Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6722187 | Enhanced vacuum decay diagnostic and integration with purge function | Malcolm James Grieve, Kenneth M. Simpson, Michael J. Steckler, Carelton Williams | 2004-04-20 |
| 6564622 | Method of determining soak-related time intervals of an internal combustion engine | Alton L. Schuessler, David Allen Dues, Nicholas Colella, Myron H. Bell | 2003-05-20 |
| 6390077 | Adaptive flow restriction test method for an exhaust gas recirculation system | Kenneth M. Simpson, Michael Cottrell, Hallett D. Breidenbach, Alton L. Schuessler | 2002-05-21 |
| 6382017 | Evaporative emission leak detection method with vapor generation compensation | Kenneth M. Simpson | 2002-05-07 |
| 6334355 | Enhanced vacuum decay diagnostic and integration with purge function | Malcolm James Grieve, Kenneth M. Simpson, Michael J. Steckler, Carelton Williams | 2002-01-01 |
| 6321695 | Model-based diagnostic method for an engine cooling system | In Kwang Yoo, Kenneth M. Simpson | 2001-11-27 |
| 6311548 | Method of validating a diagnostic leak detection test for a fuel tank | Hallett D. Breidenbach, Kenneth M. Simpson | 2001-11-06 |
| 6308119 | Preset diagnostic leak detection method for an automotive evaporative emission system | Michael J. Steckler, Kenneth M. Simpson, Malcolm James Grieve | 2001-10-23 |