Issued Patents All Time
Showing 25 most recent of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8400745 | Fuse apparatus | Roshan Thakur | 2013-03-19 |
| 8084885 | System for paralleling power supplies | Roshan Thakur | 2011-12-27 |
| 7952231 | Method and system for providing supplemental power | Bill Jacobsen, Roshan Thakur | 2011-05-31 |
| 7952488 | Method and system for monitoring latent faults in power supplies | Roshan Thakur | 2011-05-31 |
| 7802121 | Auxiliary power system | Bill Jacobsen | 2010-09-21 |
| 7791914 | High efficiency power supply front end | Roshan Thakur | 2010-09-07 |
| 7639520 | Efficient power supply | Bill Jacobsen | 2009-12-29 |
| 7464292 | Redundant power system with no latent single failure point | William F. M. Jacobsen, Sandeep Shah | 2008-12-09 |
| 7436200 | Apparatus for testing a power supply | Bill Jacobsen, Thomas Holland | 2008-10-14 |
| 7379282 | Input and output isolating diode for power dissipation reduction of power supplies | — | 2008-05-27 |
| 7312962 | Intelligent overcurrent protection for power supplies | Bill Jacobsen, Bob Schmiedeskamp | 2007-12-25 |
| 7209357 | Universal modular power supply carrier | James Davis | 2007-04-24 |
| 7208955 | Power relay or switch contact tester | William F. M. Jacobsen | 2007-04-24 |
| 7034413 | Holdup time extender and inrush current eliminator for switching power supplies | Bill Jacobsen | 2006-04-25 |
| 6995966 | Fire protection for electronics equipment | Joseph Tupy | 2006-02-07 |
| 6947287 | Universal modular power supply carrier | James Davis | 2005-09-20 |
| 6930869 | OR-diode inductive load spike suppressor | Bill Jacobsen | 2005-08-16 |
| 6693784 | Active power supply transient limiter circuit | Bill Jacobsen | 2004-02-17 |
| 5774021 | Merged transconductance amplifier | Thomas Szepesi, Joseph C. Buxton, Derek F. Bowers | 1998-06-30 |
| 4837495 | Current mode converter with controlled slope compensation | — | 1989-06-06 |
| 4631675 | Automatic light-intensity control | William F. M. Jacobsen | 1986-12-23 |
| 4612479 | Fluorescent light controller | — | 1986-09-16 |
| 4599672 | Failsafe power-up/power-down switch | Norman G. Planer | 1986-07-08 |
| 4590395 | FET-bipolar drive circuit | Donald F. O'Connor | 1986-05-20 |
| 4523128 | Remote control of dimmable electronic gas discharge lamp ballasts | Thomas Stamm | 1985-06-11 |