Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6378167 | Method of installing an oil pan heater on an oil pan mounted on an engine block | Roger Porter | 2002-04-30 |
| 6098575 | Coolant filter with coolant additive sensor | Brian W. Mulshine | 2000-08-08 |
| 6052896 | Method of installing an oil pan heater on an oil pan mounted on an engine block | Roger Porter | 2000-04-25 |
| 5647305 | Resettable coolant additive maintenance sensor | Brian W. Mulshine, Alan P. Haag | 1997-07-15 |
| 5454359 | Continuous high pressure rail deaeration system for fuel injection system | — | 1995-10-03 |
| 4517929 | Self-adjusting cooling system for diesel engines | Donald R. Musick | 1985-05-21 |