Inventor
BROWN DAVID B
US58 patents
⚠️ This page may combine multiple inventors who share the name “BROWN DAVID B”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
GM GLOBAL TECH OPERATIONS INC
14 patentsUS7610750B2Nov 3, 2009
Method and apparatus for monitoring a urea injection system in an exhaust aftertreatment system
GM GLOBAL TECH OPERATIONS INC49 citations92
US7216478B2May 15, 2007
Exhaust treatment diagnostic using a temperature sensor
GM GLOBAL TECH OPERATIONS INC22 citations92
US7908845B2Mar 22, 2011
Mixing apparatus for an exhaust after-treatment system
GM GLOBAL TECH OPERATIONS INC29 citations91
US7426825B2Sep 23, 2008
Method and apparatus for urea injection in an exhaust aftertreatment system
GM GLOBAL TECH OPERATIONS INC35 citations89
US8377400B2Feb 19, 2013
Methods and systems for oxidizing nitric oxide in a gas stream
GM GLOBAL TECH OPERATIONS INC12 citations84
US8041498B2Oct 18, 2011
Lean nitrogen oxide emission control system and method
GM GLOBAL TECH OPERATIONS INC12 citations84
US7992377B2Aug 9, 2011
Diesel exhaust control during limp-home mode
GM GLOBAL TECH OPERATIONS INC8 citations84
US7565799B2Jul 28, 2009
Controlling lean NOx trap (LNT) catalyst performance
GM GLOBAL TECH OPERATIONS INC9 citations84
US7478528B2Jan 20, 2009
Oxygen based particulate filter regeneration strategy
GM GLOBAL TECH OPERATIONS INC8 citations84
US8381512B2Feb 26, 2013
Passive ammonia-selective catalytic reduction for NOx control in internal combustion engines
GM GLOBAL TECH OPERATIONS INC11 citations83
US8043394B2Oct 25, 2011
Particulate matter filter assembly with a flow device
GM GLOBAL TECH OPERATIONS INC14 citations82
US7805927B2Oct 5, 2010
Diesel engine displacement on demand
GM GLOBAL TECH OPERATIONS INC11 citations82
US8041501B2Oct 18, 2011
Method and system for monitoring an active hydrocarbon adsorber
GM GLOBAL TECH OPERATIONS INC4 citations63
US7655065B2Feb 2, 2010
Hydrocarbon-enhanced particulate filter regeneration via microwave ignition
GM GLOBAL TECH OPERATIONS INC6 citations63
GEN MOTORS CORP
11 patentsUS4955345ASep 11, 1990
Multi-fuel engine control with fuel composition responsive fuel viscosity correction
GEN MOTORS CORP60 citations96
US4945881AAug 7, 1990
Multi-fuel engine control with initial delay
GEN MOTORS CORP108 citations96
US7104048B2Sep 12, 2006
Low emission diesel particulate filter (DPF) regeneration
GEN MOTORS CORP19 citations93
US5570576ANov 5, 1996
Catalyst heater with staged exhaust exotherm
GEN MOTORS CORP47 citations93
US5444976AAug 29, 1995
Catalytic converter heating
GEN MOTORS CORP46 citations93
US4945885AAug 7, 1990
Multi-fuel engine control with canister purge
GEN MOTORS CORP33 citations93
US4945882AAug 7, 1990
Multi-fuel engine control with oxygen sensor signal reference control
GEN MOTORS CORP47 citations93
US4945880AAug 7, 1990
Multi-fuel engine control with fuel control parameter lock
GEN MOTORS CORP50 citations93
US4909225AMar 20, 1990
Multi-fuel engine control with fuel transition delay
GEN MOTORS CORP40 citations93
US6422003B1Jul 23, 2002
NOX catalyst exhaust feedstream control system
GEN MOTORS CORP35 citations92
US5390488AFeb 21, 1995
Air injection control for preheated catalysts
GEN MOTORS CORP31 citations92
BROWN DAVID B
4 patentsUS8544258B2Oct 1, 2013
Exhaust treatment system diagnostic via ammonium nitrite decomposition
BROWN DAVID B16 citations83
US8596063B2Dec 3, 2013
Exhaust treatment system for an internal combustion engine
BROWN DAVID B9 citations80
US5358847AOct 25, 1994
Method of screening for human sperm abnormalities as part of a regimen for assessing fertilizing capacity based upon reduced rates of chromatin decondensation and DNA synthesis
BROWN DAVID B17 citations73
US8850798B2Oct 7, 2014
Particulate filter regeneration method
BROWN DAVID B2 citations62
LI WEI
3 patentsUS8387448B2Mar 5, 2013
Method for monitoring exhaust gas aftertreatment devices
LI WEI7 citations84
US9732687B2Aug 15, 2017
Perovskite oxide compounds for use in exhaust aftertreatment systems
LI WEI3 citations73
US8943811B2Feb 3, 2015
Perovskite-based catalysts, catalyst combinations and methods of making and using the same
LI WEI5 citations73
(unassigned)
2 patentsREN SHOUXIAN
2 patentsUS ARMY
2 patentsGM GLOBAL TECH OPERATIONS LLC
2 patentsGONZE EUGENE V
2 patentsWANG YUE-YUN
1 patentMITAL RAHUL
1 patentRESEARCH CORP
1 patentKIM CHANG H
1 patentAMERICAN TELEPHONE & TELEGRAPH
1 patentIVES R LAWRENCE
1 patentBELL TELEPHONE LABOR INC
1 patentRES CORP TECHNOLOGIES INC
1 patentShowing the top 50 of 58 patents by PatentIndex Score.