Issued Patents All Time
Showing 126–150 of 159 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6688282 | Power-based idle speed control | Carol Louise Okubo, Jeffrey Allen Doering, John Ottavio Michelini | 2004-02-10 |
| 6672053 | Fueling control during emission control device purging | Gopichandra Surnilla, Imad Hassan Makki | 2004-01-06 |
| 6629453 | Method and apparatus for measuring the performance of an emissions control device | Gopichandra Surnilla | 2003-10-07 |
| 6559647 | Diagnosing spark plugs malfunction in a dual plug engine | Lynn Edward Davison, William Najib Mansur | 2003-05-06 |
| 6539704 | Method for improved vehicle performance | Gopichandra Surnilla | 2003-04-01 |
| 6532732 | Method for improved vehicle performance | Gopichandra Surnilla | 2003-03-18 |
| 6490856 | Control for improved vehicle performance | Gopichandra Surnilla | 2002-12-10 |
| 6490855 | Fueling control during emission control device purging | Gopichandra Surnilla, Imad Hassan Makki | 2002-12-10 |
| 6487850 | Method for improved engine control | Gopichandra Surnilla | 2002-12-03 |
| 6487849 | Method and apparatus for controlling lean-burn engine based upon predicted performance impact and trap efficiency | Gopichandra Surnilla | 2002-12-03 |
| 6481199 | Control for improved vehicle performance | Gopichandra Surnilla | 2002-11-19 |
| 6477832 | Method for improved performance of a vehicle having an internal combustion engine | Gopichandra Surnilla | 2002-11-12 |
| 6438944 | Method and apparatus for optimizing purge fuel for purging emissions control device | Gopichandra Surnilla | 2002-08-27 |
| 6434930 | Method and apparatus for controlling lean operation of an internal combustion engine | Michael John Cullen, Gopichandra Surnilla, Jeffrey Scott Hepburn, Jerry D. Robichaux | 2002-08-20 |
| 6427437 | Method for improved performance of an engine emission control system | Gopichandra Surnilla | 2002-08-06 |
| 6418711 | Method and apparatus for estimating lean NOx trap capacity | Gopichandra Surnilla, Grant Alan Ingram | 2002-07-16 |
| 6415656 | Onboard diagnostic misfire detection monitor for internal combustion engines | Glenn A. Zimlich, Jerry D. Robichaux | 2002-07-09 |
| 6411882 | Drive-by-wire vehicle engine output control system | Mathew Alan Boesch, Gopichandra Surnilla, Jerry D. Robichaux | 2002-06-25 |
| 6389803 | Emission control for improved vehicle performance | Gopichandra Surnilla | 2002-05-21 |
| 6374597 | Method and apparatus for accessing ability of lean NOx trap to store exhaust gas constituent | Gopichandra Surnilla | 2002-04-23 |
| 6363715 | Air/fuel ratio control responsive to catalyst window locator | Gopichandra Sumilla, Imad Hassan Makki, James Michael Kerns, Stephen B. Smith | 2002-04-02 |
| 6327847 | Method for improved performance of a vehicle | Gopichandra Surnilla | 2001-12-11 |
| 6308515 | Method and apparatus for accessing ability of lean NOx trap to store exhaust gas constituent | Gopichandra Surnilla | 2001-10-30 |
| 6308697 | Method for improved air-fuel ratio control in engines | Gopichandra Surnilla | 2001-10-30 |
| 6257214 | Exhaust gas recirculation monitor | Douglas Raymond Martin, Michael John Cullen | 2001-07-10 |