Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8706340 | Underground utility vault inspection system and method | Tiebin Zhao, Andrew John Phillips | 2014-04-22 |
| 7701087 | Integrated closed loop control method and apparatus for combined uninterruptible power supply and generator system | Franz-Joseph Unterlab, Martin Hilscher, Hans-Christian Doht | 2010-04-20 |
| 7518266 | Method and apparatus for improving AC transmission system dispatchability, system stability, and power flow controllability using DC transmission systems | — | 2009-04-14 |