Issued Patents All Time
Showing 26–36 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7999418 | Electrical system and control method | Changyong Wang, Zhuohui Tan, Robert William Delmerico, Allen Michael Ritter, Richard S. Zhang +2 more | 2011-08-16 |
| 7952232 | Wind turbine energy storage and frequency control | Rajni Kant Burra, Robert William Delmerico, Abhitap Jain, Mark Shu | 2011-05-31 |
| 7745949 | Method and apparatus for assembling electrical machines | Wenqiang Yang, Zhigang Lu, Anthony Michael Klodowski, Changyong Wang, Haiqing Weng +1 more | 2010-06-29 |
| 7596002 | Power conversion system and method | — | 2009-09-29 |
| 7586216 | Redundant electrical brake and protection system for electric generators | Lei Li, Zhigang Lu, Changyong Wang, Wenqiang Yang | 2009-09-08 |
| 7573732 | Protective circuit and method for multi-level converter | Changyong Wang, Robert William Delmerico, Zhuohui Tan, Robert Roesner, Renchang Dai | 2009-08-11 |
| 7488155 | Method and apparatus for wind turbine braking | Corneliu Barbu, Aaron John Avagliano, Leonardo Cesar Kammer, Kirk Gee Pierce, David Samuel Pesetsky +1 more | 2009-02-10 |
| 7394166 | Method, apparatus and computer program product for wind turbine start-up and operation without grid power | Lei Li, Changyong Wang, Wenqiang Yang | 2008-07-01 |
| 7355294 | Method and system for wind turbine blade movement | — | 2008-04-08 |
| 6278626 | ARCP multi-point converter having variable-potential intermediate-circuit capacitances | — | 2001-08-21 |
| 6205040 | Auxiliary resonant commutated pole three-point or multipoint converter | — | 2001-03-20 |