Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12270364 | Direct in cylinder injector for gaseous fuel | — | 2025-04-08 |
| 12104560 | Direct in cylinder injector for gaseous fuel | — | 2024-10-01 |
| 9228539 | Exhaust gas recirculation mixer | Bradley L. Kasemeier, Douglas S. Brocco | 2016-01-05 |
| 8474258 | Stoichiometric compression ignition engine with increased power output | Richard E. Winsor | 2013-07-02 |
| 7628344 | Fuel injector with VOP loss resistant valve spring for emissions-compliant engine applications | Brent Valesano, Gary L. Cowden, Mike Smith | 2009-12-08 |
| 7370627 | Optimized low emission two-stroke internal combustion diesel engine | Kenneth M. Sinko, Rafiqul Islam, Chih L. Liu, Frank M. Graczyk, Brent Valesano +1 more | 2008-05-13 |
| 7311086 | Low emission fuel efficient diesel locomotive engine including a piston having a toroidal surface | Kenneth M. Sinko, Randal K. Albright, Frank M. Graczyk | 2007-12-25 |
| 7025031 | Low emission fuel efficient diesel locomotive engine including a piston having a toroidal surface | Kenneth M. Sinko, Randal K. Albright, Frank M. Graczyk | 2006-04-11 |
| 6866028 | Emission reduction kit for EMD diesel engines | Verne E. Rezabek, Rafiqul Islam, Frank M. Graczyk, Chih L. Liu | 2005-03-15 |
| 6851415 | System for exhaust/crankcase gas recirculation | Randy Hessel | 2005-02-08 |
| 6814060 | Engine emission control system and method | Keith E. Solomons, Rafiqul Islam, Chih L. Liu, Bradley S. Silvers, Le Blanc Martin | 2004-11-09 |
| 5868112 | Deep angle injection nozzle and piston having complementary combustion bowl | David A. Bolis, George E. Crane | 1999-02-09 |