Stark; Cheryl J

Patent Applications and Registrations

Patent applications and USPTO patent grants for Stark; Cheryl J.The latest application filed is for "non-methane hydrocarbon conversion efficiency diagnostic for a diesel after-treatment system".

Company Profile

0.8.7

Stark; Cheryl J - Canton MI
Stark; Cheryl J. - Canton MI US

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Method and system for verifying the operation of an SCR catalyst Grant 9,133,750 - Levijoki , et al. September 15, 2	2015-09-15
Particulate filter monitoring methods and systems Grant 9,080,494 - Kowalkowski , et al. July 14, 2	2015-07-14
Non-methane hydrocarbon conversion efficiency diagnostic for a diesel after-treatment system Grant 8,839,602 - Anilovich , et al. September 23, 2	2014-09-23
Non-methane Hydrocarbon Conversion Efficiency Diagnostic For A Diesel After-treatment System App 20130263577 - Anilovich; Igor ; et al.	2013-10-10
Particulate Filter Monitoring Methods And Systems App 20120311994 - Kowalkowski; Janean E. ; et al.	2012-12-13
Exhaust diagnostic systems and methods for resetting after operation with poor reductant quality Grant 8,286,419 - Levijoki , et al. October 16, 2	2012-10-16
Apparatus And Method For Monitoring Regeneration Frequency Of A Vehicle Particulate Filter App 20120023903 - Oemke; Rebecca A. ; et al.	2012-02-02
Systems and method for monitoring urea level Grant 8,047,046 - Stark , et al. November 1, 2	2011-11-01
Exhaust Diagnostic Systems And Methods For Resetting After Operation With Poor Reductant Quality App 20110061363 - Levijoki; Stephen Paul ; et al.	2011-03-17
Method And System For Verifying The Operation Of An Scr Catalyst App 20110023456 - Levijoki; Stephen Paul ; et al.	2011-02-03
Systems And Method For Monitoring Urea Level App 20090199616 - Stark; Cheryl J. ; et al.	2009-08-13

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