Issued Patents All Time
Showing 1–25 of 111 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12344921 | Tungsten tetraboride composite matrix and uses thereof | Richard B. Kaner, Christopher L. Turner, Jack Kavanaugh | 2025-07-01 |
| 12031384 | Cutting elements having non-planar surfaces and downhole cutting tools using such cutting elements | Chen Chen, Huimin Song, Liang Zhao, Youhe Zhang, Michael G. Azar +4 more | 2024-07-09 |
| 11920223 | Tungsten tetraboride composite matrix and uses thereof | Richard B. Kaner, Christopher L. Turner, Jack Kavanaugh | 2024-03-05 |
| 11313176 | Metal matrix composite material for additive manufacturing of downhole tools | Anthony Griffo, Youhe Zhang | 2022-04-26 |
| 11215012 | Cutting elements having non-planar surfaces and downhole cutting tools using such cutting elements | Chen Chen, Huimin Song, Liang Zhao, Youhe Zhang, Michael G. Azar +4 more | 2022-01-04 |
| 11174538 | Tungsten tetraboride composite matrix and uses thereof | Richard B. Kaner, Christopher L. Turner, Jack Kavanaugh | 2021-11-16 |
| 11156036 | Polycrystalline diamond cutting elements with transition zones and downhole cutting tools incorporating the same | Ronald B. Crockett, Neil Cannon, Dwain Norris, David R. Hall | 2021-10-26 |
| RE48455 | Rolling cutter | Yuelin Shen, Youhe Zhang, Zhou Yong, Jiaqing Yu | 2021-03-02 |
| 10851594 | Kerfing hybrid drill bit and other downhole cutting tools | Michael G. Azar, Balasubramanian Durairajan | 2020-12-01 |
| 10655401 | Energy-emitting bits and cutting elements | Michael G. Azar, Iain Cooper | 2020-05-19 |
| 10309156 | Cutting structures for fixed cutter drill bit and other downhole cutting tools | Michael G. Azar, Bala Durairajan | 2019-06-04 |
| 10287825 | Cutting elements having non-planar surfaces and downhole cutting tools using such cutting elements | Chen Chen, Huimin Song, Liang Zhao, Youhe Zhang, Michael G. Azar +4 more | 2019-05-14 |
| RE47369 | Rolling cutter | Yuelin Shen, Youhe Zhang, Zhou Yong, Jiaqing Yu | 2019-04-30 |
| 10267095 | Cemented carbide composite for a downhole tool | — | 2019-04-23 |
| 10174561 | Polycrystalline diamond cutting elements with transition zones and downhole cutting tools incorporating the same | David R. Hall, Ronald B. Crockett, Neil Cannon, Dwain Norris | 2019-01-08 |
| 10156097 | Downhole tool for increasing a wellbore diameter | Praful C. Desai, Iain Cooper | 2018-12-18 |
| 10132121 | Polycrystalline diamond constructions having improved thermal stability | Ronald K. Eyre, Anthony Griffo, Peter Thomas Cariveau | 2018-11-20 |
| 10124468 | Polycrystalline diamond constructions having improved thermal stability | Anthony Griffo, Yuelin Shen, Youhe Zhang | 2018-11-13 |
| 10030452 | Cutting structures for fixed cutter drill bit and other downhole cutting tools | Michael G. Azar, Bala Durairajan | 2018-07-24 |
| 9776917 | Coating on PDC/TSP cutter for accelerated leaching | Ted Tessitore, Anthony Griffo, Yuelin Shen, Youhe Zhang | 2017-10-03 |
| 9404312 | Cutting structures for fixed cutter drill bit and other downhole cutting tools | Michael G. Azar, Bala Durairajan | 2016-08-02 |
| 9393674 | Cemented carbide composite for a downhole tool | — | 2016-07-19 |
| 9387571 | Manufacture of thermally stable cutting elements | Anthony Griffo | 2016-07-12 |
| 9366090 | Kerfing hybrid drill bit and other downhole cutting tools | Michael G. Azar, Bala Durairajan | 2016-06-14 |
| 9115553 | Cutting elements with re-processed thermally stable polycrystalline diamond cutting layers, bits incorporating the same, and methods of making the same | Youhe Zhang, Yuelin Shen | 2015-08-25 |