Issued Patents 2002
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6499293 | Method and system for reducing NOx tailpipe emissions of a lean-burn internal combustion engine | Gopichandra Surnilla, Jerry D. Robichaux, Michael John Cullen | 2002-12-31 |
| 6487853 | Method and system for reducing lean-burn vehicle emissions using a downstream reductant sensor | JoAnne Temple, Mark Allen Dearth | 2002-12-03 |
| 6453666 | Method and system for reducing vehicle tailpipe emissions when operating lean | Gopichandra Surnilla, Jerry D. Robichaux, Michael John Cullen | 2002-09-24 |
| 6434930 | Method and apparatus for controlling lean operation of an internal combustion engine | Michael John Cullen, David Karl Bidner, Gopichandra Surnilla, Jerry D. Robichaux | 2002-08-20 |
| 6378359 | Method and system for evaluating exhaust on-board diagnostics system | Douglas Allen Dobson, Michael Igor Kluzner, Robert Joseph Jerger, Timothy Brian Chanko, William L. H. Watkins | 2002-04-30 |
| 6360530 | Method and apparatus for measuring lean-burn engine emissions | Jerry D. Robichaux, Gopichandra Surnilla, Michael John Cullen | 2002-03-26 |