| 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 |
