Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12352108 | Devices, systems, and methods for a bit including a matrix portion and a steel portion | Youhe Zhang, Huimin Song, Ting Ren | 2025-07-08 |
| 12006773 | Drilling tool having pre-fabricated components | Youhe Zhang, Sudarsanam Chellappa, Huimin Song, Ting Ren | 2024-06-11 |
| 11358218 | Methods of making flux-coated binder and metal-matrix drill bodies of the same | — | 2022-06-14 |
| 10760345 | Cutting elements with wear resistant surfaces | Cary A. Roth | 2020-09-01 |
| 10220442 | Flux-coated binder for making metal-matrix composites, a drill body and drill bit including the same, and methods of manufacture | — | 2019-03-05 |