| 7316227 |
Temperature-controlled PCV valve |
Ken Zhao, Matthew Fratantonio |
2008-01-08 |
| 7311091 |
Temperature-controlled PCV valve |
— |
2007-12-25 |
| 7017564 |
Temperature-controlled PCV valve |
Ken Zhao |
2006-03-28 |
| 6764020 |
Thermostat apparatus for use with temperature control system |
Ken Zhao, Matthew Fratantonio |
2004-07-20 |
| 6742716 |
Thermostat |
Ken Zhao, Matthew Fratantonio |
2004-06-01 |
| 5799625 |
Electronically controlled engine cooling apparatus |
Leszek Ziolek, David J. Nenno |
1998-09-01 |
| 5749515 |
Valve venting apparatus |
— |
1998-05-12 |
| 5582138 |
Electronically controlled engine cooling apparatus |
Leszek Ziolek, David J. Nenno |
1996-12-10 |
| 5410991 |
Coolant fill housing with integral thermostat |
Edward R. Beaudry, Eric Thorstensen |
1995-05-02 |
| 5381952 |
Fail-safe thermostat |
— |
1995-01-17 |
| 4763834 |
Valve seat structure for automotive thermostatic fluid control valve device |
— |
1988-08-16 |
| 4672920 |
Pressure compensated temperature switch unit for protection of an internal combustion engine |
— |
1987-06-16 |
| 4587931 |
Pressure compensated temperature switch unit for protection of an internal combustion engine |
— |
1986-05-13 |
| 4562953 |
Valve seat structure for automotive thermostatic fluid control valve device |
Bradley J. McKenzie |
1986-01-07 |
| 4537346 |
Fail-safe oil flow control apparatus |
— |
1985-08-27 |
| 4502451 |
Diesel fuel control apparatus and system |
— |
1985-03-05 |
| 4502450 |
Diesel fuel control valve and system |
— |
1985-03-05 |
| 4454848 |
Diesel fuel control apparatus and system |
— |
1984-06-19 |
| 4452213 |
Diesel fuel control valve and system |
— |
1984-06-05 |
| 4280655 |
Automotive thermostatic valve |
Backman Wong |
1981-07-28 |