Issued Patents All Time
Showing 26–50 of 50 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6152115 | Integrated engine intake manifold having a fuel vapor purge valve and an exhaust gas recirculation valve | David William Balsdon, John E. Cook | 2000-11-28 |
| 6138652 | Method of making an automotive emission control module having fluid-power-operated actuator, fluid pressure regulator valve, and sensor | John E. Cook | 2000-10-31 |
| 6116224 | Automotive vehicle having a novel exhaust gas recirculation module | John E. Cook | 2000-09-12 |
| 6102364 | Control accuracy of a pulse-operated electromechanical device | — | 2000-08-15 |
| 6073617 | Manifold-mounted emission control valve | David William Balsdon, John E. Cook | 2000-06-13 |
| 6058913 | Emission control valve with integral filter | John E. Cook | 2000-05-09 |
| 6000677 | Automotive emission control valve with a counter-force mechanism | John E. Cook, David William Balsdon, Gerry Bruneel, Rick Van Wetten, Robert Faulkner +1 more | 1999-12-14 |
| 5996559 | Integrated manifold and purge valve | David William Balsdon, John E. Cook | 1999-12-07 |
| 5967487 | Automotive emission control valve with a cushion media | John E. Cook, David William Balsdon, Gerry Bruneel, Rick Van Wetten, Robert Faulkner +1 more | 1999-10-19 |
| 5957115 | Pulse interval leak detection system | John E. Cook, Paul D. Perry | 1999-09-28 |
| 5950576 | Proportional coolant valve | John E. Cook | 1999-09-14 |
| 5924675 | Automotive emission control valve having two-part solenoid pole piece | Scott E. W. Hussey, Allan Tamman | 1999-07-20 |
| 5909725 | Automotive emission control valve retaining clip and mounting method | David William Balsdon | 1999-06-08 |
| 5901688 | Automotive emission control valve mounting | David William Balsdon | 1999-05-11 |
| 5727532 | Canister purge system having improved purge valve control | Gary Everingham, John E. Cook, Paul D. Perry | 1998-03-17 |
| 5635630 | Leak detection assembly | Gary Dawson, William B. Blomquist, John E. Cook | 1997-06-03 |
| 5551406 | Canister purge system having improved purge valve | Gary Everingham, John E. Cook, Paul D. Perry | 1996-09-03 |
| 5499614 | Means and method for operating evaporative emission system leak detection pump | Paul D. Perry, John E. Cook | 1996-03-19 |
| 5474050 | Leak detection pump with integral vent seal | John E. Cook, Paul D. Perry | 1995-12-12 |
| 5411004 | Positive pressure canister purge system integrity confirmation | John E. Cook | 1995-05-02 |
| 5383437 | Integrity confirmation of evaporative emission control system against leakage | John E. Cook, Gary L. Casey, John D. Hanson | 1995-01-24 |
| 5297529 | Positive pressure canister purge system integrity confirmation | John E. Cook | 1994-03-29 |
| 5188141 | Vacuum boost valve | John E. Cook, William C. Gillier | 1993-02-23 |
| 5146902 | Positive pressure canister purge system integrity confirmation | John E. Cook | 1992-09-15 |
| 5065575 | Air flow/check valve | John E. Cook | 1991-11-19 |