Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9228512 | EGR flow metering systems and methods | Gang Chen, Hussein Dourra, Drushan Mavalankar | 2016-01-05 |
| 6830039 | System and method for determining purge valve flow tolerance | Mark J. Duty | 2004-12-14 |
| 6318345 | Purge vapor start feature | Mark J. Duty | 2001-11-20 |
| 6240900 | Individual knock threshold | Christopher P. Thomas, William D. Rotramel, Howard W. Krausman, Joseph C. Umloff | 2001-06-05 |
| 6237580 | Purge fueling delivery based on dynamic crankshaft fueling control | Kenneth P. DeGroot, Mark J. Duty | 2001-05-29 |
| 6085734 | Fuel multiplier transfer from dynamic crankshaft fueling control to oxygen sensor operation | Kenneth P. DeGroot, Bruce H. Teague, Jeremy Smith | 2000-07-11 |
| 5901684 | Method for processing crankshaft speed fluctuations for control applications | John Fiaschetti, Kenneth P. DeGroot, Mark S. Borland | 1999-05-11 |
| 5826426 | Oxygen sensor linearization system and method | Christopher P. Thomas, Michael T. Vincent, Michael W. Weglarz, Gary L. Seitz | 1998-10-27 |
| 5809969 | Method for processing crankshaft speed fluctuations for control applications | John Fiaschetti, Kenneth P. DeGroot, Mark S. Borland | 1998-09-22 |
| 5701865 | Method of adjusting idle spark for an individual cylinder of an internal combustion engine | Christopher P. Thomas, Jay C. McCombie, Jeffery C. Ehlers, Dennis A. Soltis | 1997-12-30 |
| 5634868 | Method for advanced crank spark with blend spark retard for an engine | Christopher P. Thomas, Kenneth P. DeGroot, Gerald R. Honkanen, Thomas A. Larson | 1997-06-03 |
| 5542390 | Method of altitude compensation of exhaust gas recirculation in an intake manifold for an internal combustion engine | Peter G. Hartman, Keith L. Jones, Thomas A. Larson | 1996-08-06 |
| 5537977 | Method of estimating exhaust gas recirculation in an intake manifold for an internal combustion engine | Peter G. Hartman, Keith L. Jones, Thomas A. Larson | 1996-07-23 |
| 5492102 | Method of throttle fuel lean-out for internal combustion engines | Christopher P. Thomas, Glen E. Tallarek, Gregory J. Dykstra, Joseph B. Adams | 1996-02-20 |
| 5469826 | Method of load and speed modifying on fuel lean-out for internal combustion engines | Christopher P. Thomas, Glen E. Tallarek | 1995-11-28 |
| 5427071 | Method of catalyst purging fuel lean-out for internal combustion engines | Christopher P. Thomas, Glen E. Tallarek, Michael T. Vincent | 1995-06-27 |
| 5427070 | Method of averaging coolant temperature for an internal combustion engine | Christopher P. Thomas, Glen E. Tallarek | 1995-06-27 |
| 5427082 | Method of proportional deceleration fuel lean-out for internal combustion engines | Christopher P. Thomas, Glen E. Tallarek, Michael T. Vincent | 1995-06-27 |
| 5249559 | Method for idle speed compensation due to air conditioner operation | Richard K. Moote, Terry R. Gutermuth, James R. Tamm | 1993-10-05 |
| 5233962 | Knock strategy including high octane spark advance | Francis M. Fodale, Gregory J. Dykstra, Robert E. Lee, James M. Witalec, James T. Wyrembelski | 1993-08-10 |
| 5003944 | Transition fuel multiplier | Richard K. Moote, William O. Robinson | 1991-04-02 |