Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12049796 | Crown plug securement system | Michael Robertson, Richard Arthur, Brent Harrald, Steve Rizza, Jinde Hao | 2024-07-30 |
| 11808104 | Seal for a well | Bernard Herman Van Bilderbeek, Brent Harrald | 2023-11-07 |
| 10287838 | Running tool | Bernard Herman Van Bilderbeek, Michael C. Robertson, Mark E. Bridges | 2019-05-14 |
| 9388656 | Subsea wellhead including monitoring apparatus | Bernard Herman Van Bilderbeek, Michael C. Robertson | 2016-07-12 |
| 9273532 | Securement arrangement for securing casing inside a subsea wellhead | Bernard Herman Van Bilderbeek, Michael C. Robertson | 2016-03-01 |
| 9145752 | Clamping arrangement | — | 2015-09-29 |
| 7740061 | Externally activated seal system for wellhead | Bernard Herman Van Bilderbeek | 2010-06-22 |
| 7104318 | Self-contained centralizer system | — | 2006-09-12 |
| 6779602 | Seal | Bernard Herman Van Bilderbeek | 2004-08-24 |