Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8224514 | Creation and depletion of short term power capability in a hybrid electric vehicle | William R. Cawthorne | 2012-07-17 |
| 8204702 | Method for estimating battery life in a hybrid powertrain | — | 2012-06-19 |
| 6899093 | Control system for NOx control for cam phaser and/or EGR systems | — | 2005-05-31 |
| 5402007 | Method and apparatus for maintaining vehicle battery state-of-change | John A. Zahorchak, Alton G. De Claire, Jr. | 1995-03-28 |
| 5263358 | Closed-loop air-fuel ratio controller | Norman Maasshoff, Aparicio J. Gomez | 1993-11-23 |
| 4901000 | Variable rate stepper motor driver circuit and method | Norman Maasshoff | 1990-02-13 |
| 4539956 | Diesel fuel injection pump with adaptive torque balance control | James F. Hengel, Donald John Armstrong, Frank Ament, John E. Ausen | 1985-09-10 |