Issued Patents All Time
Showing 76–100 of 107 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8765092 | Non-stoichiometric perovskite oxide oxidation catalyst for oxidizing NO to NO2 | Gongshin Qi, Xinquan Wang, Meiqing Shen | 2014-07-01 |
| 8754794 | Methods and apparatus for calibrating pipeline analog-to-digital converters | Weiqi Ding, Wilson Wong | 2014-06-17 |
| 8745969 | Methods for engine exhaust NOx control using no oxidation in the engine | Thompson M. Sloane, David Cleary, Kevin L. Perry, Michael B. Viola, David R. Monroe | 2014-06-10 |
| 8674862 | Systems and methods for digital calibration of successive-approximation-register analog-to-digital converter | Weiqi Ding, Yanjing Ke | 2014-03-18 |
| 8661788 | Exhaust aftertreatment systems that include an ammonia-SCR catalyst promoted with an oxygen storage material | Gongshin Qi, Chang Hwan Kim, Steven J. Schmieg | 2014-03-04 |
| 8539760 | Catalyst materials for NOx oxidation in an exhaust aftertreatment system that uses passive ammonia SCR | Chang Hwan Kim, Kevin L. Perry, Paul M. Najt, Kushal Narayanaswamy | 2013-09-24 |
| 8513155 | Perovskite-type compounds for use in lean NOx traps | Chang Hwan Kim, Gongshin Qi | 2013-08-20 |
| 8479493 | Oxidation catalysts for engines producing low temperature exhaust streams | Chang Hwan Kim, Iljeong Heo, Se H. Oh, Michelle H Schmid | 2013-07-09 |
| 8466083 | Bi-functional catalyst materials for lean exhaust NOx reduction | Steven J. Schmieg, Gongshin Qi, Chang Hwan Kim | 2013-06-18 |
| 8448423 | Method and apparatus for controlling operation of a spark-ignition direct-injection engine | Paul M. Najt, Kushal Narayanaswamy, Kevin L. Perry, David Cleary, James Donald Smith | 2013-05-28 |
| 8409518 | Sulfur tolerant perovskite supported catalysts | Chang Hwan Kim, Richard J. Blint | 2013-04-02 |
| 8404201 | Mn, Ce and Zr mixed oxides oxidation catalyst | Gongshin Qi | 2013-03-26 |
| 8387448 | Method for monitoring exhaust gas aftertreatment devices | David Brown, Chang Hwan Kim | 2013-03-05 |
| 8381512 | Passive ammonia-selective catalytic reduction for NOx control in internal combustion engines | Norman D. Brinkman, Paul M. Najt, Kushal Narayanaswamy, David Brown, Kevin L. Perry +2 more | 2013-02-26 |
| 8377400 | Methods and systems for oxidizing nitric oxide in a gas stream | Steven J. Schmieg, Chang Hwan Kim, Gongshin Qi, David Brown | 2013-02-19 |
| 8343888 | Washcoating technique for perovskite catalysts | Chang Hwan Kim, Kevin Dahlberg | 2013-01-01 |
| 8318119 | Method for preparing perovskite oxide-based catalyst particles | Gongshin Qi | 2012-11-27 |
| 8302379 | Passive ammonia-selective catalytic reduction for NOx control in internal combustion engines | Kushal Narayanaswamy, Paul M. Najt, Kevin L. Perry, Steven J. Schmieg | 2012-11-06 |
| 8291695 | Method and apparatus for controlling exhaust emissions in a spark-ignition direct-injection engine | Kevin L. Perry, Thompson M. Sloane, Jong-Hwan Lee, Kushal Narayanaswamy, Paul M. Najt | 2012-10-23 |
| 8268274 | Catalyst combinations and methods and systems for oxidizing nitric oxide in a gas stream | Chang Hwan Kim, David Brown, Steven J. Schmieg, Gongshin Qi | 2012-09-18 |
| 8226915 | Coated perovskite-based catalysts, catalyst combinations and methods of treating a gas stream | Gongshin Qi, Chang Hwan Kim | 2012-07-24 |
| 8216521 | Method and apparatus for ammonia formation in a catalytic converter | Paul M. Najt, Kushal Narayanaswamy, Kevin L. Perry, Chang Hwan Kim | 2012-07-10 |
| 8091342 | Technique for production of ammonia on demand in a three way catalyst for a passive selective catalytic reduction system | Kevin L. Perry, David Cleary, Kushal Narayanaswamy, Paul M. Najt, James Donald Smith +2 more | 2012-01-10 |
| 8091348 | Method and apparatus for exhaust aftertreatment in an internal combustion engine | David Cleary | 2012-01-10 |
| 8057767 | Base metal oxides oxidation catalyst | Gongshin Qi | 2011-11-15 |