Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7732944 | Central current share coordinator, method of current sharing and battery plant employing the same | John Brooke, Roy J. Davis | 2010-06-08 |
| 6411911 | Battery diagnostic method utilizing a universal normalized discharge curve for predicting battery reserve time | Gregory W. Mathiesen, Patrick Kwok-Yeung Ng | 2002-06-25 |
| 6137292 | Self-adjusting battery diagnostic method for continuously providing best prediction of battery reserve time | Mark A. Johnson, Robert J. Kakalec, Patrick Kwok-Yeung Ng | 2000-10-24 |
| 5969503 | Unified contactor control system for battery plant and method of operation thereof | Roy J. Davis, Mark A. Johnson | 1999-10-19 |
| 5936383 | Self-correcting and adjustable method and apparatus for predicting the remaining capacity and reserve time of a battery on discharge | Patrick Kwok-Yeung Ng | 1999-08-10 |