Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10787900 | Differential pressure indicator for downhole isolation valve | Joe Noske, Christopher L. McDowell, Brian Mickens | 2020-09-29 |
| 10132137 | Bidirectional downhole isolation valve | Christopher L. McDowell, Joe Noske, Simon J. Harrall | 2018-11-20 |