Issued Patents 2017
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9790608 | Methods of forming borided down hole tools | Vivekanand Sista, John H. Stevens | 2017-10-17 |
| 9765441 | Methods of forming borided down-hole tools | Vivekanand Sista, John H. Stevens | 2017-09-19 |
| 9687940 | Methods and compositions for brazing, and earth-boring tools formed from such methods and compositions | Wei Chen, John H. Stevens | 2017-06-27 |
| 9670738 | Methods of forming a hardfacing composition, methods of hardfacing a downhole tool, and methods of forming an earth-boring bit | — | 2017-06-06 |