Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12078016 | Downhole cutting tool having cutting element with nonplanar face to improve cutting efficiency and durability | Manoj D. Mahajan, Xiaoge Gan, Yi Fang, Cheng Peng, Lynn Belnap +5 more | 2024-09-03 |
| 11840891 | Cutting elements with modified diamond surface | Yahua Bao | 2023-12-12 |
| 11828108 | Angled chisel insert | Ronald B. Crockett, Dwain Norris, Aaron Madsen, Neil Cannon | 2023-11-28 |
| 11578538 | Cutting element with nonplanar face to improve cutting efficiency and durability | Manoj D. Mahajan, Xiaoge Gan, Yi Fang, Cheng Peng, Lynn Belnap +5 more | 2023-02-14 |
| 11492852 | Mechanical locking of cutting element with carbide matrix | Yahua Bao, Gregory Caron, Feng Yu, Cheng Peng, Michael David France +2 more | 2022-11-08 |
| 11021913 | Direct casting of ultrahard insert in bit body | Yahua Bao | 2021-06-01 |
| 11008815 | Cutting elements with impact resistant diamond body | Yi Fang, Michael David France, David P. DenBoer, Haibo Zhang | 2021-05-18 |
| 10781643 | Cutting elements formed from combinations of materials and bits incorporating the same | Yahua Bao, Yi Fang, Haibo Zhang, Youhe Zhang | 2020-09-22 |
| 10456889 | Shear cutter with improved wear resistance of WC—Co substrate | Georgiy Voronin, Peter Thomas Cariveau | 2019-10-29 |
| 10352105 | Sintering of thick solid carbonate-based PCD for drilling application | Yahua Bao, Anatoliy Garan, Michael David France | 2019-07-16 |
| 9482056 | Solid PCD cutter | Ronald K. Eyre, Youhe Zhang, Yuelin Shen, Jibin Shi, Yuri Burhan | 2016-11-01 |
| 8881851 | Thermally-stable polycrystalline diamond materials and compacts | Stewart N. Middlemiss, Anthony Griffo, Thomas W. Oldham, Kumar T. Kembaiyan | 2014-11-11 |
| 7757791 | Cutting elements formed from ultra hard materials having an enhanced construction | Stewart N. Middlemiss | 2010-07-20 |
| 7757788 | Ultrahard composite constructions | Anthony Griffo, Ronald K. Eyre, Stewart N. Middlemiss | 2010-07-20 |
| 7473287 | Thermally-stable polycrystalline diamond materials and compacts | Stewart N. Middlemiss, Anthony Griffo, Thomas W. Oldham, Kumar T. Kembaiyan | 2009-01-06 |
| 7350601 | Cutting elements formed from ultra hard materials having an enhanced construction | Stewart N. Middlemiss | 2008-04-01 |