Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6478019 | Flat low profile diesel engine crankcase ventilation filter | Jeffrey A. Fedorowicz, Christopher E. Holm, G. Michael Gron, Jr., Mark V. Holzmann, Raymond C. Shute +1 more | 2002-11-12 |
| 6247463 | Diesel engine crankcase ventilation filter | Jeffrey A. Fedorowicz, Michael B. Lanius, Raymond C. Shute, Mark V. Holzmann | 2001-06-19 |
| 5960772 | Apparatus and method for knock detection in internal combustion engines | Gary W. Ream, Kenneth R. Stevens | 1999-10-05 |
| 5944002 | Self-venting grommet for coil-on-plug | Jonathan L. Umsted, Norman L. Jones, Bryan E. Hansome, Michael W. Alstrin | 1999-08-31 |
| 5337714 | Engine piston with a dual combustion bowl lip radius | — | 1994-08-16 |
| 5293854 | Injection pump throttle dashpot for transient smoke control | Richard G. Norton | 1994-03-15 |