Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6725924 | System and technique for monitoring and managing the deployment of subsea equipment | John A. Kerr, Roderick MacKenzie, Alan Johnston | 2004-04-27 |
| 6681861 | Power system for a well | John A. Kerr, Roderick MacKenzie, Alan Johnston | 2004-01-27 |
| 5503230 | Concentric tubing hanger | John H. Osborne, Brett R. McConaughy, Robert O. Lilley, Norman Brammer | 1996-04-02 |