Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12031384 | 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 | 2024-07-09 |
| 11814904 | Cutting structure of cutting elements for downhole cutting tools | Huimin Song, Xiaoge Gan, Ke Chen | 2023-11-14 |
| 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 |
| 10350733 | Ultra-hard material cutting elements and methods of manufacturing the same with a metal-rich intermediate layer | Liang Zhao, Xiaoge Gan, Yahua Bao, Yuri Burhan, Youhe Zhang +1 more | 2019-07-16 |
| 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 |
| D765418 | Two-in-one brush | Haiyan Lin | 2016-09-06 |
| 9422770 | Method for braze joining of carbonate PCD | J. Daniel Belnap, Yahua Bao, Youhe Zhang, Liang Zhao | 2016-08-23 |