Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12281607 | Dosing control for SCR systems | David P. Quigley | 2025-04-22 |
| 12140064 | Low temperature diesel aftertreatment regeneration strategy | Bryan D. Axe, Eric D. Thomas | 2024-11-12 |
| 12012886 | Dosing control and passive regeneration coordination with diagnostic | David P. Quigley | 2024-06-18 |
| 11435332 | Sensor offset diagnostic in idle and after-run | David P. Quigley, Kevin J. McKay, Scott R. Zechiel, Ruggiero Chiariello | 2022-09-06 |
| 11060429 | Diesel exhaust fluid quality based dosing adjustment, alerts, and inducement | Nicholas Girardi, David P. Quigley | 2021-07-13 |
| 10690079 | Method for diagnosing and controlling ammonia oxidation in selective catalytic reduction devices | Michael A. Smith, David E. Edwards, Min Sun, Gongshin Qi | 2020-06-23 |
| 10450933 | Downstream oxygen sensor performance for selective catalytic reduction | David P. Quigley, Pablo E. Hernandez Garcia, Madeleine Brancaccio | 2019-10-22 |
| 10450924 | Methods for assessing the condition of a selective catalytic reduction devices | Michael A. Smith, Giuseppe Mazzara Bologna | 2019-10-22 |
| 10443471 | Selective catalytic reduction dosing control | Eric M. Sisco, Jose Deleon | 2019-10-15 |
| 10378463 | Selective catalytic reduction steady state ammonia slip detection | David P. Quigley | 2019-08-13 |
| 10358966 | Limiting exposure of zeolite containing aftertreatment components to rich exhaust conditions | Michael A. Smith, Christopher Whitt, Shouxian Ren | 2019-07-23 |
| 10323559 | Methods for controlling selective catalytic reduction systems | Charles Dean, Po-I Lee, David P. Quigley | 2019-06-18 |
| 10247076 | Exhaust treatment system including ammonia storage control system | Michael A. Smith, David P. Quigley, Enrik Fetolli | 2019-04-02 |
| 10215072 | Methods for controlling and detecting catalyst poisoning of selective catalytic reduction devices | Michael A. Smith, Praveen S. Chavannavar, Po-I Lee, Thomas Larose, Jr. | 2019-02-26 |
| 10082061 | Predictive control for slip and breakthrough determination of selective catalytic reduction systems | David P. Quigley, David E. Edwards, Anirban Sett | 2018-09-25 |
| 9574483 | System and method for controlling exhaust gas temperature during particulate matter filter regeneration | Thomas Larose, Jr., Patrick Barasa, Michael V. Taylor | 2017-02-21 |
| 9194268 | Exhaust gas treatment system including an enhanced SCR diagnostic unit | Janean E. Kowalkowski, Amr Radwan | 2015-11-24 |
| 8893482 | System for determining sulfur storage of aftertreatment devices | Rebecca J. Darr, Paul Jasinkiewicz, Amr Radwan | 2014-11-25 |
| 8857152 | System and method for unloading hydrocarbon emissions from an exhaust after-treatment device | Christopher Whitt, Rebecca J. Darr, Thomas Larose, Jr. | 2014-10-14 |
| 8617495 | Exhaust gas aftertreatment desulfurization control | Rebecca J. Darr, Paul Jasinkiewicz, Amr Radwan | 2013-12-31 |
| 8479495 | Environmental factor based particulate filter regeneration | Thomas Larose, Jr., Eric R. Snyder, Paul Jasinkiewicz, Jason Daniel Mullins, James M. Perrin | 2013-07-09 |
| 8402748 | Diesel fuel alternative detection and correction systems and methods | — | 2013-03-26 |
| 8327621 | Oxidation catalyst outlet temperature correction systems and methods | Thomas Larose, Jr., Jason Daniel Mullins, Eric R. Snyder, Paul Jasinkiewicz, James M. Perrin | 2012-12-11 |