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Ranheim, Norway

Resman as

USPTO Granted Patents = 28

% Expired Patents = 10.7

CIPO Patents = 4

EPO Patents = 14

Trademarks = 3

Forward Citations = 105

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24 inventors (with patents filed for the assignee):

Fridtjof Nyhavn (14 out of 18 patents)

Thomas Sperle (8 out of 11 patents)

Christian Andresen (6 out of 6 patents)

4. Øystein Mølstre (4 out of 5 patents)

5. Anton Kulyakhtin (3 out of 8 patents)

6. Lars Kilaas (3 out of 19 patents)

7. Gaute Oftedal (2 out of 2 patents)

8. Glenn Edward Woiceshyn (2 out of 4 patents)

9. Terje Sira (1 out of 5 patents)

10. Erland Nordgard (1 out of 1 patent)

11. Tor Bjørnstad (1 out of 2 patents)

12. Erlend Fævelen (1 out of 1 patent)

13. Øyvind Dugstad (1 out of 2 patents)

14. Helge Stray (1 out of 4 patents)

15. Kolbjørn Zahlsen (1 out of 1 patent)

28 patents: Sort by Forward Citations

1. 12460542 - Method and apparatus for quantitative multi-phase downhole surveillance (2025-11-04),

2. 12410705 - System and method of monitoring fracturing in geothermal systems (2025-09-09),

3. 12378875 - Targeted tracer injection with online sensor (2025-08-05),

4. 12264579 - Tracer release system and method of use (2025-04-01),

5. 12110787 - Reservoir inflow monitoring (2024-10-08),

6. 12018561 - Tracer release system and method of detection (2024-06-25),

7. 12012848 - Method and apparatus for quantitative multi-phase downhole surveillance (2024-06-18),

8. 11674382 - Method for extracting downhole flow profiles from tracer flowback transients (2023-06-13),

9. 11492897 - Targeted tracer injection with online sensor (2022-11-08),

10. 10961842 - Method for extracting downhole flow profiles from tracer flowback transients (2021-03-30),

11. 10895148 - Online tracer monitoring and tracer meter (2021-01-19),

12. 10871067 - Method for extracting downhole flow profiles from tracer flowback transients (2020-12-22),

13. 10865637 - Real time radioactive (2020-12-15),

14. 10689975 - Petroleum well tracer release flow shunt chamber (2020-06-23),

15. 10669839 - Method for extracting downhole flow profiles from tracer flowback transients (2020-06-02),

Resman AS is a Norwegian company specializing in reservoir management software solutions. They provide advanced technology and expertise to the oil and gas industry to optimize reservoir performance and maximize production. With their innovative software, Resman offers an integrated solution for data analysis, monitoring, and decision-making, helping oil and gas companies make informed decisions and increase efficiency. Visit their website to learn more about their products and services.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

28 Patents

#1 in Ranheim

#61 in Norway

#23,244 in the World

Ranheim, Norway

Resman as

Forward Citations = 105

24 inventors:

Fridtjof Nyhavn (14 out of 18 patents)

Thomas Sperle (8 out of 11 patents)

Christian Andresen (6 out of 6 patents)

4. Øystein Mølstre (4 out of 5 patents)

5. Anton Kulyakhtin (3 out of 8 patents)

Please report any incorrect information to [email protected]

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