Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9032723 | Hydraulic hybrid vehicle with safe and efficient hydrostatic operation | — | 2015-05-19 |
| 8387385 | Efficient bypass valve for multi-stage turbocharging system | Charles L. Gray, Jr. | 2013-03-05 |
| 8272356 | Two mode dual crankshaft engine | Charles L. Gray, Jr. | 2012-09-25 |
| 8100221 | Engine-off power steering system | Mark Stuhldreher, Charles L. Gray, Jr. | 2012-01-24 |
| 8061121 | Flex fuel internal combustion engine system | — | 2011-11-22 |
| 7861525 | Dual volute turbocharger | — | 2011-01-04 |
| 7681394 | Control methods for low emission internal combustion system | — | 2010-03-23 |
| 7644585 | Multi-stage turbocharging system with efficient bypass | — | 2010-01-12 |
| 6857263 | Low emission diesel combustion system with low charge-air oxygen concentration levels and high fuel injection pressures | Charles L. Gray, Jr. | 2005-02-22 |
| 6279516 | Cylinder head with two-plane water jacket | Fernando Sandoval | 2001-08-28 |
| 6216668 | Engine performance measuring method | — | 2001-04-17 |
| 6213091 | Engine compression brake system | — | 2001-04-10 |