Inventor
QUIGLEY DAVID P
US13 patents
⚠️ This page may combine multiple inventors who share the name “QUIGLEY DAVID P”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
GM GLOBAL TECH OPERATIONS LLC
9 patentsUS10450933B2Oct 22, 2019
Downstream oxygen sensor performance for selective catalytic reduction
GM GLOBAL TECH OPERATIONS LLC11 citations77
US10378463B2Aug 13, 2019
Selective catalytic reduction steady state ammonia slip detection
GM GLOBAL TECH OPERATIONS LLC1 citations61
US11060429B2Jul 13, 2021
Diesel exhaust fluid quality based dosing adjustment, alerts, and inducement
GM GLOBAL TECH OPERATIONS LLC0 citations60
US12281607B2Apr 22, 2025
Dosing control for SCR systems
GM GLOBAL TECH OPERATIONS LLC0 citations50
US12012886B1Jun 18, 2024
Dosing control and passive regeneration coordination with diagnostic
GM GLOBAL TECH OPERATIONS LLC0 citations50
US11435332B2Sep 6, 2022
Sensor offset diagnostic in idle and after-run
GM GLOBAL TECH OPERATIONS LLC0 citations44
US10323559B1Jun 18, 2019
Methods for controlling selective catalytic reduction systems
GM GLOBAL TECH OPERATIONS LLC0 citations38
US10082061B1Sep 25, 2018
Predictive control for slip and breakthrough determination of selective catalytic reduction systems
GM GLOBAL TECH OPERATIONS LLC0 citations37
US10247076B2Apr 2, 2019
Exhaust treatment system including ammonia storage control system
GM GLOBAL TECH OPERATIONS LLC0 citations36