Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6817417 | Debris cap | William Crawford, Martin Forsyth, Graeme John Collie, Kevin Hannigan | 2004-11-16 |
| 6474417 | Subsea tree coupling for mudline suspension system | William Gourley Cherrie, James Joseph Tait | 2002-11-05 |
| 6206338 | Fail as-is hydraulic actuator | Len Albert Trail, Timothy J. Otteman | 2001-03-27 |
| 5670213 | Process for increasing torque generated by a clutch | — | 1997-09-23 |
| 5040708 | Caddy for needle punch tools and spools of thread | Barbara Blair | 1991-08-20 |