Issued Patents 2002
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6497228 | Method for selecting a cylinder group when adjusting a frequency of air/fuel ratio oscillations | Richard A. Booth, Kenneth John Behr | 2002-12-24 |
| 6467254 | Diagnostic system for detecting catalyst failure using switch ratio | Michael John Cullen, Kenneth John Behr, Richard A. Booth | 2002-10-22 |
| 6425242 | Diagnostic system for monitoring catalyst operation using arc length ratio | Richard A. Booth, Kenneth John Behr, Michael John Cullen | 2002-07-30 |
| 6422214 | Fuel tank pressure control system | Jae Chung, Jeffrey Allen Doering, Marianne L. Vykydal, Patrick J. Curran | 2002-07-23 |
| 6378505 | Fuel tank pressure control system | Jeffrey Allen Doering, Jae Chung, Marianne L. Vykydal, Patrick J. Curran | 2002-04-30 |
| 6357430 | Method and system for calculating engine load ratio during rapid throttle changes | Michael John Cullen, Jeffrey Allen Doering | 2002-03-19 |
| 6354077 | Method and system for controlling air/fuel level in two-bank exhaust system | Kenneth John Behr, Richard A. Booth | 2002-03-12 |