Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6820417 | Exhaust aftertreatment system and method for an internal combustion engine | David F. May, Charles R. Schenk, Louis A. Krempel, H. Lee Fisher | 2004-11-23 |
| 6668663 | Method and apparatus to determine flow rate with the introduction of ambient air | David F. May, Louis A. Krempel | 2003-12-30 |
| 5611204 | EGR and blow-by flow system for highly turbocharged diesel engines | Rod Radovanovic, A. S. Ghuman, Gregory H. Henderson | 1997-03-18 |
| 5572972 | Mechanical air-fuel control for feedback control of external devices | Todd A. Sheridan, Rod Radovanovic | 1996-11-12 |