Inventor

Kevin L. Perry

Inventor
Fraser, MI, US

Overview

16→
Patents
2012–2018
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 16 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

F01Nprimary
F01NGas-flow silencers or exhaust apparatus for machines or engines in general25%
Y02TClimate change mitigation technologies related to transportation25%
F02DControlling combustion engines17%
B01DSeparation14%
Y02ATechnologies for adaptation to climate change10%
B01FMixing, e.g. dissolving, emulsifying or dispersing2%
F02BInternal-combustion piston engines2%
F02PIgnition, other than compression ignition, for internal-combustion engines2%
G01NInvestigating or analysing materials by determining their chemical or physical properties2%
H04LTransmission of digital information, e.g. telegraphic communication2%
PatentTitleYear
9,863,922'NOx sensor calibration and application in lean NOx trap aftertreat systems'20189,714,625'System and method for controlling ammonia levels in a selective catalytic reduction catalyst using a nitrogen oxide sensor'20179,188,071'System and method for controlling an engine based on ammonia storage in multiple selective catalytic reduction catalysts'20159,180,408'Fuel efficient ammonia generation strategy for lean-burn engines utilizing passive NH3-SCR for the control of NOx'20158,919,099'System and method for determining an ammonia generation rate in a three-way catalyst'20148,745,969'Methods for engine exhaust NOx control using no oxidation in the engine'20148,539,760'Catalyst materials for NOx oxidation in an exhaust aftertreatment system that uses passive ammonia SCR'20138,448,423'Method and apparatus for controlling operation of a spark-ignition direct-injection engine'20138,393,140'Passive ammonia-selective catalytic reduction for NOx control in internal combustion engines'20138,381,512'Passive ammonia-selective catalytic reduction for NOx control in internal combustion engines'20138,302,379'Passive ammonia-selective catalytic reduction for NOx control in internal combustion engines'20128,291,695'Method and apparatus for controlling exhaust emissions in a spark-ignition direct-injection engine'20128,225,599'Method for supplying reductant to an aftertreatment system'20128,216,521'Method and apparatus for ammonia formation in a catalytic converter'20128,109,081'Hydrocarbon selective catalytic reduction for NOx control with gasoline-fueled spark ignition engines using engine-out hydrocarbons'20128,091,342'Technique for production of ammonia on demand in a three way catalyst for a passive selective catalytic reduction system'2012

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2012–2017Patents assigned to PERRY KEVIN L (15)· patent assignee history
2012–2015Patents assigned to GM GLOBAL TECH OPERATIONS INC (14)· patent assignee history
2012–2015Patents assigned to LI WEI (9)· patent assignee history
2012–2015Patents assigned to NAJT PAUL M (9)· patent assignee history
2012–2015Patents assigned to NARAYANASWAMY KUSHAL (8)· patent assignee history
2012–2018Based in Fraser, MI, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
PERRY KEVIN Lself152012–2017
GM GLOBAL TECH OPERATIONS INC142012–2015
LI WEI92012–2015
NAJT PAUL M92012–2015
NARAYANASWAMY KUSHAL82012–2015
Locations
LocationPatentsSpan
Fraser, MI, US162012–2018