Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12409284 | Systems and methods for delivering a respiratory gas | Lijun Liu, Jianxin ZHI, Zhi Zhuang | 2025-09-09 |
| 12115309 | Systems and methods for delivering a respiratory gas | Lijun Liu, Jianxin ZHI, Zhi Zhuang | 2024-10-15 |
| 12097322 | Systems and methods for delivering a respiratory gas | Lijun Liu, Jianxin ZHI, Zhi Zhuang | 2024-09-24 |
| 12070550 | Systems and methods for delivering a respiratory gas | Lijun Liu, Jianxin ZHI, Zhi Zhuang | 2024-08-27 |
| 12070549 | Systems and methods for delivering a respiratory gas | Lijun Liu, Jianxin ZHI, Zhi Zhuang | 2024-08-27 |
| 12064549 | Systems and methods for delivering a respiratory gas | Lijun Liu, Jianxin ZHI, Zhi Zhuang | 2024-08-20 |
| 12059526 | Systems and methods for delivering a respiratory gas | Lijun Liu, Jianxin ZHI, Zhi Zhuang | 2024-08-13 |
| 12017001 | Systems and methods for delivering a respiratory gas | Lijun Liu, Jianxin ZHI, Zhi Zhuang | 2024-06-25 |
| 11766530 | Systems and methods for delivering a respiratory gas | Lijun Liu, Jianxin ZHI, Zhi Zhuang, James Coleman | 2023-09-26 |
| 11053424 | Temperature-resistant calcium-resistant water-based drilling fluid for oil and gas reservoir protection and use thereof | Yuping Yang, Jingping Liu, Long Li, Jinhong Wang, Yan Zhang +1 more | 2021-07-06 |