Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11591506 | Method for making and using a drilling fluid | Stefan Alexandru Stoian | 2023-02-28 |
| 11407002 | Hand tool for application of a viscous material with movable guide | — | 2022-08-09 |
| 11155742 | Drill fluid and method for tunneling | Josh Gawryluk | 2021-10-26 |
| 10876027 | Method for making and using a drilling fluid | Stefan Alexandru Stoian | 2020-12-29 |
| 10738229 | Drilling fluid and method for drilling in coal-containing formations | Stefan Alexandru Stoian | 2020-08-11 |
| 10280353 | Drilling fluid | — | 2019-05-07 |
| 10202532 | Drilling fluid and method for drilling a wellbore | — | 2019-02-12 |
| 9969920 | Drilling fluid and method for drilling in coal-containing formations | — | 2018-05-15 |
| 9850416 | Drilling fluid and method for drilling in coal-containing formations | — | 2017-12-26 |
| 9670394 | Drilling fluid and method for drilling a wellbore | — | 2017-06-06 |
| 8703658 | Drilling fluid and methods | — | 2014-04-22 |
| 8387723 | Drilling fluid and method for drilling in coal-containing formations | Stefan Alexandru Stoian | 2013-03-05 |
| 8338340 | Drilling fluid and methods | Stefan Alexandru Stoian | 2012-12-25 |
| 7989399 | Drilling fluid and methods | Stefan Alexandru Stoian | 2011-08-02 |
| 6706667 | Shale-stabilizing additives | Terence George Balson | 2004-03-16 |