Inventor · disambiguated record
Janean E. Kowalkowski
Also filed as: KOWALKOWSKI JANEAN · KOWALKOWSKI JANEAN E
35 granted patents·2 pending applications·251 citations·filing 2011–2020
97Inventor score
Files withKOWALKOWSKI JANEAN E9GM GLOBAL TECH OPERATIONS INC8GM GLOBAL TECH OPERATIONS LLC4TYLUTKI VINCENT J4NISSAN NORTH AMERICA INC3
Top patents by PatentIndex Score
37 records- 0194US8910466B2Exhaust aftertreatment system with diagnostic delayKOWALKOWSKI JANEAN E·Filed 2012·Granted Dec 16, 2014·14 cites·14 claims
- 0294US8707677B2System and method for controlling a nitrogen oxide sensorKOWALKOWSKI JANEAN E·Filed 2011·Granted Apr 29, 2014·15 cites·13 claims
- 0391US9501452B2Exponentially weighted moving averaging filter with adjustable weighting factorGM GLOBAL TECH OPERATIONS LLC·Filed 2013·Granted Nov 22, 2016·11 cites·17 claims
- 0491US9181843B2On-board diagnostic method for NO2 formation in an oxidation catalystKIM CHANG H·Filed 2012·Granted Nov 10, 2015·11 cites·12 claims
- 0591US9051866B2Method and apparatus for monitoring a particulate filterYANAKIEV OGNYAN N·Filed 2012·Granted Jun 9, 2015·11 cites·10 claims
- 0691US8924131B2Method and apparatus for controlling a diagnostic module for an exhaust gas sensorKOWALKOWSKI JANEAN E·Filed 2012·Granted Dec 30, 2014·13 cites·15 claims
- 0790US10100695B2Exhaust fluid dosing control system and methodGM GLOBAL TECH OPERATIONS LLC·Filed 2013·Granted Oct 16, 2018·11 cites·14 claims
- 0890US8863499B2System for indicating quality of a diesel exhaust fluid (“DEF”)KOWALKOWSKI JANEAN E·Filed 2012·Granted Oct 21, 2014·13 cites·20 claims
- 0989US9206727B2Regeneration diagnostic methods and systemsLIU ZHIPING STEVEN·Filed 2011·Granted Dec 8, 2015·11 cites·12 claims
- 1089US9194268B2Exhaust gas treatment system including an enhanced SCR diagnostic unitGM GLOBAL TECH OPERATIONS INC·Filed 2013·Granted Nov 24, 2015·12 cites·20 claims
- 1189US8966882B2Differential pressure-based enablement of a particulate filter diagnosticTYLUTKI VINCENT J·Filed 2012·Granted Mar 3, 2015·16 cites·20 claims
- 1288US9376952B2Method and system for selectively enabling and disabling a diagnostic monitor of a selective-catalytic-reduction deviceGM GLOBAL TECH OPERATIONS INC·Filed 2013·Granted Jun 28, 2016·11 cites·10 claims
- 1388US8984867B2Nitrogen dioxide generation diagnostic for a diesel after-treatment systemANILOVICH IGOR·Filed 2012·Granted Mar 24, 2015·12 cites·20 claims
- 1488US8783019B2Apparatus and method for onboard performance monitoring of oxidation catalystBEDFORD JOSHUA CLIFFORD·Filed 2012·Granted Jul 22, 2014·13 cites·15 claims
- 1588US8631690B2Exhaust treatment methods and systemsKOWALKOWSKI JANEAN E·Filed 2012·Granted Jan 21, 2014·11 cites·20 claims
- 1687US9109480B2Method and system for initiating an engine after-run state and controlling a nitrogen oxide sensor self-diagnostic toolGM GLOBAL TECH OPERATIONS INC·Filed 2012·Granted Aug 18, 2015·12 cites·17 claims
- 1787US9074507B2Event-based deviation integration temperature control loop diagnostic systemGM GLOBAL TECH OPERATIONS INC·Filed 2013·Granted Jul 7, 2015·11 cites·9 claims
