Inventor · disambiguated record
Cheryl J. Stark
Also filed as: STARK CHERYL J · STARK CHERYL JEANETTE
6 granted patents·1 pending application·32 citations·filing 2001–2012
78Inventor score
Files withLEVIJOKI STEPHEN PAUL2ANILOVICH IGOR1FORD GLOBAL TECH INC1GM GLOBAL TECH OPERATIONS INC1KOWALKOWSKI JANEAN E1
Top patents by PatentIndex Score
7 records- 0192US9133750B2Method and system for verifying the operation of an SCR catalystLEVIJOKI STEPHEN PAUL·Filed 2010·Granted Sep 15, 2015·15 cites·20 claims
- 0271US8286419B2Exhaust diagnostic systems and methods for resetting after operation with poor reductant qualityLEVIJOKI STEPHEN PAUL·Filed 2009·Granted Oct 16, 2012·9 cites·18 claims
- 0350US8047046B2Systems and method for monitoring urea levelGM GLOBAL TECH OPERATIONS INC·Filed 2009·Granted Nov 1, 2011·2 cites·14 claims
- 0449US8839602B2Non-methane hydrocarbon conversion efficiency diagnostic for a diesel after-treatment systemANILOVICH IGOR·Filed 2012·Granted Sep 23, 2014·0 cites·18 claims
- 0547US9080494B2Particulate filter monitoring methods and systemsKOWALKOWSKI JANEAN E·Filed 2011·Granted Jul 14, 2015·0 cites·16 claims
- 0647US6439039B1Method to verify cold start spark retardFORD GLOBAL TECH INC·Filed 2001·Granted Aug 27, 2002·6 cites·11 claims
- 0729US2012023903A1Apparatus and method for monitoring regeneration frequency of a vehicle particulate filterOEMKE REBECCA A·Filed 2010·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →