Issued Patents 2017
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9776917 | Coating on PDC/TSP cutter for accelerated leaching | Ted Tessitore, Anthony Griffo, Youhe Zhang, Madapusi K. Keshavan | 2017-10-03 |
| 9739097 | Polycrystalline diamond compact cutters with conic shaped end | Youhe Zhang, Yuri Burhan, Jibin Shi | 2017-08-22 |
| 9683410 | Cutter assemblies, downhole tools incorporating such cutter assemblies and methods of making such downhole tools | Youhe Zhang, Yuri Burhan, Gregory T. Lockwood | 2017-06-20 |