Issued Patents 2019
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10309156 | Cutting structures for fixed cutter drill bit and other downhole cutting tools | Michael G. Azar, Bala Durairajan | 2019-06-04 |
| 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 |
| RE47369 | Rolling cutter | Yuelin Shen, Youhe Zhang, Zhou Yong, Jiaqing Yu | 2019-04-30 |
| 10267095 | Cemented carbide composite for a downhole tool | — | 2019-04-23 |
| 10174561 | Polycrystalline diamond cutting elements with transition zones and downhole cutting tools incorporating the same | David R. Hall, Ronald B. Crockett, Neil Cannon, Dwain Norris | 2019-01-08 |