Issued Patents 2020
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10774594 | Rotating cutting structures and structures for retaining the same | Youhe Zhang, Chen Chen | 2020-09-15 |
| 10774596 | Rolling cutter stability | Youhe Zhang, Chen Chen, Balasubramanian Durairajan, Sandeep Tammineni | 2020-09-15 |
| 10737367 | Matrix tool bodies with erosion resistant and/or wear resistant matrix materials | Gregory T. Lockwood, Youhe Zhang | 2020-08-11 |