Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11768814 | Data transmissions between two databases | Hong-zhu Ji, Tianlun Chen, Ying Li, Ning Li, Zhan-feng Ma +1 more | 2023-09-26 |
| 11512542 | Intelligent throttled well-killing method and device for overflow in high-temperature and high-pressure deep drilling | Qian Li, Menghan Si | 2022-11-29 |
| 11236562 | Safety drilling system and method for preventing collapse of water-sensitive formation in upper part of high-pressure saltwater layer | Qian Li, Xiaolin Zhang, Wenfeng Yin, Jiajia Gao | 2022-02-01 |
| 11125071 | Downhole failure analysis and processing method based on the particle diameter distribution of cuttings | Wenfeng Yin | 2021-09-21 |
| 11008851 | Ultrasonic wellbore anti-collision monitoring system and monitoring method | Qifu Xiao, Qian Li | 2021-05-18 |
| 10803043 | Managing hash indexing | Zhan-feng Ma, Tianlun Chen, Zhi-ping Xiong | 2020-10-13 |
| 9539226 | Composition containing serine as an active ingredient for the prevention and treatment of fatty liver diseases, and the use thereof | Byung Hoon Lee | 2017-01-10 |