Issued Patents 2020
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10858917 | Expandable liner hanger | Quanli Zhang, Hongwei Yin, Wanjun Li, Huijuan Guo, Guojun Liu +11 more | 2020-12-08 |
| 10641067 | Mechanical and hydraulic dual-effect expansion device for well drilling with expandable tubular technology | Binggui Xu, Hongwei Yin, Huijuan Guo, Zhitong Liu, Mingjie Lv +6 more | 2020-05-05 |
| 10579785 | Automatic authentification for MES system using facial recognition | Jimmie Autrey Beacham, Jilin Tu, Peter Henry Tu, Zhiguang Wang | 2020-03-03 |
| D876969 | HVAC control device | Dennis Thoren, Jacky Chen, Chris Bellshaw, Shawn Beus, J. Kelly Hearnsberger +5 more | 2020-03-03 |