Patents per Year
Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 4848473 | Subsea well choke system | — | 1989-07-18 | $17,085,000 |
| 4577686 | Mudline support hanger assembly | Lionel J. Milberger, Anthony J. Masciopinto | 1986-03-25 | |
| 4350371 | Subsea pipe connector | Jackie R. Allen | 1982-09-21 | $3,092,000 |
| 4258786 | Safety valve operating apparatus | Lionel J. Milberger | 1981-03-31 | $6,993,000 |
| 4221408 | Pipe swivel joint with optional static seal | Charles E. Horn | 1980-09-09 | $2,461,000 |
| 4193449 | Valve operating circuit | Lionel J. Milberger | 1980-03-18 | $4,373,000 |
| 4188050 | Remote-controlled flowline connector | — | 1980-02-12 | $1,690,000 |