Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10591635 | Apparatus and methods for communicating with a downhole tool | Lianhe Guo, Tsili Wang | 2020-03-17 |
| 9359889 | System and methods for selective shorting of an electrical insulator section | Tsili Wang | 2016-06-07 |
| 6090067 | Surface access hemostatic valve | — | 2000-07-18 |
| 6004301 | Surface access double hemostatic valve for hemodialysis | — | 1999-12-21 |