Issued Patents 2002
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6499293 | Method and system for reducing NOx tailpipe emissions of a lean-burn internal combustion engine | Jeffrey Scott Hepburn, Jerry D. Robichaux, Michael John Cullen | 2002-12-31 |
| 6490860 | Open-loop method and system for controlling the storage and release cycles of an emission control device | David George Farmer, Michael John Cullen | 2002-12-10 |
| 6490856 | Control for improved vehicle performance | David Karl Bidner | 2002-12-10 |
| 6490855 | Fueling control during emission control device purging | David Karl Bidner, Imad Hassan Makki | 2002-12-10 |
| 6487849 | Method and apparatus for controlling lean-burn engine based upon predicted performance impact and trap efficiency | David Karl Bidner | 2002-12-03 |
| 6487850 | Method for improved engine control | David Karl Bidner | 2002-12-03 |
| 6481199 | Control for improved vehicle performance | David Karl Bidner | 2002-11-19 |
| 6477832 | Method for improved performance of a vehicle having an internal combustion engine | David Karl Bidner | 2002-11-12 |
| 6470869 | Direct injection variable valve timing engine control system and method | John D. Russell, Stephen Lee Cooper | 2002-10-29 |
| 6467259 | Method and system for operating dual-exhaust engine | David George Farmer | 2002-10-22 |
| 6453666 | Method and system for reducing vehicle tailpipe emissions when operating lean | Jeffrey Scott Hepburn, Jerry D. Robichaux, Michael John Cullen | 2002-09-24 |
| 6438944 | Method and apparatus for optimizing purge fuel for purging emissions control device | David Karl Bidner | 2002-08-27 |
| 6434930 | Method and apparatus for controlling lean operation of an internal combustion engine | Michael John Cullen, David Karl Bidner, Jeffrey Scott Hepburn, Jerry D. Robichaux | 2002-08-20 |
| 6427437 | Method for improved performance of an engine emission control system | David Karl Bidner | 2002-08-06 |
| 6418711 | Method and apparatus for estimating lean NOx trap capacity | David Karl Bidner, Grant Alan Ingram | 2002-07-16 |
| 6411882 | Drive-by-wire vehicle engine output control system | David Karl Bidner, Mathew Alan Boesch, Jerry D. Robichaux | 2002-06-25 |
| 6389803 | Emission control for improved vehicle performance | David Karl Bidner | 2002-05-21 |
| 6390948 | Transmission ratio change control during mode transitions in lean burn/DISI engines | Pramod Jain | 2002-05-21 |
| 6374597 | Method and apparatus for accessing ability of lean NOx trap to store exhaust gas constituent | David Karl Bidner | 2002-04-23 |
| 6360530 | Method and apparatus for measuring lean-burn engine emissions | Jerry D. Robichaux, Jeffrey Scott Hepburn, Michael John Cullen | 2002-03-26 |
| 6360529 | Method and apparatus for enabling lean engine operation upon engine start-up | Michael John Cullen | 2002-03-26 |