Issued Patents 2003
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6622476 | Lean NOx storage estimation based on oxygen concentration corrected for water gas shift reaction | Gopichandra Surnilla | 2003-09-23 |
| 6594985 | Exhaust gas aftertreatment device efficiency estimation | Gopichandra Surnilla | 2003-07-22 |
| 6594986 | Oxidant storage capacity estimation | Gopichandra Surnilla | 2003-07-22 |
| 6591604 | Oxygen storage capacity estimation | Gopichandra Surnilla | 2003-07-15 |
| 6588200 | Method for correcting an exhaust gas oxygen sensor | Gopichandra Surnilla | 2003-07-08 |
| 6574953 | NOx purge air/fuel ratio selection | Gopichandra Surnilla, Jeffrey Scott Hepburn, John M. Roth, Joseph Robert Theis | 2003-06-10 |
| 6553757 | NOx purge air/fuel ratio selection | Gopichandra Surnilla | 2003-04-29 |