| 5692600 |
Rotary switch for use in hydraulic fluid |
— |
1997-12-02 |
| 5163295 |
Controlling exhaust gas recirculation in a pressure boosted internal combustion engine |
— |
1992-11-17 |
| 5052424 |
Electrically operated servo actuator with automatic shut off |
Norman E. Zerndt |
1991-10-01 |
| 4981283 |
Connection for servo operated valve |
Norman E. Zerndt |
1991-01-01 |
| 4930455 |
Controlling engine coolant flow and valve assembly therefor |
Brian Creed |
1990-06-05 |
| 4559971 |
Single coil vacuum/vent valve |
— |
1985-12-24 |
| 4531498 |
Exhaust gas recirculation control and subassemblies therefor |
— |
1985-07-30 |
| 4508134 |
Controlling EGR in an internal combustion engine and fluid pressure signal controller therefor |
William W. Kelly |
1985-04-02 |
| 4494510 |
Controlling EGR in an internal combustion engine and fluid pressure signal controller therefor |
William W. Kelly |
1985-01-22 |
| 4373495 |
Pressure transducer for exhaust gas recirculation system |
— |
1983-02-15 |
| 4365608 |
Controlling engine exhaust gas recirculation and vacuum inverter |
Martin W. Uitvlugt |
1982-12-28 |
| 4351285 |
Exhaust gas recycling modulator valve assembly |
— |
1982-09-28 |
| 4267855 |
Pneumatic vacuum regulator |
— |
1981-05-19 |
| 4256076 |
Exhaust gas recycling modulator valve assembly |
— |
1981-03-17 |
| 4196744 |
Exhaust gas recirculation control |
— |
1980-04-08 |