Issued Patents 2023
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11751636 | Rotary push-pull rope retractor and shoe | Shanpao WANG, Wendong Li, Hongchao Li, Chaoqun Hong, Jinlong Cai +3 more | 2023-09-12 |
| 11548801 | Efficient self-circulation biological denitrification device and working method therefor | Bibo Zhou | 2023-01-10 |