Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10718258 | Spark-ignited direct-injection engine combustion systems | William F. Spruit, David P. Sczomak | 2020-07-21 |
| 10519883 | Catalyst temperature maintenance systems and methods | Kushal Narayanaswamy, Gerald A. Szekely, Jr., David P. Sczomak | 2019-12-31 |
| 10487753 | Method and apparatus for controlling operation of an internal combustion engine | Cherian A. Idicheria, Hanho Yun, Paul M. Najt | 2019-11-26 |
| 10077727 | Engine control systems and methods for nitrogen oxide reduction | David P. Sczomak, Robert Gallon, Robert S. McAlpine | 2018-09-18 |
| 9915221 | System and method for engine combustion | David P. Sczomak, Robert Gallon | 2018-03-13 |
| 9845763 | Method for controlling an internal combustion engine | Ronald M. Otto | 2017-12-19 |
| 8146555 | Direct-injection spark-ignition system | Ronald M. Otto, Patrick G. Szymkowicz | 2012-04-03 |
| 7740002 | Fuel injector | Yangbing Zeng, Andreas M. Lippert, Rodney B. Rask | 2010-06-22 |
| 7610900 | Method and apparatus for operating a spark-ignited direct fuel injection engine | Andreas M. Lippert, Ronald M. Otto, Scott E. Parrish, Ansis Upatnieks, Yangbing Zeng | 2009-11-03 |
| 6745745 | Combustion chamber for reverse tumble spark ignition direct injection engine | Mark S. Huebler, Alexander Millerman, Ronald M. Otto, Gerald A. Szekely, Jr., Ping-Ho Tsai | 2004-06-08 |
| 6588396 | Spark ignition direct injection engine with oval fuel spray into oblong piston bowl | David Cleary, Tang-Wei Kuo, Paul M. Najt, Rodney B. Rask, Andreas M. Lippert +1 more | 2003-07-08 |
| 5730369 | Fuel injection | Stephen F. De Nagel, Edward D. Klomp | 1998-03-24 |
| 4903669 | Method and apparatus for closed loop fuel control | Edward G. Groff, Stephen F. De Nagel | 1990-02-27 |