Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12320247 | Apparatus and method for evaluating lightweight cement bonds in downhole | Jinsong Zhao | 2025-06-03 |
| 10662756 | Apparatus and method for hybrid sonic transmitter integrated with centralizer for cement bond log cased-hole application | Qinshan Yang | 2020-05-26 |