Inventor · disambiguated record
Kevin L. Perry
Also filed as: PERRY KEVIN L
16 granted patents·3 pending applications·99 citations·filing 2008–2014
92Inventor score
Top patents by PatentIndex Score
19 records- 0189US8539760B2Catalyst materials for NOx oxidation in an exhaust aftertreatment system that uses passive ammonia SCRLI WEI·Filed 2010·Granted Sep 24, 2013·10 cites·25 claims
- 0287US8393140B2Passive ammonia-selective catalytic reduction for NOx control in internal combustion enginesPERRY KEVIN L·Filed 2009·Granted Mar 12, 2013·17 cites·19 claims
- 0386US9180408B2Fuel efficient ammonia generation strategy for lean-burn engines utilizing passive NH3-SCR for the control of NOxPERRY KEVIN L·Filed 2011·Granted Nov 10, 2015·8 cites·15 claims
- 0483US8381512B2Passive ammonia-selective catalytic reduction for NOx control in internal combustion enginesGM GLOBAL TECH OPERATIONS INC·Filed 2009·Granted Feb 26, 2013·11 cites·21 claims
- 0582US8216521B2Method and apparatus for ammonia formation in a catalytic converterLI WEI·Filed 2009·Granted Jul 10, 2012·10 cites·26 claims
- 0680US8091342B2Technique for production of ammonia on demand in a three way catalyst for a passive selective catalytic reduction systemPERRY KEVIN L·Filed 2009·Granted Jan 10, 2012·9 cites·28 claims
- 0779US8109081B2Hydrocarbon selective catalytic reduction for NOx control with gasoline-fueled spark ignition engines using engine-out hydrocarbonsPERRY KEVIN L·Filed 2009·Granted Feb 7, 2012·9 cites·16 claims
- 0870US8291695B2Method and apparatus for controlling exhaust emissions in a spark-ignition direct-injection enginePERRY KEVIN L·Filed 2008·Granted Oct 23, 2012·5 cites·9 claims
- 0970US8225599B2Method for supplying reductant to an aftertreatment systemPERRY KEVIN L·Filed 2010·Granted Jul 24, 2012·2 cites·18 claims
- 1067US9188071B2System and method for controlling an engine based on ammonia storage in multiple selective catalytic reduction catalystsSUN MIN·Filed 2012·Granted Nov 17, 2015·3 cites·20 claims
- 1166US8448423B2Method and apparatus for controlling operation of a spark-ignition direct-injection engineNAJT PAUL M·Filed 2008·Granted May 28, 2013·4 cites·10 claims
- 1265US9863922B2NOx sensor calibration and application in lean NOx trap aftertreat systemsGM GLOBAL TECH OPERATIONS LLC·Filed 2014·Granted Jan 9, 2018·2 cites·14 claims
- 1362US8919099B2System and method for determining an ammonia generation rate in a three-way catalystSUN MIN·Filed 2011·Granted Dec 30, 2014·2 cites·21 claims
- 1461US8745969B2Methods for engine exhaust NOx control using no oxidation in the engineSLOANE THOMPSON M·Filed 2010·Granted Jun 10, 2014·3 cites·21 claims
- 1558US9714625B2System and method for controlling ammonia levels in a selective catalytic reduction catalyst using a nitrogen oxide sensorSUN MIN·Filed 2011·Granted Jul 25, 2017·1 cites·22 claims
- 1655US8302379B2Passive ammonia-selective catalytic reduction for NOx control in internal combustion enginesNARAYANASWAMY KUSHAL·Filed 2009·Granted Nov 6, 2012·3 cites·23 claims
- 1755US2010186391A1Technique for production of ammonia on demand in a three way catalyst for a passive selective catalytic reduction systemGM GLOBAL TECH OPERATIONS INC·Filed 2009·Application pending·0 cites
- 1842US2009193795A1Method and apparatus for regenerating an aftertreatment device for a spark-ignition direct-injection engineGM GLOBAL TECH OPERATIONS INC·Filed 2008·Application pending·0 cites
- 1933US2012079813A1OPERATING METHODS FOR SELECTIVE CATALYTIC REDUCTION OF NOxSLOANE THOMPSON M·Filed 2010·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →