Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11826894 | Tool bar | Changzhi Fu, Xiaolin Fu, Chun Li, Dongjian Jin, Xiongjun Ren | 2023-11-28 |
| 11059157 | Impact hand tool | Changzhi Fu | 2021-07-13 |
| 8807149 | System, method and apparatus for recycling quenching medium | Changzhi Fu | 2014-08-19 |