Issued Patents All Time
Showing 25 most recent of 41 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7472696 | Exhaust gas recirculation system with in-cylinder valve actuation | William L. Easley, George E. Donaldson | 2009-01-06 |
| 7100552 | Control system and method for variable valve actuation system | Jason K. Bloms, Scott Leman, David A. Pierpont, James R. Weber | 2006-09-05 |
| 7063055 | Engine valve actuation system and method | Jason K. Bloms, Richard H. Holtman, Scott Leman, David A. Pierpont | 2006-06-20 |
| 6928969 | System and method for controlling engine operation | Jason K. Bloms, Scott Leman, David A. Pierpont, James R. Weber | 2005-08-16 |
| 6883314 | Cooling of engine combustion air | James J. Callas, Gerald N. Coleman, David A. Pierpont, James R. Weber | 2005-04-26 |
| 6807929 | Engine valve actuation system and method | Jason K. Bloms, Richard H. Holtman, Scott Leman, David A. Pierpont | 2004-10-26 |
| 6769392 | Variable valve timing in a homogenous charge compression ignition engine | Keith E. Lawrence, Steven J. Funke, Ronald P. Maloney | 2004-08-03 |
| 6708655 | Variable compression ratio device for internal combustion engine | Ronald P. Maloney | 2004-03-23 |
| 6668788 | Homogenous charge compression ignition engine having a cylinder including a high compression space | Jorge R. Agama, Scott B. Fiveland, Ronald P. Maloney, John M. Clarke | 2003-12-30 |
| 6655141 | Airflow system for engine with series turbochargers | — | 2003-12-02 |
| 6484499 | Twin variable nozzle turbine exhaust gas recirculation system | Gerald N. Coleman, Dennis D. Feucht, David A. Pierpont | 2002-11-26 |
| 6484500 | Two turbocharger engine emission control 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 |
| 6321537 | Exhaust gas recirculation system in an internal combustion engine | Gerald N. Coleman, Dennis D. Feucht, David A. Pierpont | 2001-11-27 |
| 6321717 | Double-lift exhaust pulse boosted engine compression braking method | — | 2001-11-27 |
| 6209530 | Control system for exhaust gas recirculation system | Alois Amstutz | 2001-04-03 |
| 6148793 | Engine compression braking apparatus utilizing a variable geometry turbocharger | Dennis D. Feucht, Scott G. Sinn | 2000-11-21 |
| 6092496 | Cold starting method for diesel engine with variable valve timing | Sameer Bhargava | 2000-07-25 |
| 6055965 | Control system for exhaust gas recirculation system in an internal combustion engine | Alois Amstutz | 2000-05-02 |
| 5813231 | Engine compression braking apparatus utilizing a variable geometry turbocharger | Dennis D. Feucht, Scott G. Sinn | 1998-09-29 |
| 5771867 | Control system for exhaust gas recovery system in an internal combustion engine | Alois Amstutz | 1998-06-30 |