Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8985089 | Low temperature dual fuel combustion utilizing diesel and methanol fuels | Charles L. Gray, Jr., Michael Prince | 2015-03-24 |
| 8065990 | Low emission dimethyl ether (DME) engine | Charles L. Gray, Jr., Fakhri J. Hamady | 2011-11-29 |
| 7677871 | High-efficiency, large angle, variable displacement hydraulic pump/motor | Charles L. Gray, Jr., Andrew Moskalik, David Keith Gill, Kevin B. Fuqua, Craig Douglas Moffat | 2010-03-16 |
| 7500424 | Hydraulic machine having pressure equalization | Charles L. Gray, Jr. | 2009-03-10 |
| 7014429 | High-efficiency, large angle, variable displacement hydraulic pump/motor | Charles L. Gray, Jr., Andrew Moskalik, David Keith Gill, Keven Berent Fuqua, Craig Douglas Moffat | 2006-03-21 |
| 5938207 | Heat engine rod seal system | Nicholas R. Marchionna | 1999-08-17 |
| 5921764 | Heat engine combustor | Nicholas R. Marchionna | 1999-07-13 |