Filed 1987·Granted Jun 14, 1988·33 cites·2 claims
- 0676US9328690B2System and method for controlling fuel injection timing to decrease emissions during transient engine operationSHIBATA JONATHAN T·Filed 2010·Granted May 3, 2016·4 cites·26 claims
- 0776US5150694ADiesel engine closed loop air/fuel ratio controlGEN MOTORS CORP·Filed 1991·Granted Sep 29, 1992·31 cites·2 claims
- 0875US7628142B2Remotely mounted high-pressure fuel pump assemblyGM GLOBAL TECH OPERATIONS INC·Filed 2007·Granted Dec 8, 2009·8 cites·11 claims
- 0974US5377651AClosed-loop control of a diesel engineGEN MOTORS CORP·Filed 1993·Granted Jan 3, 1995·30 cites·7 claims
- 1073US9163568B2Cold start systems and methodsSCZOMAK DAVID P·Filed 2009·Granted Oct 20, 2015·7 cites·13 claims
- 1172US7792629B2High pressure pump actuation in a vehicleGM GLOBAL TECH OPERATIONS INC·Filed 2007·Granted Sep 7, 2010·6 cites·23 claims
- 1271US9695772B2System and method for adjusting fuel injection parameters during transient events to reduce particulate emissionsGM GLOBAL TECH OPERATIONS LLC·Filed 2014·Granted Jul 4, 2017·2 cites·24 claims
- 1370US8965667B2Engine startup methodSCZOMAK DAVID P·Filed 2012·Granted Feb 24, 2015·2 cites·10 claims
- 1469US5012785AFuel injection delivery valve with reverse flow ventingGEN MOTORS CORP·Filed 1989·Granted May 7, 1991·21 cites·3 claims
- 1569US4909444APoppet covered orifice fuel injection nozzleGEN MOTORS CORP·Filed 1988·Granted Mar 20, 1990·22 cites·3 claims
- 1668US10077727B2Engine control systems and methods for nitrogen oxide reductionGM GLOBAL TECH OPERATIONS LLC·Filed 2016·Granted Sep 18, 2018·1 cites·4 claims
- 1766US7322339B1Apparent torque reserve at idle for direct injected enginesGM GLOBAL TECH OPERATIONS INC·Filed 2006·Granted Jan 29, 2008·4 cites·20 claims
- 1863US4905908APoppet covered orifice fuel injection nozzleGEN MOTORS CORP·Filed 1988·Granted Mar 6, 1990·18 cites·4 claims
- 1961US5127584AFuel injection nozzleGEN MOTORS CORP·Filed 1991·Granted Jul 7, 1992·19 cites·2 claims
- 2061US4693424APoppet covered orifice fuel injection nozzleGEN MOTORS CORP·Filed 1986·Granted Sep 15, 1987·19 cites·3 claims
- 2160US9677495B2Fuel rail pressure control systems and methodsSHIBATA JONATHAN T·Filed 2011·Granted Jun 13, 2017·2 cites·20 claims
- 2251US7467511B2Emission control strategy for lean idleGM GLOBAL TECH OPERATIONS INC·Filed 2005·Granted Dec 23, 2008·2 cites·12 claims
- 2349US9629189B2System and method for enabling a user to adjust the operation of a powertrain in a vehicle, to adjust the appearance of a user interface device in the vehicle, and/or to adjust vehicle noiseGM GLOBAL TECH OPERATIONS LLC·Filed 2014·Granted Apr 18, 2017·0 cites·22 claims
- 2441US7080630B1Method for calculating cylinder charge during startingGM GLOBAL TECH OPERATIONS INC·Filed 2005·Granted Jul 25, 2006·0 cites·20 claims
- 2539US9915221B2System and method for engine combustionGM GLOBAL TECH OPERATIONS LLC·Filed 2016·Granted Mar 13, 2018·0 cites·11 claims
- 2637US7779810B2Idle stability improvement for direct injected enginesGM GLOBAL TECH OPERATIONS INC·Filed 2006·Granted Aug 24, 2010·0 cites·19 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →