Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11897165 | Production line of CA abrasive | Changhe Li, Han Zhai, Bingheng Lu, Huajun Cao, Zhen Wang +9 more | 2024-02-13 |
| 11633876 | Slurry scraping mechanism and applying and scraping device used in SG abrasive production process | Changhe Li, Han Zhai, Bingheng Lu, Huajun Cao, Zhen Wang +6 more | 2023-04-25 |
| 11472588 | Width-adjustable packaging bag shaper, bag maker, packaging machine and method | Changhe Li, Liang Luo, Xianzhi Liu, Yanbin Zhang, Dongzhou Jia +3 more | 2022-10-18 |