Issued Patents 2019
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10350733 | Ultra-hard material cutting elements and methods of manufacturing the same with a metal-rich intermediate layer | Liang Zhao, Yahua Bao, Yuri Burhan, Youhe Zhang, J. Daniel Belnap +1 more | 2019-07-16 |
| 10337257 | Customized drilling tools | Youhe Zhang, Huimin Song | 2019-07-02 |
| 10287825 | 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 | 2019-05-14 |