Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8434560 | Tubing hanger with integral annulus shutoff valve | David Baskett | 2013-05-07 |
| 6966381 | Drill-through spool body sleeve assembly | Michael Matusek, David H. Theiss | 2005-11-22 |
| 5971076 | Subsea wellhead structure for transferring large external loads | William M. Taylor | 1999-10-26 |