Issued Patents All Time
Showing 151–159 of 159 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6164270 | Exhaust gas recirculation fault detection system | Douglas Raymond Martin | 2000-12-26 |
| 6024075 | Engine control system with exhaust gas recirculation and method for determining proper functioning of the EGR system in an automotive engine | Daniel V. Orzel, Jonathan D. Mehl, Ian J. Czaja | 2000-02-15 |
| 5727533 | Method and apparatus for monitoring EGR system flow | Alexander Y. Gopp, Shailesh Patel | 1998-03-17 |
| 5721375 | Method and apparatus for monitoring a valve deactivator on a variable displacement engine | — | 1998-02-24 |
| 5714673 | Method and apparatus for monitoring engine control sensors | Jerry D. Robichaux | 1998-02-03 |
| 5706793 | Method and system for monitoring fuel delivery of an engine | Daniel V. Orzel | 1998-01-13 |
| 5653102 | Air/fuel control system with catalytic converter monitoring for a variable displacement engine | Daniel V. Orzel, Glenn A. Zimlich | 1997-08-05 |
| 5617829 | Method for maintaining clean spark plugs in a variable displacement engine | Glenn A. Zimlich, Daniel V. Orzel | 1997-04-08 |
| 5515832 | Method of controlling internal combustion engine exhaust hydrocarbons | Michael John Cullen | 1996-05-14 |