Issued Patents All Time
Showing 26–42 of 42 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8448423 | Method and apparatus for controlling operation of a spark-ignition direct-injection engine | Paul M. Najt, Kushal Narayanaswamy, Kevin L. Perry, Wei Li, James Donald Smith | 2013-05-28 |
| 8347857 | Method and device for improving charged engines | Paul M. Najt | 2013-01-08 |
| 8091348 | Method and apparatus for exhaust aftertreatment in an internal combustion engine | Wei Li | 2012-01-10 |
| 8091342 | Technique for production of ammonia on demand in a three way catalyst for a passive selective catalytic reduction system | Kevin L. Perry, Kushal Narayanaswamy, Paul M. Najt, Wei Li, James Donald Smith +2 more | 2012-01-10 |
| 8061318 | Method and apparatus for continuously variable differential phasing of engine valve operation | Paul M. Najt, Craig D. Marriott, Junseok Chang | 2011-11-22 |
| 8041498 | Lean nitrogen oxide emission control system and method | David Brown, Wei Li | 2011-10-18 |
| 8001768 | Method and apparatus for managing an exhaust gas feedstream for a spark-ignition direct-injection engine | Calvin K. Koch, Wei Li | 2011-08-23 |
| 7797923 | Control strategy for lean NOx trap regeneration | Sanjeev M. Naik | 2010-09-21 |
| 7765053 | Multi-injection combustion cycle systems for SIDI engines | Jesse M. Gwidt, Michael J. Lucido, Vijay Ramappan, Halim G. Santoso, Donovan L. Dibble | 2010-07-27 |
| 7565892 | Method and apparatus for controlling mode transition in a spark-ignition direct-injection internal combustion engine | Jyh-Shin Chen, Qi Ma | 2009-07-28 |
| 7401462 | Control strategy for lean NOx trap regeneration | Sanjeev M. Naik | 2008-07-22 |
| 7152559 | Valve and fueling strategy for operating a controlled auto-ignition four-stroke internal combustion engine | Tang-Wei Kuo, Barry L. Brown, Paul M. Najt, James A. Eng | 2006-12-26 |
| 7007460 | Apparatus and method for accelerated exhaust system component heating | Douglas Edward Frieden, Sanjeev M. Naik | 2006-03-07 |
| 6971365 | Auto-ignition gasoline engine combustion chamber and method | Paul M. Najt, Tang-Wei Kuo, James A. Eng, Barry L. Brown | 2005-12-06 |
| 6588396 | Spark ignition direct injection engine with oval fuel spray into oblong piston bowl | Tang-Wei Kuo, Paul M. Najt, Rodney B. Rask, Arun S. Solomon, Andreas M. Lippert +1 more | 2003-07-08 |
| 6494178 | Combustion chamber including piston for a spark-ignition, direct-injection combustion system | Tang-Wei Kuo, Paul M. Najt, Ko-Jen Wu | 2002-12-17 |
| 5746738 | Laser surgical device | Hyung Suk Ryu | 1998-05-05 |