Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12338702 | Oilfield unitized wellhead with integrated internal hanger retainer system | — | 2025-06-24 |
| 11846153 | Oilfiled unitized wellhead with integrated internal hanger retainer system | — | 2023-12-19 |
| 8602458 | Wellhead pipe coupling | Keith David Farquharson | 2013-12-10 |
| 8539976 | Back pressure valve with double barrier sealing | James Otis Miller | 2013-09-24 |
| 8490706 | Casing head connector | — | 2013-07-23 |
| 8403057 | Wellhead connection | Keith David Farquharson | 2013-03-26 |
| 7950466 | Wellhead system and connector for wellheads | Randy P. Nichols, Henry Lang | 2011-05-31 |