Patents per Year
Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 5158141 | COupling arrangement for components in subsea structures and a remotely operated tool unit for handling such components | Tormod Hals | 1992-10-27 | $41,442,000 |
| 4602806 | Seal construction for fluid swivel joints incorporating a free-floating anti-extrusion device with oil injection system | — | 1986-07-29 | $18,071,000 |
| 4555118 | Seal construction for fluid swivel joints | — | 1985-11-26 | $10,592,000 |
| 4544036 | Vertical flowline connector | — | 1985-10-01 | $10,525,000 |
| 4534585 | Pipe joint locking device | — | 1985-08-13 | $18,562,000 |
| 4335904 | Toggle mechanism connector | Martin Jansen | 1982-06-22 | $6,066,000 |
| 4276932 | Well casing hanger assembly | Martin Jansen | 1981-07-07 | $18,202,000 |
| 4222592 | Toggle mechanism connector | Martin Jansen | 1980-09-16 | $12,936,000 |