Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10465487 | Outer casing string and method of installing same | Gavin Paul Robottom, Nigel Hogg | 2019-11-05 |
| 10392883 | Casing hanger lockdown tools | Edward J. Thornton | 2019-08-27 |
| 10161210 | Hydraulically actuated wellhead hanger running tool | — | 2018-12-25 |
| 10087694 | Hanger running tool | Edgar P. Fernandes | 2018-10-02 |
| 9897231 | Needle valve assembly with rotatable cap | — | 2018-02-20 |
| 9631451 | Outer casing string and method of installing same | Gavin Paul Robottom, Nigel Hogg | 2017-04-25 |
| 9598928 | Casing hanger lockdown tools | Edward J. Thornton | 2017-03-21 |
| 8973653 | Running tool | Gavin Paul Robottom | 2015-03-10 |
| 8844638 | Tool for removing wellhead components | — | 2014-09-30 |
| 5421407 | Wellhead load support ring | — | 1995-06-06 |
| 5209256 | Sealing arrangements | — | 1993-05-11 |
| 4875523 | Pipeline servicing tool | — | 1989-10-24 |