Issued Patents All Time
Showing 51–61 of 61 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6146305 | Six speed planetary transmission with two simple planetary gear sets | Sekhar Raghavan, Patrick B. Usoro | 2000-11-14 |
| 6056665 | Five speed planetary transmission | Sekhar Raghavan, Patrick B. Usoro | 2000-05-02 |
| 6007450 | Five speed planetary transmission | Sekhar Raghavan, Patrick B. Usoro | 1999-12-28 |
| 5997429 | Five speed planetary transmission | Sekhar Raghavan, Patrick B. Usoro | 1999-12-07 |
| 5984825 | Power transmission with two simple planetary gearsets | Sekhar Raghavan, Patrick B. Usoro | 1999-11-16 |
| 5951432 | Planetary gear transmission | Jeffrey Bodley Wehking, Sekhar Raghavan, Patrick B. Usoro | 1999-09-14 |
| 5879264 | Multi-speed planetary power transmission | Sekhar Raghavan, Patrick B. Usoro | 1999-03-09 |
| 5836850 | Four speed power transmission | Sekhar Raghavan | 1998-11-17 |
| 5282401 | Adaptive electronic control of power-on upshifting in an automatic transmission | Chi-Kuan Kao, Dean E. McCulloch | 1994-02-01 |
| 5079970 | Acceleration-based control of power-on downshifting in an automatic transmission | Kenneth R. Butts | 1992-01-14 |
| 5046383 | Acceleration-based control of power-on clutch-to-clutch upshifting in an automatic transmission | Kenneth R. Butts, Kon-Well Wang | 1991-09-10 |