Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10125552 | Convex ridge type non-planar cutting tooth and diamond drill bit | Xiaomin Cheng, Demin Chen, Xiongwen Yang, Yonghong Wang, YU-LIN LIU | 2018-11-13 |
| 10105824 | Chemical leaching/thermal decomposing carbonate in carbonate PCD | Yahua Bao, J. Daniel Belnap | 2018-10-23 |