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Hafrsfjord, Norway

Interwell Norway as

USPTO Granted Patents = 23

EPO Patents = 21

Trademarks = 2

Forward Citations = 25

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16 inventors (with patents filed for the assignee):

Espen Hiorth (14 out of 33 patents)

Stig Ove Bjørgum (4 out of 9 patents)

Arild F Stein (2 out of 4 patents)

4. Thomas Hiorth (2 out of 2 patents)

5. Terje Stormo (1 out of 3 patents)

6. Abdullah Ali Al-Ghamdi (1 out of 1 patent)

7. Mohammed Al-Suliman (1 out of 1 patent)

8. Kay Ivan Steinsheim Rovik (1 out of 1 patent)

9. Ibrahim Mohamed El-Zefzafy (1 out of 4 patents)

10. Markus Morland (1 out of 1 patent)

11. Anders Glad (1 out of 1 patent)

12. Vijay Kumar Keerthivasan (1 out of 3 patents)

13. Erik Åsmund Glennsjø Solland (1 out of 1 patent)

14. Rylan Paul D'Souza (1 out of 2 patents)

15. Petter Thorrud Larsen (1 out of 1 patent)

23 patents: Sort by Forward Citations

1. 12692764 - Valve system for use in a wellbore (2026-07-28),

2. 12416217 - Well tool device for injecting a fluid through a hole in a well bore (2025-09-16),

3. 12416209 - Well tool comprising an anchoring device and method for using (2025-09-16),

4. 12410674 - Downhole millable permanent plug and method for setting a downhole millable permanent plug (2025-09-09),

5. 12312900 - Downhole well tool and method for permanently sealing a downhole well (2025-05-27),

6. 12270273 - Stinger for insertion into a polished bore receptacle, production tubing assembly including a stinger, and polished bore receptacle and method for installing production tubing in a well (2025-04-08),

7. 12188313 - Well tool device for transporting a heat generating mixture into a well pipe (2025-01-07),

8. 12173580 - Well tool comprising an orientation system and method for using same (2024-12-24),

9. 12098611 - Well tool device for transporting a heat generating mixture into a well pipe (2024-09-24),

10. 12037872 - Well tool device (2024-07-16),

11. 11920431 - Valve assembly, a production tubing system and a production tubing sub (2024-03-05),

12. 11879302 - Extrusion preventing device for incorporation into a sealing element and a well tool device comprising a sealing element in which such an extrusion preventing device is incorporated (2024-01-23),

13. 11719069 - Well tool device for opening and closing a fluid bore in a well (2023-08-08),

14. 11692414 - Well tool device for opening and closing a fluid bore in a well (2023-07-04),

15. 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),

Company Overview

Interwell Norway AS specializes in the development and manufacturing of advanced well intervention technologies for the oil and gas industry. The company focuses on enhancing the efficiency and safety of well operations through innovative solutions that address challenges in well integrity and production optimization. With a strong emphasis on research and development, Interwell is committed to delivering cutting-edge technologies that support sustainable energy practices in the global market.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

23 Patents

#1 in Hafrsfjord

#73 in Norway

#27,649 in the World

Hafrsfjord, Norway

Interwell Norway as

Forward Citations = 25

16 inventors:

Espen Hiorth (14 out of 33 patents)

Stig Ove Bjørgum (4 out of 9 patents)

Arild F Stein (2 out of 4 patents)

4. Thomas Hiorth (2 out of 2 patents)

5. Terje Stormo (1 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Interwell Norway as. Retrieved from https://idiyas.com/company/interwell-norway-as

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]

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