Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9816349 | Inflatable casing valve | — | 2017-11-14 |
| 9574424 | Pre-tensing sections of concentric tubulars | Alvaro Jose Arrazola | 2017-02-21 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9816349 | Inflatable casing valve | — | 2017-11-14 |
| 9574424 | Pre-tensing sections of concentric tubulars | Alvaro Jose Arrazola | 2017-02-21 |