- 1886US9528462B2NOx sensor plausibility monitorARDANESE RAFFAELLO·Filed 2012·Granted Dec 27, 2016·11 cites·18 claims
- 1983US9415345B2Heat generation system for determining a selective catalytic reduction device efficiencyGM GLOBAL TECH OPERATIONS LLC·Filed 2013·Granted Aug 16, 2016·11 cites·16 claims
- 2083US8640441B2Method of monitoring a differential pressure sensor of an exhaust gas treatment systemTYLUTKI VINCENT J·Filed 2012·Granted Feb 4, 2014·6 cites·20 claims
- 2174US9068495B2Oxidation catalyst/hydrocarbon injector testing systemGM GLOBAL TECH OPERATIONS INC·Filed 2013·Granted Jun 30, 2015·3 cites·20 claims
- 2271US8607625B2Service test for exhaust gas treatment systemKOWALKOWSKI JANEAN E·Filed 2012·Granted Dec 17, 2013·4 cites·5 claims
- 2369US10173520B1Fuel cap detection systemNISSAN NORTH AMERICA INC·Filed 2017·Granted Jan 8, 2019·1 cites·17 claims
- 2467US8629781B2Efficiency determination for a selective-catalytic-reduction catalystKOWALKOWSKI JANEAN E·Filed 2011·Granted Jan 14, 2014·3 cites·20 claims
- 2567US8398742B2Pressure sensor disconnection detection systems and methodsTYLUTKI VINCENT J·Filed 2011·Granted Mar 19, 2013·2 cites·20 claims
- 2660US2020326246A1Thermostat monitoring system and methodNISSAN NORTH AMERICA INC·Filed 2020·Application pending·0 cites
- 2755US9328639B2Regeneration system to regenerate a particulate filter based on code clear diagnostic signalGM GLOBAL TECH OPERATIONS INC·Filed 2013·Granted May 3, 2016·1 cites·5 claims
- 2855US8683844B2Sensor monitoring methods and systemsFELDMANN SCOTT T·Filed 2011·Granted Apr 1, 2014·1 cites·14 claims
- 2951US10830651B2Thermostat monitoring system and methodNISSAN NORTH AMERICA INC·Filed 2017·Granted Nov 10, 2020·0 cites·12 claims
- 3049US8839602B2Non-methane hydrocarbon conversion efficiency diagnostic for a diesel after-treatment systemANILOVICH IGOR·Filed 2012·Granted Sep 23, 2014·0 cites·18 claims
- 3147US9080494B2Particulate filter monitoring methods and systemsKOWALKOWSKI JANEAN E·Filed 2011·Granted Jul 14, 2015·0 cites·16 claims
- 3246US8720187B2Exhaust diagnostic control system and method with selective disablement of NOx reduction efficiency diagnosticKOWALKOWSKI JANEAN E·Filed 2012·Granted May 13, 2014·0 cites·20 claims
- 3344US9624809B2Monitoring system for a single can oxidation catalyst/particulate filterGM GLOBAL TECH OPERATIONS LLC·Filed 2013·Granted Apr 18, 2017·0 cites·3 claims
- 3442US9303544B2Method of detecting a thermal event in an exhaust system based on temperature gradients and exhaust system configured for sameRADKE BENJAMIN·Filed 2012·Granted Apr 5, 2016·0 cites·16 claims
- 3542US8978357B2System and method for determining an exhaust system conditionTYLUTKI VINCENT J·Filed 2011·Granted Mar 17, 2015·0 cites·14 claims
- 3641US9003778B2Exhaust fluid dosing control system and methodGM GLOBAL TECH OPERATIONS INC·Filed 2013·Granted Apr 14, 2015·0 cites·18 claims
- 3740US2014366515A1Enhanced diagnostic signal to detect pressure condition of a particulate filterGM GLOBAL TECH OPERATIONS INC·Filed 2013·Application pending·0 cites
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