Issued Patents All Time
Showing 25 most recent of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10953366 | Nitrogen oxides and hydrocarbon storage catalyst and methods of using the same | Ming Yang, Lei Wang, Wei Li | 2021-03-23 |
| 10947885 | Passive nitric oxide storage catalyst management | Christopher Whitt, Michael A. Smith | 2021-03-16 |
| 10907521 | Methods for operating and diagnosing internal combustion engine exhaust gas treatment systems | Gongshin Qi, Rahul Mital, Anirban Sett | 2021-02-02 |
| 10456746 | Selective catalytic reduction filter for reducing nitrous oxide formation and methods of using the same | Gongshin Qi | 2019-10-29 |
| 10400654 | NOx storage catalyst monitoring methods | Michelle H. Wiebenga, Wei Li | 2019-09-03 |
| 10399037 | Nitrogen oxides storage catalyst and methods of using the same | Lei Wang, Wei Li | 2019-09-03 |
| 10358966 | Limiting exposure of zeolite containing aftertreatment components to rich exhaust conditions | Michael A. Smith, Christopher Whitt, Sarah Funk | 2019-07-23 |
| 10161277 | Capacitor-powered catalyst heater | Scott W. Jorgensen | 2018-12-25 |
| 10145281 | Synergistic combinations of low temperature NOx adsorbers | Gongshin Qi, Steven J. Schmieg, Wei Li | 2018-12-04 |
| 10040029 | Efficient lean NOx trap regeneration with enchanced ammonia formation | Rahul Mital, Jianwen Li, Andrea De Filippo, Chang Hwan Kim | 2018-08-07 |
| 10005031 | Dual-layer catalyst | Se H. Oh, Yong Miao | 2018-06-26 |
| 9597635 | Zeolite promoted silver based catalyst for NOx storage | Gongshin Qi, Steven J. Schmieg, Wei Li | 2017-03-21 |
| 9084966 | Diesel oxidation catalyst aging level determination using NOX sensor NO2 interference | Raffaello Ardanese, Vincent J. Tylutki, Christopher P. Musienko, Chang Hwan Kim | 2015-07-21 |
| 9046025 | Selective catalytic reduction device monitoring system | Raffaello Ardanese, Min Sun, Justin Adam Shetney, Christopher P. Musienko | 2015-06-02 |
| 8887495 | Ash filter, exhaust gas treatment system incorporating the same and method of using the same | David Brown, Michael Christopher Luckham | 2014-11-18 |
| 8778290 | Compact exhaust gas treatment systems for diesel applications | Rahul Mital, James B. Rodgers | 2014-07-15 |
| 8720189 | Apparatus and method for onboard performance monitoring of oxidation catalyst | Scott R. Gordon | 2014-05-13 |
| 8479500 | Exhaust treatment system for an internal combustion engine | Rahul Mital, Jason Daniel Mullins | 2013-07-09 |
| 8409515 | Exhaust gas treatment system | Michael Christopher Luckham, David Brown | 2013-04-02 |
| 8205440 | Intrusive SCR efficency testing systems and methods for vehicles with low temperature exhaust gas | Stephen Paul Levijoki | 2012-06-26 |
| 8176729 | Perturbation control strategy for low-temperature urea SCR NOx reduction | — | 2012-05-15 |
| 8122712 | Exhaust system with improved NOX emission control | Ryu Hariyoshi | 2012-02-28 |
| 8108154 | NOx emission estimation systems and methods | Ravishankar Ramamurthy | 2012-01-31 |
| 7712311 | Turbocharger assembly with catalyst coating | Carnell E. Williams | 2010-05-11 |
| 7047730 | De-sulfurization of a NOx adsorber catalyst in a diesel engine exhaust system | Xinlei Wang, Patrick Barasa, Justin O'Connor | 2006-05-23 |