Issued Patents All Time
Showing 1–25 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12275005 | Luminescent diamond and method of making the same | J. Daniel Belnap | 2025-04-15 |
| 11952896 | Rotary tool with thermally stable diamond | J. Daniel Belnap, Francis Leany, Ronald B. Crockett, Dwain Norris, Anatoliy Garan | 2024-04-09 |
| 11840891 | Cutting elements with modified diamond surface | John Daniel Belnap | 2023-12-12 |
| 11731092 | Method of making carbonate PCD and sintering carbonate PCD on carbide substrate | J. Daniel Belnap, Anatoliy Garan, Michael David France | 2023-08-22 |
| 11492852 | Mechanical locking of cutting element with carbide matrix | John Daniel Belnap, Gregory Caron, Feng Yu, Cheng Peng, Michael David France +2 more | 2022-11-08 |
| 11306542 | Thermally stable polycrystalline diamond and methods of making the same | Liang Zhao, J. Daniel Belnap, Zhijun Lin | 2022-04-19 |
| 11066334 | Binderless cBN sintering with cubic press | — | 2021-07-20 |
| 11021913 | Direct casting of ultrahard insert in bit body | John Daniel Belnap | 2021-06-01 |
| 11014157 | Solid PCD with transition layers to accelerate full leaching of catalyst | — | 2021-05-25 |
| 10781643 | Cutting elements formed from combinations of materials and bits incorporating the same | Yi Fang, Haibo Zhang, John Daniel Belnap, Youhe Zhang | 2020-09-22 |
| 10442057 | Carbonate PCD and methods of making the same | — | 2019-10-15 |
| 10358705 | Polycrystalline diamond sintered/rebonded on carbide substrate containing low tungsten | Fulong WANG, J. Daniel Belnap, Ronald K. Eyre, Yi Fang | 2019-07-23 |
| 10350733 | Ultra-hard material cutting elements and methods of manufacturing the same with a metal-rich intermediate layer | Liang Zhao, Xiaoge Gan, Yuri Burhan, Youhe Zhang, J. Daniel Belnap +1 more | 2019-07-16 |
| 10352105 | Sintering of thick solid carbonate-based PCD for drilling application | Anatoliy Garan, Michael David France, John Daniel Belnap | 2019-07-16 |
| 10315387 | High content PCBN compact including W—Re binder | Scott L. Horman | 2019-06-11 |
| 10315175 | Method of making carbonate PCD and sintering carbonate PCD on carbide substrate | J. Daniel Belnap, Anatoliy Garan, Michael David France | 2019-06-11 |
| 10239273 | Thermal insulation layer and pressure transfer medium for high-pressure high-temperature cell | J. Daniel Belnap, Stewart N. Middlemiss | 2019-03-26 |
| 10166655 | Carbonate PCD with a distribution of Si and/or Al | — | 2019-01-01 |
| 10105824 | Chemical leaching/thermal decomposing carbonate in carbonate PCD | J. Daniel Belnap, Liang Zhao | 2018-10-23 |
| 10046441 | PCD wafer without substrate for high pressure / high temperature sintering | Ronald K. Eyre | 2018-08-14 |
| 10000852 | Method of forming metal deposits on ultrahard materials | Qingyuan Liu, Feng Yu, Charles Jeffrey Claunch | 2018-06-19 |
| 9670100 | Fabrication of ultrafine polycrystalline diamond with nano-sized grain growth inhibitor | Xian Yao, Scott L. Horman | 2017-06-06 |
| 9586376 | High pressure high temperature cell | Stewart N. Middlemiss, Lan Carter | 2017-03-07 |
| 9539703 | Carbonate PCD with a distribution of Si and/or Al | — | 2017-01-10 |
| 9539704 | Carbonate PCD and methods of making the same | — | 2017-01-10 |