Inventor · disambiguated record
David P. Quigley
Also filed as: QUIGLEY DAVID P
13 granted patents·2 pending applications·56 citations·filing 2003–2023
87Inventor score
Top patents by PatentIndex Score
15 records- 0190US10450933B2Downstream oxygen sensor performance for selective catalytic reductionGM GLOBAL TECH OPERATIONS LLC·Filed 2017·Granted Oct 22, 2019·11 cites·20 claims
- 0290US8387384B2Pressure estimation systems and methodsQUIGLEY DAVID P·Filed 2010·Granted Mar 5, 2013·11 cites·11 claims
- 0378US8276563B2Internal combustion engine pistonQUIGLEY DAVID P·Filed 2003·Granted Oct 2, 2012·27 cites·17 claims
- 0473US10378463B2Selective catalytic reduction steady state ammonia slip detectionGM GLOBAL TECH OPERATIONS LLC·Filed 2017·Granted Aug 13, 2019·1 cites·20 claims
- 0563US11060429B2Diesel exhaust fluid quality based dosing adjustment, alerts, and inducementGM GLOBAL TECH OPERATIONS LLC·Filed 2019·Granted Jul 13, 2021·0 cites·20 claims
- 0663US7614284B2Oil life monitoring system for a diesel engineGM GLOBAL TECH OPERATIONS INC·Filed 2007·Granted Nov 10, 2009·5 cites·20 claims
- 0758US8112217B2Exhaust brakesQUIGLEY DAVID P·Filed 2009·Granted Feb 7, 2012·1 cites·15 claims
- 0857US12012886B1Dosing control and passive regeneration coordination with diagnosticGM GLOBAL TECH OPERATIONS LLC·Filed 2023·Granted Jun 18, 2024·0 cites·20 claims
- 0953US12281607B2Dosing control for SCR systemsGM GLOBAL TECH OPERATIONS LLC·Filed 2023·Granted Apr 22, 2025·0 cites·7 claims
- 1045US10323559B1Methods for controlling selective catalytic reduction systemsGM GLOBAL TECH OPERATIONS LLC·Filed 2017·Granted Jun 18, 2019·0 cites·20 claims
- 1143US10247076B2Exhaust treatment system including ammonia storage control systemGM GLOBAL TECH OPERATIONS LLC·Filed 2017·Granted Apr 2, 2019·0 cites·20 claims
- 1241US11435332B2Sensor offset diagnostic in idle and after-runGM GLOBAL TECH OPERATIONS LLC·Filed 2020·Granted Sep 6, 2022·0 cites·16 claims
- 1341US2019010851A1Selective catalytic reduction steady state ammonia slip and reductant breakthrough detectionGM GLOBAL TECH OPERATIONS LLC·Filed 2017·Application pending·0 cites
- 1439US10082061B1Predictive control for slip and breakthrough determination of selective catalytic reduction systemsGM GLOBAL TECH OPERATIONS LLC·Filed 2017·Granted Sep 25, 2018·0 cites·20 claims
- 1539US2018008932A1Def dosing for selective catalytic reduction catalystsGM GLOBAL TECH OPERATIONS LLC·Filed 2016·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →