Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12409284 | Systems and methods for delivering a respiratory gas | Lijun Liu, Zhi Zhuang, Min Chang | 2025-09-09 |
| D1073057 | Respirator | Zhi Zhuang | 2025-04-29 |
| 12115309 | Systems and methods for delivering a respiratory gas | Lijun Liu, Zhi Zhuang, Min Chang | 2024-10-15 |
| 12097322 | Systems and methods for delivering a respiratory gas | Lijun Liu, Zhi Zhuang, Min Chang | 2024-09-24 |
| 12070549 | Systems and methods for delivering a respiratory gas | Lijun Liu, Zhi Zhuang, Min Chang | 2024-08-27 |
| 12070550 | Systems and methods for delivering a respiratory gas | Lijun Liu, Zhi Zhuang, Min Chang | 2024-08-27 |
| 12064549 | Systems and methods for delivering a respiratory gas | Lijun Liu, Zhi Zhuang, Min Chang | 2024-08-20 |
| 12059526 | Systems and methods for delivering a respiratory gas | Lijun Liu, Zhi Zhuang, Min Chang | 2024-08-13 |
| 12017001 | Systems and methods for delivering a respiratory gas | Lijun Liu, Zhi Zhuang, Min Chang | 2024-06-25 |
| 11992621 | Respirator system | Zhi Zhuang | 2024-05-28 |
| 11766530 | Systems and methods for delivering a respiratory gas | Lijun Liu, Zhi Zhuang, James Coleman, Min Chang | 2023-09-26 |
| 10758702 | Humidification device, humidifier and ventilator | Lijun Liu, Zhi Zhuang | 2020-09-01 |