Inventor · disambiguated record
Christopher Whitt
Also filed as: WHITT CHRISTOPHER · WHITT CHRISTOPHER L
32 granted patents·3 pending applications·80 citations·filing 2010–2018
95Inventor score
Files withGM GLOBAL TECH OPERATIONS INC10GM GLOBAL TECH OPERATIONS LLC10SWOISH CHRISTOPHER C5SARSEN DOUGLAS CHRISTOPHER4ARDANESE RAFFAELLO2
Top patents by PatentIndex Score
35 records- 0194US9328645B2Detecting over-temperature in exhaust systemGM GLOBAL TECH OPERATIONS INC·Filed 2014·Granted May 3, 2016·14 cites·20 claims
- 0291US9476341B2Exhaust treatment system that generates debounce duration for NOx sensor offsetGM GLOBAL TECH OPERATIONS LLC·Filed 2014·Granted Oct 25, 2016·15 cites·16 claims
- 0388US9562841B2Engine output soot diagnostic control system based on transient drive cycle detectionGM GLOBAL TECH OPERATIONS LLC·Filed 2014·Granted Feb 7, 2017·11 cites·12 claims
- 0485US9051889B2Method and apparatus to control regeneration of a particulate filterSWOISH CHRISTOPHER C·Filed 2012·Granted Jun 9, 2015·6 cites·4 claims
- 0576US9441525B2Method and apparatus to control regeneration of a particulate filterGM GLOBAL TECH OPERATIONS LLC·Filed 2015·Granted Sep 13, 2016·2 cites·7 claims
- 0676US8991155B2Vehicle and a method of determining a reductant storage capacity set point of a selective catalytic reduction filter of an exhaust treatment system of the vehicleGM GLOBAL TECH OPERATIONS INC·Filed 2013·Granted Mar 31, 2015·5 cites·36 claims
- 0775US10358966B2Limiting exposure of zeolite containing aftertreatment components to rich exhaust conditionsGM GLOBAL TECH OPERATIONS LLC·Filed 2017·Granted Jul 23, 2019·1 cites·17 claims
- 0872US9091190B2Accumulated ash correction during soot mass estimation in a vehicle exhaust aftertreatment deviceSARSEN DOUGLAS CHRISTOPHER·Filed 2012·Granted Jul 28, 2015·3 cites·14 claims
- 0970US9574484B1Engine control for diesel particulate filter efficiency assessmentGM GLOBAL TECH OPERATIONS LLC·Filed 2015·Granted Feb 21, 2017·1 cites·20 claims
- 1067US9140156B2NOx-flowrate and temperature correction during soot mass estimation in a vehicle exhaust after-treatment deviceSWOISH CHRISTOPHER C·Filed 2012·Granted Sep 22, 2015·2 cites·10 claims
- 1167US8468808B2Optimization of active regeneration triggers based on ambient and vehicle operating conditionsARDANESE RAFFAELLO·Filed 2010·Granted Jun 25, 2013·2 cites·14 claims
- 1264US10132256B2Particulate filter device monitoring system for an engineGM GLOBAL TECH OPERATIONS LLC·Filed 2013·Granted Nov 20, 2018·1 cites·10 claims
- 1364US8904757B2System and method for controlling regeneration within an after-treatment component of a compression-ignition engineSARSEN DOUGLAS CHRISTOPHER·Filed 2012·Granted Dec 9, 2014·2 cites·20 claims
- 1463US9797286B2SCR filter washcoat thickness efficiency compensation systemGM GLOBAL TECH OPERATIONS LLC·Filed 2013·Granted Oct 24, 2017·2 cites·19 claims
- 1563US9291084B2Vehicle and a method of updating efficiency of a selective catalytic reduction filter of an exhaust treatment system of the vehicleGM GLOBAL TECH OPERATIONS INC·Filed 2013·Granted Mar 22, 2016·2 cites·20 claims
- 1663US9228467B2Urea injection controller for a motorized systemGM GLOBAL TECH OPERATIONS INC·Filed 2013·Granted Jan 5, 2016·2 cites·20 claims
