Issued Patents All Time
Showing 451–475 of 534 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6915630 | Engine control for a vehicle equipped with an emission control device | Jeffrey Scott Hepburn, John M. Roth | 2005-07-12 |
| 6912842 | Oxygen storage capacity estimation | David Karl Bidner, Grant Alan Ingram | 2005-07-05 |
| 6904751 | Engine control and catalyst monitoring with downstream exhaust gas sensors | Imad Hassan Makki, James Michael Kerns, Stephen B. Smith | 2005-06-14 |
| 6901327 | Computer instructions for control of multi-path exhaust system in an engine | David Karl Bidner, Michael John Cullen, Shane Elwart | 2005-05-31 |
| 6879906 | Engine control and catalyst monitoring based on estimated catalyst gain | Imad Hassan Makki, James Michael Kerns, Stephen B. Smith | 2005-04-12 |
| 6874312 | Oxidant storage capacity estimation | Grant Alan Ingram | 2005-04-05 |
| 6874490 | Method and system of adaptive learning for engine exhaust gas sensors | — | 2005-04-05 |
| 6868667 | Method for rapid catalyst heating | — | 2005-03-22 |
| 6868827 | Method for controlling transitions between operating modes of an engine for rapid heating of an emission control device | — | 2005-03-22 |
| 6860100 | Degradation detection method for an engine having a NOx sensor | David Karl Bidner | 2005-03-01 |
| 6854264 | Computer controlled engine adjustment based on an exhaust flow | Shane Elwart | 2005-02-15 |
| 6848417 | Lean idle speed control using fuel and ignition timing | Hans Gangwar, Stephen B. Smith | 2005-02-01 |
| 6843051 | Method and apparatus for controlling lean-burn engine to purge trap of stored NOx | David Karl Bidner | 2005-01-18 |
| 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 |