Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11828111 | Apparatus and method relating to managed pressure drilling | Richard P. Johnston, Gordon Wallace, Garry Stephen | 2023-11-28 |
| 11708727 | Connection system for a marine drilling riser | Garry Stephen, Richard P. Johnston, Gordon Wallace | 2023-07-25 |
| 4210987 | Apparatus for feeding a moving web to a stenter apparatus | Nigel C. Benson, John M. Hughes, Denis Kingslake | 1980-07-08 |