- 1763US9003773B2Vehicle and a method of updating aging of a selective catalytic reduction filter of an exhaust treatment system of the vehicleGM GLOBAL TECH OPERATIONS INC·Filed 2013·Granted Apr 14, 2015·2 cites·30 claims
- 1863US8857152B2System and method for unloading hydrocarbon emissions from an exhaust after-treatment deviceWHITT CHRISTOPHER·Filed 2010·Granted Oct 14, 2014·2 cites·17 claims
- 1962US9133747B2Selective catalyst reduction filter washcoat thickness ammonia compensation systemGM GLOBAL TECH OPERATIONS INC·Filed 2013·Granted Sep 15, 2015·2 cites·14 claims
- 2060US9206719B2Enhanced CRT enablement based on soot mass stored in particulate filterGM GLOBAL TECH OPERATIONS INC·Filed 2013·Granted Dec 8, 2015·1 cites·16 claims
- 2160US8523988B2System and method for estimating a mass of particulate matter accumulated in a particulate filterJASINKIEWICZ PAUL·Filed 2011·Granted Sep 3, 2013·1 cites·20 claims
- 2258US10365258B2Methods for determining oxidation performance of oxidation catalyst devicesGM GLOBAL TECH OPERATIONS LLC·Filed 2017·Granted Jul 30, 2019·0 cites·16 claims
- 2357US8424372B2System and method for establishing a mass flow rate of air entering an engineSARSEN DOUGLAS CHRISTOPHER·Filed 2011·Granted Apr 23, 2013·1 cites·20 claims
- 2448US10012127B2Methods of using gas sensorsGM GLOBAL TECH OPERATIONS LLC·Filed 2016·Granted Jul 3, 2018·0 cites·20 claims
- 2548US9080483B2System and method for particulate filter regenerationGM GLOBAL TECH OPERATIONS INC·Filed 2012·Granted Jul 14, 2015·0 cites·20 claims
- 2647US9366172B2Particulate filter device monitoring system for an internal combustion engineGM GLOBAL TECH OPERATIONS INC·Filed 2013·Granted Jun 14, 2016·0 cites·10 claims
- 2746US10947885B2Passive nitric oxide storage catalyst managementGM GLOBAL TECH OPERATIONS LLC·Filed 2018·Granted Mar 16, 2021·0 cites·14 claims
- 2845US9149801B2Method and system for adapting a clean filter correction map for a selective catalyst reduction filterGM GLOBAL TECH OPERATIONS INC·Filed 2013·Granted Oct 6, 2015·0 cites·11 claims
- 2943US9303579B2System and method for monitoring a particulate filter in a vehicle exhaust aftertreatment deviceSWOISH CHRISTOPHER C·Filed 2012·Granted Apr 5, 2016·0 cites·11 claims
- 3042US8806852B2Method for controlling regeneration within an after-treatment component of a compression-ignition engineSWOISH CHRISTOPHER C·Filed 2012·Granted Aug 19, 2014·0 cites·20 claims
- 3141US9046019B2System and method for particulate filter regenerationLAROSE JR THOMAS·Filed 2011·Granted Jun 2, 2015·0 cites·19 claims
- 3241US2013298529A1System amd method for controlling an after-treatment component of a compression-ignition engineSWOISH CHRISTOPHER C·Filed 2012·Application pending·0 cites
- 3339US8484955B2System and method for estimating an amount of particulate matter accumulated in a particulate filterARDANESE RAFFAELLO·Filed 2011·Granted Jul 16, 2013·0 cites·20 claims
- 3438US2012102921A1System and method for controlling regeneration of an exhaust after-treatment deviceSARSEN DOUGLAS CHRISTOPHER·Filed 2010·Application pending·0 cites
- 3536US2013204508A1System and method for controlling an engineWHITT CHRISTOPHER·Filed 2012·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Christopher Whitt files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →