Issued Patents All Time
Showing 26–50 of 83 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10173299 | Polycrystalline diamond constructions having optimized material composition | J. Daniel Belnap, Georgiy Voronin, Feng Yu | 2019-01-08 |
| 10132121 | Polycrystalline diamond constructions having improved thermal stability | Madapusi K. Keshavan, Ronald K. Eyre, Anthony Griffo | 2018-11-20 |
| 10119340 | Cutting elements, methods for manufacturing such cutting elements, and tools incorporating such cutting elements | J. Daniel Belnap, Georgiy Voronin, Feng Yu, Youhe Zhang, Yuelin Shen +1 more | 2018-11-06 |
| 9988853 | Retention of multiple rolling cutters | Yuri Burhan, Yuelin Shen | 2018-06-05 |
| 9982485 | Positive displacement motor with radially constrained rotor catch | William Murray, Lance D. Underwood, Brian P. Jarvis, Nigel Wilcox, Brian Joseph Williams +7 more | 2018-05-29 |
| 9938829 | PDM performance testing device | Timothy Mark Miller, Jing Lu | 2018-04-10 |
| 9695638 | Positive displacement motor with radially constrained rotor catch | William Murray, Lance D. Underwood, Brian P. Jarvis, Nigel Wilcox, Brian Joseph Williams +7 more | 2017-07-04 |
| 9574405 | Hybrid disc bit with optimized PDC cutter placement | Prabhakaran K. Centala, Zhehua Zhang | 2017-02-21 |
| 9482223 | Apparatus and method for controlling or limiting rotor orbit in moving cavity motors and pumps | Brian P. Jarvis, Nigel Wilcox, Brian Joseph Williams, Lance D. Underwood, William Murray +8 more | 2016-11-01 |
| 9470043 | Highly wear resistant diamond insert with improved transition structure | Nephi M. Mourik, Frederico Bellin, Yi Fang | 2016-10-18 |
| 9447642 | Polycrystalline diamond material with high toughness and high wear resistance | Federico Bellin, Yi Fang, Michael Stewart, Nephi Mourik | 2016-09-20 |
| 9334691 | Apparatus and method for controlling or limiting rotor orbit in moving cavity motors and pumps | Brian P. Jarvis, Nigel Wilcox, Brian Joseph Williams, Lance D. Underwood, William Murray | 2016-05-10 |
| 9234391 | Shear cutter with improved wear resistance of WC-CO substrate | J. Daniel Belnap, Georgiy Voronin | 2016-01-12 |
| 8991523 | Rolling cutter assembled directly to the bit pockets | Yuelin Shen, Youhe Zhang, Yuri Burhan, Michael A. Siracki, Mahavir Nagaraj +2 more | 2015-03-31 |
| 8932377 | Deep leach pressure vessel for shear cutters | J. Daniel Belnap, Loel Corbett, Ronald K. Eyre | 2015-01-13 |
| 8857541 | Diamond transition layer construction with improved thickness ratio | Nephi M. Mourik, Michael Stewart, Frederico Bellin, Yi Fang | 2014-10-14 |
| 8783389 | Polycrystalline diamond cutting elements with engineered porosity and method for manufacturing such cutting elements | Guojiang Fan, Feng Yu, Yi Fang, J. Daniel Belnap | 2014-07-22 |
| 8763730 | Diamond bonded construction with improved braze joint | Georgiy Voronin, J. Daniel Belnap | 2014-07-01 |
| 8758463 | Method of forming a thermally stable diamond cutting element | Ronald K. Eyre, Yi Fang | 2014-06-24 |
| 8752656 | Method of designing a bottom hole assembly and a bottom hole assembly | Youhe Zhang, Yuelin Shen, Madapusi K. Keshavan | 2014-06-17 |
| 8695733 | Functionally graded polycrystalline diamond insert | Yi Fang, Federico Bellin, Michael Stewart, Nephi Mourik | 2014-04-15 |
| 8689912 | Polycrystalline diamond constructions having optimized material composition | J. Daniel Belnap, Georgiy Voronin, Feng Yu | 2014-04-08 |
| 8579053 | Polycrystalline diamond material with high toughness and high wear resistance | Federico Bellin, Yi Fang, Michael Stewart, Nephi M. Mourik | 2013-11-12 |
| 8573330 | Highly wear resistant diamond insert with improved transition structure | Nephi M. Mourik, Federico Bellin, Yi Fang | 2013-11-05 |
| 8567531 | Cutting elements, methods for manufacturing such cutting elements, and tools incorporating such cutting elements | J. Daniel Belnap, Georgiy Voronin, Feng Yu, Youhe Zhang, Yuelin Shen +1 more | 2013-10-29 |