Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7216699 | Sub mudline abandonment connector | John E. Nelson | 2007-05-15 |
| 6244348 | Well production system with a hydraulically operated safety valve | Norman Brammer, Brett R. McConaughy | 2001-06-12 |
| 6119773 | Well production system with a hydraulically operated safety valve | Norman Brammer, Brett R. McConaughy | 2000-09-19 |
| 5865250 | Fluid connector with check valve and method of running a string of tubing | — | 1999-02-02 |
| 5465794 | Hydraulic seal between tubing hanger and wellhead | Brett R. McConaughy, Norman Brammer | 1995-11-14 |
| 5450905 | Pressure assist installation of production components in wellhead | Norman Brammer | 1995-09-19 |
| 5355961 | Metal and elastomer casing hanger seal | Lawrence A. Eckert | 1994-10-18 |
| 5290126 | Antirotation device for subsea wellheads | Rodolfo Lugo, B. Lee Danner | 1994-03-01 |
| 5160172 | Threaded latch ring tubular connector | — | 1992-11-03 |