Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10519883 | Catalyst temperature maintenance systems and methods | Arun S. Solomon, Gerald A. Szekely, Jr., David P. Sczomak | 2019-12-31 |
| 9995260 | Bi-fuel vehicle | Mahmoud H. Abd Elhamid, Anne M. Dailly, Mei Cai, Herman K. Phlegm, Ronald O. Grover, JR. | 2018-06-12 |
| 9957911 | Dedicated exhaust gas recirculation control systems and methods | David P. Sczomak, Edward J. Keating | 2018-05-01 |
| 9926825 | Method and apparatus for exhaust purification for an internal combustion engine | Cherian A. Idicheria, Paul M. Najt, Gerald A. Szekely, Jr., Joel G. Toner | 2018-03-27 |
| 9903248 | Method and apparatus for exhaust purification for an internal combustion engine | Cherian A. Idicheria, Paul M. Najt, Gerald A. Szekely, Jr., Joel G. Toner | 2018-02-27 |
| 9512793 | Combustion driven ammonia generation strategies for passive ammonia SCR system | Joel G. Toner, Gerald A. Szekely, Jr., Paul M. Najt | 2016-12-06 |
| 9180408 | Fuel efficient ammonia generation strategy for lean-burn engines utilizing passive NH3-SCR for the control of NOx | Kevin L. Perry, Wei Li, Paul M. Najt | 2015-11-10 |
| 9169763 | System and method for solar-powered control of exhaust after-treatment systems | Venkata Prasad Atluri, Paul M. Najt, Yongsheng He, Madhusudan Raghavan | 2015-10-27 |
| 9046051 | Method for operating a spark-ignition, direct-injection internal combustion engine | Calvin K. Koch, Paul M. Najt, Gerald A. Szekely, Jr., Joel G. Toner | 2015-06-02 |
| 8931257 | Technique for production of ammonia on demand in a three way catalyst for a passive selective catalytic reduction system | Paul M. Najt | 2015-01-13 |
| 8926926 | Exhaust particulate management for gasoline-fueled engines | Calvin K. Koch, Paul M. Najt, David L. Hilden | 2015-01-06 |
| 8616182 | Method and apparatus for controlling an internal combustion engine coupled to a passive selective catalytic reduction aftertreatment system | Nicole Wermuth, Paul M. Najt, Hanho Yun | 2013-12-31 |
| 8539760 | Catalyst materials for NOx oxidation in an exhaust aftertreatment system that uses passive ammonia SCR | Wei Li, Chang Hwan Kim, Kevin L. Perry, Paul M. Najt | 2013-09-24 |
| 8448423 | Method and apparatus for controlling operation of a spark-ignition direct-injection engine | Paul M. Najt, Kevin L. Perry, Wei Li, David Cleary, James Donald Smith | 2013-05-28 |
| 8443587 | Method for exhaust aftertreatment in an internal combustion engine | Paul M. Najt | 2013-05-21 |
| 8424289 | Technique for production of ammonia on demand in a three way catalyst for a passive selective catalytic reduction system | Paul M. Najt | 2013-04-23 |
| 8392091 | Using GPS/map/traffic info to control performance of aftertreatment (AT) devices | Kumaraswamy V. Hebbale, Man-Feng Chang, Jyh-Shin Chen, Yue Wang | 2013-03-05 |
| 8381512 | Passive ammonia-selective catalytic reduction for NOx control in internal combustion engines | Norman D. Brinkman, Paul M. Najt, David Brown, Wei Li, Kevin L. Perry +2 more | 2013-02-26 |
| 8302379 | Passive ammonia-selective catalytic reduction for NOx control in internal combustion engines | Paul M. Najt, Wei Li, 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, Wei Li, Paul M. Najt | 2012-10-23 |
| 8216521 | Method and apparatus for ammonia formation in a catalytic converter | Wei Li, Paul M. Najt, 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, Paul M. Najt, Wei Li, James Donald Smith +2 more | 2012-01-10 |