MC

Min Chang

BC Bmc Medical Co.: 9 patents #4 of 28Top 15%
CC China University Of Petroleum (East China): 1 patents #254 of 736Top 35%
CL Cnpc Engineering Technology R&D Company Limited: 1 patents #74 of 150Top 50%
Overall (All Time): #485,895 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
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