Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7999418 | Electrical system and control method | Changyong Wang, Zhuohui Tan, Robert William Delmerico, Allen Michael Ritter, Ralph Teichmann +2 more | 2011-08-16 |
| 7940131 | Apparatus, method and computer program product for tracking information in an electric grid | Haiqing Weng, John D. D'Atre, Allen Michael Ritter, Xiaoming Yuan, Renchang Dai +1 more | 2011-05-10 |
| 7928780 | Phase-locked-loop circuit | Xiaoming Yuan, Zhuohui Tan, Robert William Delmerico, Haiqing Weng | 2011-04-19 |