Issued Patents All Time
Showing 51–55 of 55 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6585490 | Vacuum regeneration method for a flywheel system | David Campbell | 2003-07-01 |
| 6583528 | High performance composite flywheel | — | 2003-06-24 |
| 6570286 | Full magnetic bearings with increased load capacity | — | 2003-05-27 |
| 6508145 | Press-fit multi-ring composite flywheel rim | — | 2003-01-21 |
| 6486627 | Flywheel uninterruptible power source | — | 2002-11-26 |