Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6939823 | Stripper and a stripping process for removing the flue gas carried by regenerated catalyst | Xieqing Wang, Xiaoxiang Zhong, Songnian Li | 2005-09-06 |
| 6856230 | Harmonic filtering circuit with special transformer | — | 2005-02-15 |