Issued Patents 2025
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12415096 | Adaptive auxiliary air supply respirator and control method thereof | Liang Chen, Dong Liang | 2025-09-16 |
| 12364881 | Method and system for controlling pressure in mask, and respirator | Liang Chen, Dong Liang | 2025-07-22 |