Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5832722 | Method and apparatus for maintaining catalyst efficiency of a NO.sub.x trap | Michael John Cullen, David George Farmer, Jeffrey Scott Hepburn | 1998-11-10 |
| 5787380 | Air/fuel control including lean cruise operation | Michael John Cullen, David George Farmer | 1998-07-28 |
| 5483818 | Method and apparatus for detecting ionic current in the ignition system of an internal combustion engine | Thomas E. Jones, Robert Bruno Bucciarelli | 1996-01-16 |
| 5321978 | Method and apparatus for detecting cylinder misfire in an internal combustion engine | Daniel V. Orzel, Jeffrey Koncsol | 1994-06-21 |
| 5211154 | Method and apparatus for maintaining stoichiometric air-to-fuel ratio in an internal combustion engine | — | 1993-05-18 |
| 4459968 | Ignition system | David H. Fox, Richard H. Lawton | 1984-07-17 |