Inventor · disambiguated record
Shouxian Ren
Also filed as: REN SHOUXIAN
27 granted patents·6 pending applications·360 citations·filing 2002–2018
96Inventor score
Files withGM GLOBAL TECH OPERATIONS LLC15GM GLOBAL TECH OPERATIONS INC6REN SHOUXIAN6INT ENGINE INTELLECTUAL PROP3LEVIJOKI STEPHEN PAUL1
Top patents by PatentIndex Score
33 records- 0197US8778290B1Compact exhaust gas treatment systems for diesel applicationsGM GLOBAL TECH OPERATIONS INC·Filed 2013·Granted Jul 15, 2014·28 cites·19 claims
- 0295US6829890B2Forced regeneration of a diesel particulate filterINT ENGINE INTELLECTUAL PROP·Filed 2002·Granted Dec 14, 2004·153 cites·34 claims
- 0394US10400654B2NOx storage catalyst monitoring methodsGM GLOBAL TECH OPERATIONS LLC·Filed 2018·Granted Sep 3, 2019·11 cites·18 claims
- 0492US9597635B2Zeolite promoted silver based catalyst for NOx storageGM GLOBAL TECH OPERATIONS LLC·Filed 2014·Granted Mar 21, 2017·9 cites·18 claims
- 0592US7712311B2Turbocharger assembly with catalyst coatingGM GLOBAL TECH OPERATIONS INC·Filed 2007·Granted May 11, 2010·20 cites·3 claims
- 0691US8409515B2Exhaust gas treatment systemREN SHOUXIAN·Filed 2009·Granted Apr 2, 2013·30 cites·20 claims
- 0790US8720189B2Apparatus and method for onboard performance monitoring of oxidation catalystREN SHOUXIAN·Filed 2011·Granted May 13, 2014·12 cites·22 claims
- 0890US6978604B2Soot burn-off control strategy for a catalyzed diesel particulate filterINT ENGINE INTELLECTUAL PROP·Filed 2003·Granted Dec 27, 2005·51 cites·39 claims
- 0987US10399037B1Nitrogen oxides storage catalyst and methods of using the sameGM GLOBAL TECH OPERATIONS LLC·Filed 2018·Granted Sep 3, 2019·3 cites·20 claims
- 1082US10161277B2Capacitor-powered catalyst heaterGM GLOBAL TECH OPERATIONS LLC·Filed 2017·Granted Dec 25, 2018·2 cites·16 claims
- 1179US10005031B2Dual-layer catalystGM GLOBAL TECH OPERATIONS LLC·Filed 2015·Granted Jun 26, 2018·2 cites·17 claims
- 1278US8887495B2Ash filter, exhaust gas treatment system incorporating the same and method of using the sameREN SHOUXIAN·Filed 2009·Granted Nov 18, 2014·8 cites·18 claims
- 1375US10358966B2Limiting exposure of zeolite containing aftertreatment components to rich exhaust conditionsGM GLOBAL TECH OPERATIONS LLC·Filed 2017·Granted Jul 23, 2019·1 cites·17 claims
- 1467US10040029B2Efficient lean NOx trap regeneration with enchanced ammonia formationGM GLOBAL TECH OPERATIONS LLC·Filed 2014·Granted Aug 7, 2018·2 cites·8 claims
- 1565US8479500B2Exhaust treatment system for an internal combustion engineREN SHOUXIAN·Filed 2011·Granted Jul 9, 2013·3 cites·11 claims
- 1660US8176729B2Perturbation control strategy for low-temperature urea SCR NOx reductionREN SHOUXIAN·Filed 2008·Granted May 15, 2012·4 cites·18 claims
- 1760US8122712B2Exhaust system with improved NOX emission controlREN SHOUXIAN·Filed 2008·Granted Feb 28, 2012·5 cites·22 claims
- 1859US8108154B2NOx emission estimation systems and methodsRAMAMURTHY RAVISHANKAR·Filed 2008·Granted Jan 31, 2012·4 cites·20 claims
- 1958US10456746B2Selective catalytic reduction filter for reducing nitrous oxide formation and methods of using the sameGM GLOBAL TECH OPERATIONS LLC·Filed 2018·Granted Oct 29, 2019·0 cites·8 claims
- 2057US7047730B2De-sulfurization of a NOx adsorber catalyst in a diesel engine exhaust systemINT ENGINE INTELLECTUAL PROP·Filed 2004·Granted May 23, 2006·10 cites·31 claims
- 2153US8205440B2Intrusive SCR efficency testing systems and methods for vehicles with low temperature exhaust gasLEVIJOKI STEPHEN PAUL·Filed 2009·Granted Jun 26, 2012·2 cites·16 claims
- 2251US10953366B2Nitrogen oxides and hydrocarbon storage catalyst and methods of using the sameGM GLOBAL TECH OPERATIONS LLC·Filed 2018·Granted Mar 23, 2021·0 cites·20 claims
- 2347US10907521B2Methods for operating and diagnosing internal combustion engine exhaust gas treatment systemsGM GLOBAL TECH OPERATIONS LLC·Filed 2018·Granted Feb 2, 2021·0 cites·20 claims
- 2446US10947885B2Passive nitric oxide storage catalyst managementGM GLOBAL TECH OPERATIONS LLC·Filed 2018·Granted Mar 16, 2021·0 cites·14 claims
- 2546US9046025B2Selective catalytic reduction device monitoring systemGM GLOBAL TECH OPERATIONS INC·Filed 2013·Granted Jun 2, 2015·0 cites·9 claims
- 2644US2016131001A1Catalyst design for selective-catalytic-reduction (scr) filtersGM GLOBAL TECH OPERATIONS INC·Filed 2014·Application pending·0 cites
- 2743US2007289293A1Diesel Exhaust System Reversible Particulate FilterGM GLOBAL TECH OPERATIONS INC·Filed 2006·Application pending·0 cites
- 2843US2020131961A1Exhaust gas treatment systems and methods for diagnosing the sameGM GLOBAL TECH OPERATIONS LLC·Filed 2018·Application pending·0 cites
- 2942US9084966B2Diesel oxidation catalyst aging level determination using NOX sensor NO2 interferenceGM GLOBAL TECH OPERATIONS INC·Filed 2012·Granted Jul 21, 2015·0 cites·4 claims
- 3040US10145281B2Synergistic combinations of low temperature NOx adsorbersGM GLOBAL TECH OPERATIONS LLC·Filed 2016·Granted Dec 4, 2018·0 cites·17 claims
- 3140US2018223712A1Vehicle having a nitrogen oxides storage converter and on-board method for monitoring and diagnosing the nitrogen oxides storage converterGM GLOBAL TECH OPERATIONS LLC·Filed 2017·Application pending·0 cites
- 3240US2018058286A1METHOD AND APPARATUS TO MINIMIZE DEACTIVATION OF A LOW TEMPERATURE NOx ADSORBER IN AN EXHAUST AFTERTREATMENT SYSTEMGM GLOBAL TECH OPERATIONS LLC·Filed 2016·Application pending·0 cites
- 3340US2012204541A1Exhaust mixer element and method for mixingLI JIANWEN·Filed 2011·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →