Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9328693 | Piston, engine and operating method for reduced production of particulate matter | David A. Pierpont, John P. Timmons, Michael B. Goetzke, Reddy Pocha Siva Sankara | 2016-05-03 |
| 7370627 | Optimized low emission two-stroke internal combustion diesel engine | Budhadeb Mahakul, 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 | Budhadeb Mahakul, Randal K. Albright, Frank M. Graczyk | 2007-12-25 |
| 7025031 | Low emission fuel efficient diesel locomotive engine including a piston having a toroidal surface | Budhadeb Mahakul, Randal K. Albright, Frank M. Graczyk | 2006-04-11 |