Issued Patents 2018
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10161824 | Hydrostatic pressure test method and apparatus | Clifford Lee Hilpert, Lewis J. Dutel, Laura Tufts Meyer | 2018-12-25 |
| 10113650 | Dual seat valve | Clifford Lee Hilpert | 2018-10-30 |
| 10107712 | Automated blowout preventer control and testing system | Clifford Lee Hilpert | 2018-10-23 |
| 9861991 | Control system for a decanter centrifuge | — | 2018-01-09 |