Inventor
WHITT CHRISTOPHER
US28 patents
⚠️ This page may combine multiple inventors who share the name “WHITT CHRISTOPHER”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
GM GLOBAL TECH OPERATIONS INC
10 patentsUS9328645B2May 3, 2016
Detecting over-temperature in exhaust system
GM GLOBAL TECH OPERATIONS INC14 citations83
US8991155B2Mar 31, 2015
Vehicle and a method of determining a reductant storage capacity set point of a selective catalytic reduction filter of an exhaust treatment system of the vehicle
GM GLOBAL TECH OPERATIONS INC5 citations72
US9291084B2Mar 22, 2016
Vehicle and a method of updating efficiency of a selective catalytic reduction filter of an exhaust treatment system of the vehicle
GM GLOBAL TECH OPERATIONS INC2 citations62
US9228467B2Jan 5, 2016
Urea injection controller for a motorized system
GM GLOBAL TECH OPERATIONS INC2 citations62
US9003773B2Apr 14, 2015
Vehicle and a method of updating aging of a selective catalytic reduction filter of an exhaust treatment system of the vehicle
GM GLOBAL TECH OPERATIONS INC2 citations62
US9133747B2Sep 15, 2015
Selective catalyst reduction filter washcoat thickness ammonia compensation system
GM GLOBAL TECH OPERATIONS INC2 citations61
US9206719B2Dec 8, 2015
Enhanced CRT enablement based on soot mass stored in particulate filter
GM GLOBAL TECH OPERATIONS INC1 citations51
US9149801B2Oct 6, 2015
Method and system for adapting a clean filter correction map for a selective catalyst reduction filter
GM GLOBAL TECH OPERATIONS INC0 citations41
US9366172B2Jun 14, 2016
Particulate filter device monitoring system for an internal combustion engine
GM GLOBAL TECH OPERATIONS INC0 citations40
US9080483B2Jul 14, 2015
System and method for particulate filter regeneration
GM GLOBAL TECH OPERATIONS INC0 citations40
GM GLOBAL TECH OPERATIONS LLC
6 patentsUS9562841B2Feb 7, 2017
Engine output soot diagnostic control system based on transient drive cycle detection
GM GLOBAL TECH OPERATIONS LLC11 citations83
US9476341B2Oct 25, 2016
Exhaust treatment system that generates debounce duration for NOx sensor offset
GM GLOBAL TECH OPERATIONS LLC15 citations82
US9797286B2Oct 24, 2017
SCR filter washcoat thickness efficiency compensation system
GM GLOBAL TECH OPERATIONS LLC2 citations72
US9441525B2Sep 13, 2016
Method and apparatus to control regeneration of a particulate filter
GM GLOBAL TECH OPERATIONS LLC2 citations61
US10132256B2Nov 20, 2018
Particulate filter device monitoring system for an engine
GM GLOBAL TECH OPERATIONS LLC1 citations51
US9574484B1Feb 21, 2017
Engine control for diesel particulate filter efficiency assessment
GM GLOBAL TECH OPERATIONS LLC1 citations51
SWOISH CHRISTOPHER C
4 patentsUS9051889B2Jun 9, 2015
Method and apparatus to control regeneration of a particulate filter
SWOISH CHRISTOPHER C6 citations81
US9140156B2Sep 22, 2015
NOx-flowrate and temperature correction during soot mass estimation in a vehicle exhaust after-treatment device
SWOISH CHRISTOPHER C2 citations60
US9303579B2Apr 5, 2016
System and method for monitoring a particulate filter in a vehicle exhaust aftertreatment device
SWOISH CHRISTOPHER C0 citations39
US8806852B2Aug 19, 2014
Method for controlling regeneration within an after-treatment component of a compression-ignition engine
SWOISH CHRISTOPHER C0 citations39
SARSEN DOUGLAS CHRISTOPHER
3 patentsUS9091190B2Jul 28, 2015
Accumulated ash correction during soot mass estimation in a vehicle exhaust aftertreatment device
SARSEN DOUGLAS CHRISTOPHER3 citations59
US8904757B2Dec 9, 2014
System and method for controlling regeneration within an after-treatment component of a compression-ignition engine
SARSEN DOUGLAS CHRISTOPHER2 citations59
US8424372B2Apr 23, 2013
System and method for establishing a mass flow rate of air entering an engine
SARSEN DOUGLAS CHRISTOPHER1 citations49
ARDANESE RAFFAELLO
2 patentsUS8468808B2Jun 25, 2013
Optimization of active regeneration triggers based on ambient and vehicle operating conditions
ARDANESE RAFFAELLO2 citations61
US8484955B2Jul 16, 2013
System and method for estimating an amount of particulate matter accumulated in a particulate filter
ARDANESE RAFFAELLO0 citations40