Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5116017 | Annular sealing element with self-pivoting inserts for blowout preventers | Joseph O. Beard, Frode Sveen | 1992-05-26 |
| 5056418 | Self-adjusting automatic locking piston for RAM blowout preventers | Joseph O. Beard, Frode Sveen | 1991-10-15 |
| 5044603 | Variable bore ram rubber with non-overlapping inserts | Joseph O. Beard, Frode Sveen | 1991-09-03 |
| 4949785 | Force-limiting/wear compensating annular sealing element for blowout preventers | Joseph O. Beard, Frode Sveen | 1990-08-21 |
| 4930745 | Variable bore ram rubber | Joseph O. Beard, Frode Sveen | 1990-06-05 |
| 4858882 | Blowout preventer with radial force limiter | Joseph O. Beard, Frode Sveen | 1989-08-22 |
| 4770387 | Variable ram seal for blowout preventers | — | 1988-09-13 |
| 4540046 | Shear ram apparatus | James J. Camerano | 1985-09-10 |