Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11952896 | Rotary tool with thermally stable diamond | Yahua Bao, J. Daniel Belnap, Francis Leany, Ronald B. Crockett, Dwain Norris | 2024-04-09 |
| 11731092 | Method of making carbonate PCD and sintering carbonate PCD on carbide substrate | Yahua Bao, J. Daniel Belnap, Michael David France | 2023-08-22 |
| 11492852 | Mechanical locking of cutting element with carbide matrix | Yahua Bao, John Daniel Belnap, Gregory Caron, Feng Yu, Cheng Peng +2 more | 2022-11-08 |
| 10352105 | Sintering of thick solid carbonate-based PCD for drilling application | Yahua Bao, Michael David France, John Daniel Belnap | 2019-07-16 |
| 10315175 | Method of making carbonate PCD and sintering carbonate PCD on carbide substrate | Yahua Bao, J. Daniel Belnap, Michael David France | 2019-06-11 |
| 9475176 | Sintering of thick solid carbonate-based PCD for drilling application | Yahua Bao, Michael David France, J. Daniel Belnap | 2016-10-25 |