Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9487120 | Spreadgate flow adjuster | — | 2016-11-08 |
| 7533719 | Wellhead with non-ferromagnetic materials | Harold J. Vinegar | 2009-05-19 |
| 4454918 | Thermally stimulating mechanically-lifted well production | Edwin A. Richardson | 1984-06-19 |