Issued Patents All Time
Showing 1–25 of 42 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11143073 | Methods and systems for a diesel oxidation catalyst | Douglas Allen Dobson, Timothy Brian Chanko | 2021-10-12 |
| 11105234 | Particulate filters | Xin Liu, Joseph Szente | 2021-08-31 |
| 11073056 | Methods and systems for exhaust emission control | Mira Bumbaroska, Jeong Yeol Kim, Douglas Allen Dobson | 2021-07-27 |
| 10954835 | Methods and systems for exhaust emission control | Douglas Allen Dobson, Joseph Robert Theis | 2021-03-23 |
| 10920645 | Systems and methods for on-board monitoring of a passive NOx adsorption catalyst | In Kwang Yoo, Michiel J. Van Nieuwstadt, Douglas Allen Dobson | 2021-02-16 |
| 10598061 | Methods and systems for a diesel oxidation catalyst | Douglas Allen Dobson, Timothy Brian Chanko | 2020-03-24 |
| 10018091 | Exhaust system | Cory Scott Hendrickson, Michiel J. Van Nieuwstadt | 2018-07-10 |
| 9914095 | Catalyst for automotive emissions control | Andrew Gregory Getsoian, Joseph Robert Theis | 2018-03-13 |
| 9903291 | Method of controlling NOx by PNA | Joseph Robert Theis, Justin Anthony Ura | 2018-02-27 |
| 9782761 | Selective catalytic reduction catalyst | Justin Anthony Ura, Giovanni Cavataio | 2017-10-10 |
| 9657626 | Emissions reduction system | Joseph Robert Theis, Douglas Allen Dobson | 2017-05-23 |
| 9650930 | Emission control device regeneration | Douglas Allen Dobson, James Robert Warner, James David Pakko, Jeffrey Scott Hepburn | 2017-05-16 |
| 9512764 | Ammonia storage management for SCR catalyst | Devesh Upadhyay, Michiel J. Van Nieuwstadt, David Wynn Philion | 2016-12-06 |
| 9441517 | Diesel engine exhaust treatment system | Yinyan Huang, Ed Badillo | 2016-09-13 |
| 9394822 | Emission control system including an oxidation catalyst and selective catalytic reduction catalyst | Justin Anthony Ura, Douglas Allen Dobson | 2016-07-19 |
| 9339800 | Methods for treating engine exhaust | Giovanni Cavataio, Hungwen Jen, James Robert Warner, James W. Girard | 2016-05-17 |
| 9304061 | Methods and systems for diagnostics of an emission system with more than one SCR region | Douglas Allen Dobson, Giovanni Cavataio, Ed Badillo, Gang Guo | 2016-04-05 |
| 9239019 | Particulate matter retaining system | Martyn Vincent Twigg | 2016-01-19 |
| 9120056 | Catalyst assembly for treating engine exhaust | Giovanni Cavataio, Hungwen Jen, James Robert Warner, James W. Girard | 2015-09-01 |
| 9061244 | System for reducing NOx in exhaust | James W. Girard, Giovanni Cavataio, Rachel Alison Snow | 2015-06-23 |
| 8883102 | Methods for controlling nitrous oxide emissions | William Charles Ruona | 2014-11-11 |
| 8844274 | Compact diesel engine exhaust treatment system | Yinyan Huang, Douglas Allen Dobson, Harendra S. Gandhi | 2014-09-30 |
| 8741241 | Methods and systems for an engine emission control system | Douglas Allen Dobson | 2014-06-03 |
| 8661882 | Methods and systems for diagnostics of an emission system with more than one SCR region | Douglas Allen Dobson, Giovanni Cavataio, Ed Badillo, Gang Guo | 2014-03-04 |
| 8631648 | Diesel turbine SCR catalyst | Yinyan Huang, Harold Huimin Sun, Christopher Oberski | 2014-01-21 |