Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12251782 | Device for pressing materials guided by rollers for carpentry cutting | Jian Ding, Xiaogang Qin, Qinghai Xu | 2025-03-18 |
| 11865660 | Woodwork milling fence device with a precision fine-tuning function | Xiaogang Qin, Qinghai Xu | 2024-01-09 |
| 10159990 | Dust separation apparatus and intelligent control system including the apparatus | Yi Hua, Qinghai Xu, Xinning Li, Xiaogang Qin, Huizi Pan | 2018-12-25 |
| D792568 | Dust separator | Yi Hua, Qinghai Xu, Xinning Li, Xiaogang Qin, Huizi Pan | 2017-07-18 |