Inventor

BELTON DAVID N

US12 patents

⚠️ This page may combine multiple inventors who share the name “BELTON DAVID N”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

GM GLOBAL TECH OPERATIONS INC

3 patents

US7152594B2Dec 26, 2006

Air/fuel imbalance detection system and method

GM GLOBAL TECH OPERATIONS INC49 citations92

US7793489B2Sep 14, 2010

Fuel control for robust detection of catalytic converter oxygen storage capacity

GM GLOBAL TECH OPERATIONS INC33 citations90

US7771311B2Aug 10, 2010

Enhanced catalyst performance by engine load adjustment

GM GLOBAL TECH OPERATIONS INC6 citations72

GEN MOTORS CORP

3 patents

US6871136B1Mar 22, 2005

Method for on-board diagnosis of cold start emissions reduction control strategy

GEN MOTORS CORP20 citations89

US6996974B2Feb 14, 2006

Fuel control failure detection based on post O2 sensor

GEN MOTORS CORP14 citations83

US7035730B2Apr 25, 2006

Method for diagnosing catalytic converter performance

GEN MOTORS CORP3 citations59

GM GLOBAL TECH OPERATIONS LLC

2 patents

US10982579B2Apr 20, 2021

Method and apparatus for managing flow through an exhaust aftertreatment system

GM GLOBAL TECH OPERATIONS LLC0 citations43

US9624809B2Apr 18, 2017

Monitoring system for a single can oxidation catalyst/particulate filter

GM GLOBAL TECH OPERATIONS LLC0 citations41

KIM CHANG H

1 patent

US9181843B2Nov 10, 2015

On-board diagnostic method for NO2 formation in an oxidation catalyst

KIM CHANG H11 citations83

HAMAMA WAJDI B

1 patent

US8855894B2Oct 7, 2014

Exhaust temperature and pressure modeling systems and methods

HAMAMA WAJDI B7 citations82

MAIER COLLEEN MARIE

1 patent

US8459007B2Jun 11, 2013

Control system for cold start emissions reduction in hybrid vehicles

MAIER COLLEEN MARIE14 citations72

WANG WENBO

1 patent

US8146345B2Apr 3, 2012

Normalizing oxygen storage capacity(OSC) for catalyst monitoring

WANG WENBO0 citations51