Issued Patents All Time
Showing 26–38 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8664819 | Method and apparatus for permanent magnet attachment in an electromechanical machine | Mark S. Piercey, Jonathan A. Lynch, Thomas Kohler, Paul A. Smith | 2014-03-04 |
| 7990015 | Pole tip attachment for a magnetic structure | Mark S. Piercey, William R. Wink | 2011-08-02 |
| 5917295 | Motor drive system having a plurality of series connected H-bridges | — | 1999-06-29 |
| 5831365 | Detachable magnet carrier for permanent magnet motor | Thomas A. Keim, Thomas B. Dade | 1998-11-03 |
| 5691589 | Detachable magnet carrier for permanent magnet motor | Thomas A. Keim, Thomas B. Dade | 1997-11-25 |
| 5428522 | Four quadrant unipolar pulse width modulated inverter | Alan Millner, Zaher Abdallah Daboussi | 1995-06-27 |
| 5229677 | Electric propulsion motor for marine vehicles | Thomas B. Dade, Kenneth W. Leiding, Mark S. Piercey | 1993-07-20 |
| 5223775 | Apparatus and related method to compensate for torque ripple in a permanent magnet electric motor | — | 1993-06-29 |
| 5199912 | Electric power system for marine vehicles | Thomas B. Dade, Kenneth W. Leiding | 1993-04-06 |
| 4848115 | Electronic locking system and key therefor | Bruce A. Clarkson, Ronald J. Frere, Thomas G. Loughlin, William Taylor | 1989-07-18 |
| 4789859 | Electronic locking system and key therefor | Bruce A. Clarkson, Ronald J. Frere, Thomas G. Loughlin, William Taylor | 1988-12-06 |
| 4712398 | Electronic locking system and key therefor | Bruce A. Clarkson, Ronald J. Frere, Thomas G. Loughlin, William Taylor | 1987-12-15 |
| 4691133 | Iron-free rotary disk electrical machine | — | 1987-09-01 |