Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9903183 | Method and apparatus for catching and retrieving objects in a well | — | 2018-02-27 |
| 9458702 | Method and apparatus for catching and retrieving objects in a riser assembly | — | 2016-10-04 |
| 9394755 | Method and apparatus for catching and retrieving objects in a well | — | 2016-07-19 |
| 4896720 | Method and system for cleaning well casing | — | 1990-01-30 |