Issued Patents All Time
Showing 1–25 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12416217 | Well tool device for injecting a fluid through a hole in a well bore | Arild F. Stein | 2025-09-16 |
| 12410674 | Downhole millable permanent plug and method for setting a downhole millable permanent plug | — | 2025-09-09 |
| 12312900 | Downhole well tool and method for permanently sealing a downhole well | — | 2025-05-27 |
| 12188313 | Well tool device for transporting a heat generating mixture into a well pipe | — | 2025-01-07 |
| 12098611 | Well tool device for transporting a heat generating mixture into a well pipe | — | 2024-09-24 |
| 12037872 | Well tool device | — | 2024-07-16 |
| 12024970 | Well tool device and method of forming a permanent well barrier, configured to generate a forced flow of molten mass | Michael Skjold | 2024-07-02 |
| 11719069 | Well tool device for opening and closing a fluid bore in a well | Stig Ove Bjørgum | 2023-08-08 |
| 11692414 | Well tool device for opening and closing a fluid bore in a well | Stig Ove Bjørgum | 2023-07-04 |
| 11680458 | Method for replacing a chemical injection valve connected to a well head via an injection line housing and injection line plugging tool | — | 2023-06-20 |
| 11428071 | Well tool device for opening and closing a fluid bore in a well | Stig Ove Bjørgum | 2022-08-30 |
| 11293262 | Well tool device for opening and closing a fluid bore in a well | Stig Ove Bjørgum | 2022-04-05 |
| 11268336 | Well tool device comprising a ratchet system | Terje Stormo | 2022-03-08 |
| 11021927 | Well tool assembly | — | 2021-06-01 |
| 10808489 | Well tool device with a frangible glass body | — | 2020-10-20 |
| 10753160 | Well tool device | — | 2020-08-25 |
| 10544654 | Well tool device with a frangible disc | Stig Ove Bjørgum | 2020-01-28 |
| 10472925 | Well tool device with actuation device in through opening of frangible disc | Stig Ove Bjørgum | 2019-11-12 |
| 10370933 | Well tool device comprising force distribution device | — | 2019-08-06 |
| 10309185 | Releasable ratchet device | — | 2019-06-04 |
| 9945205 | Plugging device | — | 2018-04-17 |
| 9784060 | Junk catching device | Christian Malvik | 2017-10-10 |
| 9732579 | Plug apparatus | Gudleik Klette, Stig Ove Bjorgum | 2017-08-15 |
| 9695668 | Millable plugging device | — | 2017-07-04 |
| 9562413 | Plugging device | — | 2017-02-07 |