Issued Patents 2024
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12146370 | Cutter with edge durability | Youhe Zhang | 2024-11-19 |
| 12139969 | Cutting elements having non-planar surfaces and tools incorporating the same | Anjie Dong, Gerard Johnson, Michael G. Azar, Huimin Song, Youhe Zhang +1 more | 2024-11-12 |
| 12123262 | PDC cutter with enhanced performance and durability | Youhe Zhang, Yuri Burhan, Ke Chen | 2024-10-22 |
| 12078016 | Downhole cutting tool having cutting element with nonplanar face to improve cutting efficiency and durability | Manoj D. Mahajan, John Daniel Belnap, Yi Fang, Cheng Peng, Lynn Belnap +5 more | 2024-09-03 |
| 12078015 | Polycrystalline diamond cutting element having improved cutting efficiency | Ronald K. Eyre, Yi Fang, Ronald B. Crockett, Lynn Belnap, Aaron Madsen +5 more | 2024-09-03 |
| 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 |
| 11939867 | Downhole directional drilling tool | Andrew Mueller, Dennis Patrick Chesnutt, Ke Chen, Venkatesh Karuppiah | 2024-03-26 |
| 11920408 | Cutter with geometric cutting edges | Youhe Zhang | 2024-03-05 |