Issued Patents All Time
Showing 26–32 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10370935 | Packer assembly including a support ring | Alexander Kendall, Nicholas S. Conner | 2019-08-06 |
| 10329870 | Sealing element backup ring with integrated tab to close extrusion path along a mandrel | YingQing Xu | 2019-06-25 |
| 10287848 | Structurally supported seal element assembly | Ping Duan, YingQing Xu, Xiao Wang | 2019-05-14 |
| 10202818 | Expandable sealing assembly and downhole system | Christopher R. Hern, Daniel Ewing | 2019-02-12 |
| 9910026 | High temperature tracers for downhole detection of produced water | Zhihui Zhang, Zhiyue Xu, Guobin Ma, Ke Wang | 2018-03-06 |
| 9840887 | Wear-resistant and self-lubricant bore receptacle packoff tool | Lei Zhao, Zhiyue Xu | 2017-12-12 |
| 9714709 | Functionally graded articles and methods of manufacture | Lei Zhao, Zhiyue Xu | 2017-07-25 |