Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11761296 | Downhole tools comprising degradable components | — | 2023-09-19 |
| 10870606 | Polycrystalline diamond comprising nanostructured polycrystalline diamond particles and method of making the same | — | 2020-12-22 |
| 10704334 | Polycrystalline diamond compact cutters having protective barrier coatings | — | 2020-07-07 |
| 10648049 | Heat treated heavy weight drill pipe | Fengxiao Liu, Alan W. Lockstedt, Doyle Brinegar | 2020-05-12 |
| 10343212 | Hardfacing containing tungsten carbide particles with barrier coating and methods of making the same | — | 2019-07-09 |
| 9816328 | Friction welded heavy weight drill pipes | Alan W. Lockstedt | 2017-11-14 |