Issued Patents 2022
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11492936 | Crankcase ventilation system with constant restriction in the flow direction and free flow in an opposite direction | David E. Fletcher, Chester E. Duffield, III, David Snow, Mitchell Emond, Joseph Dennis | 2022-11-08 |
| 11486504 | Check valve insert defining an open position and check valves having same | David E. Fletcher, David Snow, Chester E. Duffield, III | 2022-11-01 |
| 11415086 | Three port, five-way magnetically latching valve for fuel vapor management systems and systems incorporating same | Kevin Lucka, Donald P. Tinsley, III, Chester E. Duffield, III, Aaron Diamond | 2022-08-16 |
| 11408361 | Charge air cooler drain system | James H. Miller, Russell Aach, Chester E. Duffield, III, Scott Martin | 2022-08-09 |
| 11378211 | Quick connector with a replaceable restriction orifice | Donald P. Tinsley, III, Kevin Lucka, David E. Fletcher | 2022-07-05 |