Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12270477 | Needle for a choke valve assembly | Frederic Pauchet, Edmund Peter McHugh, J. Daniel Belnap, Cheng Peng, David Wahlquist +3 more | 2025-04-08 |
| 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 |
| 12078015 | Polycrystalline diamond cutting element having improved cutting efficiency | Ronald K. Eyre, Yi Fang, Ronald B. Crockett, Aaron Madsen, Haibo Zhang +5 more | 2024-09-03 |
| 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 |
| 11015397 | Cutting elements and drill bits incorporating the same | Stewart N. Middlemiss | 2021-05-25 |
| 10562000 | Assemblies for making superhard products by high pressure/high temperature processing | David P. DenBoer, Clint Hamilton, Michael David France, Ryan Davis, Yi Fang | 2020-02-18 |
| 7543662 | Stress-relieved diamond inserts | J. Daniel Belnap, Christopher A. Tucker | 2009-06-09 |
| 6604588 | Gage trimmers and bit incorporating the same | Ronald K. Eyre, Stewart N. Middlemiss | 2003-08-12 |