Issued Patents 2002
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6484500 | Two turbocharger engine emission control system | Gerald N. Coleman, Dennis D. Feucht, David A. Pierpont | 2002-11-26 |
| 6484499 | Twin variable nozzle turbine exhaust gas recirculation system | Gerald N. Coleman, Dennis D. Feucht, David A. Pierpont | 2002-11-26 |
| 6439210 | Exhaust gas reprocessing/recirculation with variable valve timing | Steven J. Funke | 2002-08-27 |
| 6418721 | Two turbocharger exhaust gas re-circulation system having a first stage variable nozzle turbine | Gerald N. Coleman, Dennis D. Feucht, David A. Pierpont | 2002-07-16 |
| 6412279 | Twin turbine exhaust gas re-circulation system having a second stage variable nozzle turbine | Gerald N. Coleman, Dennis D. Feucht, David A. Pierpont | 2002-07-02 |
| 6408833 | Venturi bypass exhaust gas recirculation system | — | 2002-06-25 |
| 6351946 | Exhaust gas recirculation system in an internal combustion engine | — | 2002-03-05 |