Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9784224 | Latching solenoid exhaust gas recirculation valve assembly | Craig Andrew Weldon, David William Balsdon, Rick Vanwetten, Raymond Rasokas | 2017-10-10 |
| 6612338 | Fuel tank pressure control valve | Craig Andrew Weldon, John E. Cook | 2003-09-02 |
| 5511531 | EGR valve with force balanced pintle | John E. Cook | 1996-04-30 |
| 5448981 | Regulated flow canister purge system | John E. Cook | 1995-09-12 |
| 5401001 | Internal combustion engine exhaust control valve | John E. Cook, Gary Everingham, David J. Hazen, Gordon W. Sweetnam | 1995-03-28 |
| 5237980 | On-board fuel vapor recovery system having improved canister purging | — | 1993-08-24 |
| 5226398 | Regulated flow canister purge system | John E. Cook | 1993-07-13 |
| 5199404 | Regulated flow canister purge system | John E. Cook | 1993-04-06 |
| 5188141 | Vacuum boost valve | John E. Cook, Murray F. Busato | 1993-02-23 |
| 4901974 | Canister purge solenoid valve | John E. Cook | 1990-02-20 |