Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11560772 | Running tool and method of cleaning a downhole well casing | — | 2023-01-24 |
| 11441398 | Well barrier and release device for use in drilling operations | Klaus Mikkelsen | 2022-09-13 |
| 10240439 | Running tool and liner hanger contingency release mechanism | Richard Paul Noffke | 2019-03-26 |
| 10053954 | Cementing a liner using reverse circulation | Richard Paul Noffke, David Matus, Odee Daigle, Ryan T. Humphrey, Stephen Ross Maddux | 2018-08-21 |
| 9869157 | Reverse circulation cementing system for cementing a liner | Emile Edmund Sevadjian, Gary Allen Kohn, Richard Paul Noffke, Grant Lynn Hartman, Stephen Ross Maddux +3 more | 2018-01-16 |
| 9828832 | Mechanically actuated device positioned below mechanically actuated release assembly utilizing J-slot device | — | 2017-11-28 |
| 9347278 | Load cross-over slip-joint mechanism and method of use | Brock Watson | 2016-05-24 |
| 8881824 | Mechanically actuated device positioned below mechanically actuated release assembly utilizing J-slot device | — | 2014-11-11 |
| 8490692 | Contingency release device that uses right-hand torque to allow movement of a collet prop | Brock Watson | 2013-07-23 |
| 8485266 | Contigency release device that uses right-hand torque to allow movement of a collet prop | Brock Watson | 2013-07-16 |