Issued Patents All Time
Showing 25 most recent of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10145281 | Synergistic combinations of low temperature NOx adsorbers | Shouxian Ren, Gongshin Qi, Wei Li | 2018-12-04 |
| 9850797 | Selective catalytic reduction device | Rahul Mital, Jianwen Li | 2017-12-26 |
| 9732687 | Perovskite oxide compounds for use in exhaust aftertreatment systems | Wei Li, David Brown, Chang Hwan Kim, Gongshin Qi | 2017-08-15 |
| 9597635 | Zeolite promoted silver based catalyst for NOx storage | Gongshin Qi, Shouxian Ren, Wei Li | 2017-03-21 |
| 9376948 | Vehicle and method of treating an exhaust gas | Chang Hwan Kim, Eugene V. Gonze, Michael J. Paratore, Jr. | 2016-06-28 |
| 9181843 | On-board diagnostic method for NO2 formation in an oxidation catalyst | Chang Hwan Kim, Janean E. Kowalkowski, David N. Belton | 2015-11-10 |
| 8984870 | Low temperature NOx storage system for lean exhaust aftertreatment | Chang Hwan Kim, Wei Li | 2015-03-24 |
| 8943811 | Perovskite-based catalysts, catalyst combinations and methods of making and using the same | Wei Li, David Brown, Chang Hwan Kim, Gongshin Qi | 2015-02-03 |
| 8920756 | Silver promoted close-coupled NOx absorber | Calvin K. Koch, Gongshin Qi, Wei Li | 2014-12-30 |
| 8906331 | Nitric oxide oxidation over silver-based catalysts | Calvin K. Koch, Gongshin Qi, Wei Li | 2014-12-09 |
| 8813478 | Selective catalytic reduction (SCR) system for NOx storage | Eugene V. Gonze, Michael J. Paratore, Jr., Chang Hwan Kim | 2014-08-26 |
| 8769932 | Cold start NO2 generation system | Eugene V. Gonze, Michael J. Paratore, Jr., Chang Hwan Kim | 2014-07-08 |
| 8713914 | Method and apparatus for monitoring a hydrocarbon-selective catalytic reduction device | Michael B. Viola, Shi-Wai S. Cheng, Patricia A. Mulawa, David L. Hilden, Thompson M. Sloane +1 more | 2014-05-06 |
| 8661788 | Exhaust aftertreatment systems that include an ammonia-SCR catalyst promoted with an oxygen storage material | Gongshin Qi, Chang Hwan Kim, Wei Li | 2014-03-04 |
| 8635862 | Control system for reducing nitrous oxide (“N2O”) after selective catalytic reduction (“SCR”) device light-off | Eugene V. Gonze, Chang Hwan Kim, Michael J. Paratore, Jr. | 2014-01-28 |
| 8621847 | Engine off NH3 based selective catalytic reduction NOX adsorber | Eugene V. Gonze, Michael J. Paratore, Jr., Chang Hwan Kim | 2014-01-07 |
| 8505282 | Selective catalytic reduction (SCR) device control system | Eugene V. Gonze, Michael J. Paratore, Jr., Chang Hwan Kim | 2013-08-13 |
| 8466083 | Bi-functional catalyst materials for lean exhaust NOx reduction | Gongshin Qi, Wei Li, Chang Hwan Kim | 2013-06-18 |
| 8393140 | Passive ammonia-selective catalytic reduction for NOx control in internal combustion engines | Kevin L. Perry, Karthik Ramanathan, Ashok Gopinath | 2013-03-12 |
| 8377400 | Methods and systems for oxidizing nitric oxide in a gas stream | Chang Hwan Kim, Gongshin Qi, Wei Li, David Brown | 2013-02-19 |
| 8302379 | Passive ammonia-selective catalytic reduction for NOx control in internal combustion engines | Kushal Narayanaswamy, Paul M. Najt, Wei Li, Kevin L. Perry | 2012-11-06 |
| 8268274 | Catalyst combinations and methods and systems for oxidizing nitric oxide in a gas stream | Chang Hwan Kim, David Brown, Wei Li, Gongshin Qi | 2012-09-18 |
| 8186151 | Method to monitor HC-SCR catalyst NOx reduction performance for lean exhaust applications | Michael B. Viola, Thompson M. Sloane, David L. Hilden, Patricia A. Mulawa, Jong-Hwan Lee +1 more | 2012-05-29 |
| 8006481 | Method and apparatus to selectively reduce NOx in an exhaust gas feedstream | Richard J. Blint, Ling Deng, Michael B. Viola, Jong-Hwan Lee | 2011-08-30 |
| 7943548 | Catalysts to reduce NOx in an exhaust gas stream and methods of preparation | Christopher R. Castellano, Ahmad Moini, Gerald Stephen Koermer, Howard Furbeck, Richard J. Blint | 2011-05-17 |