Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9500045 | Reciprocating and rotating section and methods in a drilling system | Beat Kuttel, Faisal J. Yousef, Keith HAGER, Randy Slocum | 2016-11-22 |
| 6920926 | Top drive well casing system | Allan Stewart Richardson, Beat Kuttel | 2005-07-26 |
| 6840493 | Valve actuator | Allan Stewart Richardson, Beat Kuttel | 2005-01-11 |
| 6679333 | Top drive well casing system and method | Allan Stewart Richardson, Beat Kuttel | 2004-01-20 |