Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10513893 | Joint element, a casing string including such a joint element and a method for compensating of forces due to thermal effects in a casing string | Mats Johansson, Len Barton | 2019-12-24 |
| 10472921 | Temperature activated zonal isolation packer device | Len Barton, Mats Johansson | 2019-11-12 |