Issued Patents All Time
Showing 1–25 of 61 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12139969 | Cutting elements having non-planar surfaces and tools incorporating the same | Xiaoge Gan, Anjie Dong, Gerard Johnson, Huimin Song, Youhe Zhang +1 more | 2024-11-12 |
| 12078016 | Downhole cutting tool having cutting element with nonplanar face to improve cutting efficiency and durability | Manoj D. Mahajan, John Daniel Belnap, Xiaoge Gan, Yi Fang, Cheng Peng +5 more | 2024-09-03 |
| 12031384 | Cutting elements having non-planar surfaces and downhole cutting tools using such cutting elements | Chen Chen, Huimin Song, Liang Zhao, Youhe Zhang, Xiaoge Gan +4 more | 2024-07-09 |
| 11879334 | Rotary steerable system with cutters | Edward Richards, Riadh Boualleg, Geoffrey C. Downton, Denis Li, Richard Hill | 2024-01-23 |
| 11795763 | Downhole tools having radially extendable elements | Jonathan Marshall, Steven G. Villareal, Scott Richard Woolston | 2023-10-24 |
| 11795764 | Cutting elements having non-planar surfaces and tools incorporating the same | Xiaoge Gan, Anjie Dong, Gerard Johnson, Huimin Song, Youhe Zhang +1 more | 2023-10-24 |
| D990307 | Liquid aging collapsible stave chain | Jonathan Turko | 2023-06-27 |
| 11643624 | Oak alternative with internally built in connectors and modified bung to oak wine, beer, spirits, and other liquids | — | 2023-05-09 |
| 11578538 | Cutting element with nonplanar face to improve cutting efficiency and durability | Manoj D. Mahajan, John Daniel Belnap, Xiaoge Gan, Yi Fang, Cheng Peng +5 more | 2023-02-14 |
| 11286718 | Rotary steerable system with cutters | Edward Richards, Riadh Boualleg, Geoffrey C. Downton, Denis Li, Richard Hill | 2022-03-29 |
| 11215012 | Cutting elements having non-planar surfaces and downhole cutting tools using such cutting elements | Chen Chen, Huimin Song, Liang Zhao, Youhe Zhang, Xiaoge Gan +4 more | 2022-01-04 |
| 11208847 | Stepped downhole tools and methods of use | Geoffrey C. Downton, Edward George Parkin | 2021-12-28 |
| 11104490 | Oak alternative with internally built in connectors and modified bung to oak wine, beer, spirits, and other liquids | — | 2021-08-31 |
| 11098532 | Cutting elements having non-planar surfaces and tools incorporating the same | Xiaoge Gan, Anjie Dong, Gerard Johnson, Huimin Song, Youhe Zhang +1 more | 2021-08-24 |
| 10851594 | Kerfing hybrid drill bit and other downhole cutting tools | Balasubramanian Durairajan, Madapusi K. Keshavan | 2020-12-01 |
| 10794118 | Fixed cutter bits and other downhole tools having non-planar cutting elements thereon | Somasundaram Valliyappan, Jason Ray Gregg, Jordan Mark Self, Keisha Marie Spagnoletti, Alexei Jozef Barr +1 more | 2020-10-06 |
| 10753156 | Cutting element backing support | — | 2020-08-25 |
| 10738538 | Blade geometry for fixed cutter bits | — | 2020-08-11 |
| 10731422 | Hybrid cutting structures with blade undulations | Scott D. McDonough | 2020-08-04 |
| 10731420 | Indexing drill bit | Scott Dahlgren, David R. Hall, Joshua J. Hanson, Jonathan Marshall, John J. Pierce +3 more | 2020-08-04 |
| 10655401 | Energy-emitting bits and cutting elements | Madapusi K. Keshavan, Iain Cooper | 2020-05-19 |
| 10597946 | Drill bits with internally tapered blade and trimming cutting elements | — | 2020-03-24 |
| 10309156 | Cutting structures for fixed cutter drill bit and other downhole cutting tools | Bala Durairajan, Madapusi K. Keshavan | 2019-06-04 |
| 10301881 | Fixed cutter drill bit with multiple cutting elements at first radial position to cut core | Hemachandar Mada, Jason Ray Gregg, Joshua Gatell, Edward Wayne Gutierrez, Suman Velvaluri | 2019-05-28 |
| 10287825 | Cutting elements having non-planar surfaces and downhole cutting tools using such cutting elements | Chen Chen, Huimin Song, Liang Zhao, Youhe Zhang, Xiaoge Gan +4 more | 2019-05-14 |