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For the Inventor, By the Inventor

Indre Arna, Norway

Tco As


USPTO Granted Patents = 31



Forward Citations = 87

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19 inventors (with patents filed for the assignee):

goldMedal Viggo Brandsdal (9 out of 21 patents)

silverMedal Tommy Eriksen (6 out of 7 patents)

bronzeMedal Jan Tore Tveranger (5 out of 8 patents)

4.  Bård Angell (3 out of 3 patents)

5.  Geir Arne Melhus (3 out of 3 patents)

6.  Jostein Elbert (3 out of 3 patents)

7.  Keith Donald Woodford (3 out of 4 patents)

8.  Adrian Caruana (3 out of 3 patents)

9.  Bård Nerdal (2 out of 2 patents)

10.  Stig Ove Bjørgum (1 out of 9 patents)

11.  Oliver Guest (1 out of 1 patent)

12.  Morten Lerbrekk (1 out of 2 patents)

13.  Melhus Geir (1 out of 1 patent)

14.  Tore Hassel Sorensen (1 out of 1 patent)

15.  Helge Loken (0 patent)


31 patents:

1. 12378839 - Asymmetric bearing ring (2025-08-05),
2. 12359526 - Breaking object for a frangible plug (2025-07-15),
3. 12312894 - Method for pulling tubulars using a pressure wave (2025-05-27),
4. 12305472 - Tensile release mechanism (2025-05-20),
5. 12305471 - Plug assembly with sloped walls (2025-05-20),
6. 12271211 - Fail open valve (2025-04-08),
7. 12253175 - Metal bellows for downhole use (2025-03-18),
8. 11851968 - Plug assembly (2023-12-26),
9. 11512559 - Self calibrating toe valve (2022-11-29),
10. 11441382 - Plug assembly (2022-09-13),
11. 11365598 - Holding and crushing device for barrier plug (2022-06-21),
12. 11346182 - Self-calibrating device for activating downhole tools and/or operations (2022-05-31),
13. 11332999 - Plug assembly (2022-05-17),
14. 11168546 - Gun for oriented perforation (2021-11-09),
15. 10920525 - Self calibrating toe valve (2021-02-16),
TCO AS is a Norwegian company specializing in providing cutting-edge technology solutions for the oil and gas industry. With over 20 years of experience, TCO offers a wide range of products and services including drilling optimization, data analytics, and real-time monitoring. Our innovative solutions help improve operational efficiency, reduce costs, and enhance safety for our clients. Visit our website to learn more about our comprehensive offerings and how TCO can help your business thrive in the evolving energy landscape.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 16 2025

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31 Patents

#1 in Indre Arna

#55 in Norway

#20,625 in the World

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Indre Arna, Norway

Tco As

Forward Citations = 87

19 inventors:

goldMedal Viggo Brandsdal (9 out of 21 patents)

silverMedal Tommy Eriksen (6 out of 7 patents)

bronzeMedal Jan Tore Tveranger (5 out of 8 patents)

4.  Bård Angell (3 out of 3 patents)

5.  Geir Arne Melhus (3 out of 3 patents)

Please report any incorrect information to support@idiyas.com
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