Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7165403 | Series/parallel turbochargers and switchable high/low pressure EGR for internal combustion engines | Harold Huimin Sun, William Charles Ruona, Richard Baker | 2007-01-23 |
| 6167698 | Exhaust gas purification system for a lean burn engine | John Vanderslice | 2001-01-02 |
| 5366151 | Hybrid vehicle fuel vapor management apparatus | Larry R. Brandenburg | 1994-11-22 |
| 5345761 | Energy management system for hybrid vehicle | Larry R. Brandenburg, Yitshak Isaac Henig | 1994-09-13 |
| 5291960 | Hybrid electric vehicle regenerative braking energy recovery system | Larry R. Brandenburg | 1994-03-08 |
| 5255733 | Hybird vehicle cooling system | — | 1993-10-26 |
| 4970492 | Method and apparatus for determining excessive engine oil usage | — | 1990-11-13 |
| 4856466 | Lubricant retaining finger-follower rocker arm | Loi-Lou Ting, Granger K. Chui | 1989-08-15 |
| 4556024 | Engine lubrication system | Granger K. Chui | 1985-12-03 |