Issued Patents 2004
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6829885 | Nox trap efficiency | Grant Alan Ingram | 2004-12-14 |
| 6823843 | System and method to minimize the amount of NOx released from a NOx trap | Christian T. Goralski, Joseph Robert Theis, Justin Anthony Ura, Hungwen Jen | 2004-11-30 |
| 6820597 | Engine system and dual fuel vapor purging system with cylinder deactivation | Michael John Cullen, Christian T. Goralski | 2004-11-23 |
| 6810659 | Method for determining emission control system operability | David Karl Bidner | 2004-11-02 |
| 6799421 | Engine fueling control for catalyst desulfurization | — | 2004-10-05 |
| 6796117 | Method and system for preconditioning an emission control device for operation about stoichiometry | David George Farmer | 2004-09-28 |
| 6778898 | Computer controller for vehicle and engine system with carbon canister vapor storage | David Karl Bidner, Yonghua Li | 2004-08-17 |
| 6769398 | Idle speed control for lean burn engine with variable-displacement-like characteristic | Stephen B. Smith | 2004-08-03 |
| 6766641 | Temperature control via computing device | Shane Elwart, David Karl Bidner | 2004-07-27 |
| 6763656 | Method and apparatus for optimizing purge fuel for purging emissions control device | David Karl Bidner | 2004-07-20 |
| 6758185 | Method to improve fuel economy in lean burn engines with variable-displacement-like characteristics | John Ottavio Michelini, John M. Roth | 2004-07-06 |
| 6754578 | Computer instructions for control of multi-path exhaust system in an engine | David Karl Bidner, Michael John Cullen, Shane Elwart | 2004-06-22 |
| 6745747 | Method for air-fuel ratio control of a lean burn engine | — | 2004-06-08 |
| 6736120 | Method and system of adaptive learning for engine exhaust gas sensors | — | 2004-05-18 |
| 6735939 | System and method for monitoring and exhaust gas sensor in an engine | — | 2004-05-18 |
| 6735938 | Method to control transitions between modes of operation of an engine | — | 2004-05-18 |
| 6725830 | Method for split ignition timing for idle speed control of an engine | — | 2004-04-27 |
| 6715462 | Method to control fuel vapor purging | David Karl Bidner | 2004-04-06 |
| 6708483 | Method and apparatus for controlling lean-burn engine based upon predicted performance impact | Jerry D. Robichaux, David Karl Bidner | 2004-03-23 |
| 6691669 | Overall scheduling of a lean burn engine system | John M. Roth | 2004-02-17 |
| 6684631 | Method and system for reducing NOx tailpipe emissions of a lean-burn internal combustion engine | Jeffrey Scott Hepburn, Jerry D. Robichaux, Michael John Cullen | 2004-02-03 |
| 6672053 | Fueling control during emission control device purging | David Karl Bidner, Imad Hassan Makki | 2004-01-06 |