Issued Patents All Time
Showing 1–25 of 48 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6742503 | Dual pressure fluid system and method of use | — | 2004-06-01 |
| 6659092 | Bypass assembly with annular bypass venturi for an exhaust gas recirculation system | Gerald N. Coleman, Michael P. Harmon, David A. Pierpont, Matthew D. Rampenthal | 2003-12-09 |
| 6640542 | Bypass venturi assembly with single shaft actuator for an exhaust gas recirculation system | Gerald N. Coleman, Michael P. Harmon, David A. Pierpont, Matthew D. Rampenthal | 2003-11-04 |
| 6609374 | Bypass venturi assembly for an exhaust gas recirculation system | Paul F. Olsen | 2003-08-26 |
| 6609373 | Exhaust gas recirculation system with variable geometry turbine and bypass venturi assembly | Gerald N. Coleman, David A. Pierpont, Matthew D. Rampenthal, Michael P. Harmon | 2003-08-26 |
| 6484499 | Twin variable nozzle turbine exhaust gas recirculation system | Gerald N. Coleman, James J. Faletti, David A. Pierpont | 2002-11-26 |
| 6484500 | Two turbocharger engine emission control system | Gerald N. Coleman, James J. Faletti, David A. Pierpont | 2002-11-26 |
| 6439212 | Bypass venturi assembly and elbow with turning vane for an exhaust gas recirculation system | Gerald N. Coleman, Michael P. Harmon, David A. Pierpont, Matthew D. Rampenthal | 2002-08-27 |
| 6422217 | Back pressure valve drive EGR system | Eric C. Fluga, Keith E. Lawrence, Carol A. Rathman | 2002-07-23 |
| 6418721 | Two turbocharger exhaust gas re-circulation system having a first stage variable nozzle turbine | Gerald N. Coleman, James J. Faletti, David A. Pierpont | 2002-07-16 |
| 6412279 | Twin turbine exhaust gas re-circulation system having a second stage variable nozzle turbine | Gerald N. Coleman, James J. Faletti, David A. Pierpont | 2002-07-02 |
| 6405707 | Integral engine and engine compression braking HEUI injector | — | 2002-06-18 |
| 6378509 | Exhaust gas recirculation system having multifunction valve | David A. Pierpont | 2002-04-30 |
| 6349686 | Hydraulically-driven valve and hydraulic system using same | David E. Hackett | 2002-02-26 |
| 6321537 | Exhaust gas recirculation system in an internal combustion engine | Gerald N. Coleman, James J. Faletti, David A. Pierpont | 2001-11-27 |
| 6267106 | Induction venturi for an exhaust gas recirculation system in an internal combustion engine | — | 2001-07-31 |
| 6237336 | Exhaust gas recirculation system in an internal combustion engine and method of using same | Keith E. Lawrence | 2001-05-29 |
| 6230695 | Exhaust gas recirculation system | Gerald N. Coleman, Keith E. Lawrence | 2001-05-15 |
| 6216458 | Exhaust gas recirculation system | Matthew J. Alger, Brett M. Bailey, Gerald N. Coleman, Todd A. Davis, Keith E. Lawrence +1 more | 2001-04-17 |
| 6192686 | Exhaust gas recirculation system | Gerald N. Coleman, Keith E. Lawrence | 2001-02-27 |
| 6185939 | Exhaust gas recirculation system | Gerald N. Coleman, Michael Evancik, Keith E. Lawrence, Jiubo Ma | 2001-02-13 |
| 6164269 | Exhaust gas recirculation valve assembly having an integrated check valve | Mylvaganam Arulraja | 2000-12-26 |
| 6148793 | Engine compression braking apparatus utilizing a variable geometry turbocharger | James J. Faletti, Scott G. Sinn | 2000-11-21 |
| 6135073 | Hydraulic check valve recuperation | Steven J. Funke | 2000-10-24 |
| 6116223 | Cam driven exhaust gas recirculation valve assembly | — | 2000-09-12 |