Issued Patents 2016
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9512716 | System and method for regulating an electromagnetic telemetry signal sent from downhole to surface | Jili Liu, David A. Switzer, Aaron W. Logan | 2016-12-06 |
| 9505143 | One-step groove forming device and method for oblique crossing of reducing pipe fittings | Junguo Chen | 2016-11-29 |
| 9426119 | External link processing | Jiawei Liu, Chenming Hua | 2016-08-23 |