Issued Patents All Time
Showing 26–33 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6369461 | High efficiency power conditioner employing low voltage DC bus and buck and boost converters | Vinod N. Bapat | 2002-04-09 |
| 6304006 | Energy management uninterruptible power supply system | — | 2001-10-16 |
| 6184593 | Uninterruptible power supply | — | 2001-02-06 |
| 6169390 | Flywheel-microturbine system | — | 2001-01-02 |
| 6134124 | Universal distributed-resource interface | Edward M. Petrie, Harold M. Stillman, David Slump, John Michael Finney, Joseph Oravsky | 2000-10-17 |
| 5448141 | Adjustable speed drive for residential applications | Arthur W. Kelley, Mohab A. Hallouda | 1995-09-05 |
| 4894587 | High frequency gas discharge lamp dimming ballast | Dennis Capewell, David G. Luchaco | 1990-01-16 |
| 4728866 | Power control system | Dennis Capewell, Donald F. Hausman, Jr., Joel S. Spira | 1988-03-01 |