Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12371608 | Suspended sand dragging fibers and preparation methods thereof | Jianchun Guo, Bin Liu, Yuxuan Liu, Yang Lu, Qianli Lu +9 more | 2025-07-29 |
| 12234309 | High-temperature-resistant deep penetration molecular membrane acid copolymers and preparation methods thereof | Jianchun Guo, Bin Liu, Bo Gou, Shaobin Zhang, Yang Lu +6 more | 2025-02-25 |
| 12227696 | Instant soluble temperature and salt resistant polyacrylamide and the preparation method and application thereof | Jianchun Guo, Cong Lu, Bin Liu, Shaobin Zhang, Huifei Mao +5 more | 2025-02-18 |
| 11845896 | Structural stabilizer for fiber and conventional proppant complex in efficient proppant migration and placement technology of fractured well and preparation method | Jianchun Guo, Hao Yang, Yingxian Ma, Kun Wang, Jiyu Wang +11 more | 2023-12-19 |
| 11408281 | Method for determining sand pumping parameters based on width distribution of fracture | Qianli Lu, Jianchun Guo, Zhuang LIU, Le He, Songgen He +3 more | 2022-08-09 |
| 10450837 | Sleeve fracturing assembly, device using the same and method for using the same | Zhenwei Gan, Qiusheng Huang, Guangquan Li, Jihao Wu | 2019-10-22 |
| 9708889 | Sleeve fracturing assembly, device using the same and method for using the same | Zhenwei Gan, Qiusheng Huang, Guangquan Li, Jihao Wu | 2017-07-18 |
| 9382156 | Lightweight extruded cementitious material and method of making the same | Jongmin Keum, Bhavin Nareshkumar MEHTA, Eoin Battles | 2016-07-05 |
| 8904732 | Cementitious trim articles | Hong Chen, Chongjun Jiang, Jong Min Keum, Caidian Luo, Daniel Suasnabar +1 more | 2014-12-09 |