Issued Patents All Time
Showing 1–25 of 56 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12428914 | Non planar cutting element with non planar interface design and tools incorporating such elements | Feng Yu, Cheng Peng | 2025-09-30 |
| 12078015 | Polycrystalline diamond cutting element having improved cutting efficiency | Yi Fang, Ronald B. Crockett, Lynn Belnap, Aaron Madsen, Haibo Zhang +5 more | 2024-09-03 |
| 11976519 | Ridge shaped element | Feng Yu, Cheng Peng, Douglas G. Marsh | 2024-05-07 |
| 10668539 | Graphite heater with tailored resistance characteristics for HPHT presses and products made therein | Stewart N. Middlemiss | 2020-06-02 |
| 10358705 | Polycrystalline diamond sintered/rebonded on carbide substrate containing low tungsten | Yahua Bao, Fulong WANG, J. Daniel Belnap, Yi Fang | 2019-07-23 |
| 10350731 | Thermally stable diamond polycrystalline diamond constructions | Anthony Griffo, Thomas W. Oldham | 2019-07-16 |
| 10132121 | Polycrystalline diamond constructions having improved thermal stability | Madapusi K. Keshavan, Anthony Griffo, Peter Thomas Cariveau | 2018-11-20 |
| 10046441 | PCD wafer without substrate for high pressure / high temperature sintering | Yahua Bao | 2018-08-14 |
| 9931732 | Thermally stable diamond polycrystalline diamond constructions | — | 2018-04-03 |
| 9482056 | Solid PCD cutter | John Daniel Belnap, Youhe Zhang, Yuelin Shen, Jibin Shi, Yuri Burhan | 2016-11-01 |
| 8932377 | Deep leach pressure vessel for shear cutters | J. Daniel Belnap, Peter Thomas Cariveau, Loel Corbett | 2015-01-13 |
| 8758463 | Method of forming a thermally stable diamond cutting element | Peter Thomas Cariveau, Yi Fang | 2014-06-24 |
| 8741006 | Ultra-hard constructions with enhanced second phase | Monte Russell, Scott M. Packer, Russell J. Steel | 2014-06-03 |
| 8627905 | Non-planar interface construction | Georgiy Voronin | 2014-01-14 |
| 8562703 | Thermally stable diamond polycrystalline diamond constructions | Anthony Griffo, Thomas W. Oldham | 2013-10-22 |
| 8147572 | Thermally stable diamond polycrystalline diamond constructions | Anthony Griffo, Thomas W. Oldham | 2012-04-03 |
| 8130903 | Nondestructive device and method for evaluating ultra-hard polycrystalline constructions | Loel Corbett | 2012-03-06 |
| 8020643 | Ultra-hard constructions with enhanced second phase | Monte Russell, Scott M. Packer, Russell J. Steel | 2011-09-20 |
| 7951455 | Methods for manufacturing ultrahard compacts | Christopher H. Weis, Stewart N. Middlemiss, David Iverson | 2011-05-31 |
| 7942219 | Polycrystalline diamond constructions having improved thermal stability | Madapusi K. Keshavan, Anthony Griffo, Peter Thomas Cariveau | 2011-05-17 |
| 7864919 | Nondestructive method of measuring a region within an ultra-hard polycrystalline construction | Terry Lee Woodruff, Loel Corbett | 2011-01-04 |
| 7801268 | Nondestructive method of measuring a region within an ultra-hard polycrystalline construction | Nephi Mourik | 2010-09-21 |
| 7757788 | Ultrahard composite constructions | John Daniel Belnap, Anthony Griffo, Stewart N. Middlemiss | 2010-07-20 |
| 7754333 | Thermally stable diamond polycrystalline diamond constructions | Anthony Griffo, Thomas W. Oldham | 2010-07-13 |
| 7740673 | Thermally stable diamond polycrystalline diamond constructions | — | 2010-06-22 |