Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11306542 | Thermally stable polycrystalline diamond and methods of making the same | Yahua Bao, Liang Zhao, J. Daniel Belnap | 2022-04-19 |
| 11215012 | Cutting elements having non-planar surfaces and downhole cutting tools using such cutting elements | Chen Chen, Huimin Song, Liang Zhao, Youhe Zhang, Michael G. Azar +4 more | 2022-01-04 |