Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6076605 | Horizontal tree block for subsea wellhead and completion method | Stephen P. Fenton, David S. Christie, Peter A. Scott, Walter J. Lacey | 2000-06-20 |
| 5971077 | Insert tree | — | 1999-10-26 |
| 5503230 | Concentric tubing hanger | John H. Osborne, Brett R. McConaughy, Norman Brammer, Kenneth C. Davidson | 1996-04-02 |
| 4848457 | Annulus sliding sleeve valve | — | 1989-07-18 |
| 4771646 | Rotating and indexing mechanism | Michael RUGGIER, Sandy Cow | 1988-09-20 |