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For the Inventor, By the Inventor

Stavanger, Norway

Smartseal as


USPTO Granted Patents = 13

% Expired Patents = 7.7


Forward Citations = 41

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9 inventors (with patents filed for the assignee):

goldMedal Kjetil Naesje (6 out of 8 patents)

silverMedal Rune Knutsen (6 out of 7 patents)

bronzeMedal Jeroen Gerrit Anton Gebbink (4 out of 13 patents)

4.  Kyrre Delin Fredriksen (2 out of 5 patents)

5.  Kolbjørn Næsje (1 out of 1 patent)

6.  Børge Lund (1 out of 1 patent)

7.  John Minagawa-Webster (1 out of 1 patent)

8.  Jeroen Anton Gebbink (1 out of 1 patent)

9.  Kjetil Næsje (4 patents)

10.  Rune Kristian Knutsen (0 patent)


13 patents:

1. 12583652 - Sealing unit for a liquid container (2026-03-24),
2. D1117632 - Dispensing nozzle (2026-03-10),
3. 12378045 - Device and method for handling a sealing device (2025-08-05),
4. 12281002 - Sealing unit for a container (2025-04-21),
5. 12234064 - Sealing device for sealing a receptacle (2025-02-25),
6. 9439523 - Closure for a container, beverage container and a method of operating a closure (2016-09-13),
7. D711225 - Tamper evident device (2014-08-19),
8. 8567647 - Multifunctional seal device for a valve for a drinking receptacle (2013-10-29),
9. 7775394 - Opening-force-maximizing device of an underpressure-activated valve for a drinking container (2010-08-17),
10. 7530469 - Valve device having two membranes for a drinking container (2009-05-12),
11. 7431047 - Device for underpressure-activated dispensing of fluids (2008-10-07),
12. 7419069 - Valve for a drinking receptacle (2008-09-02),
13. 7374061 - Sealing device for a drinking container (2008-05-20),
Company Overview
Smartseal AS is a Norwegian company based in Stavanger, specializing in advanced sealing solutions for various industrial applications. The organization focuses on developing innovative technologies that enhance the performance and reliability of sealing systems, catering to sectors such as oil and gas, marine, and manufacturing. With a commitment to quality and sustainability, Smartseal AS aims to provide effective solutions that meet the evolving needs of its clients while ensuring operational efficiency and environmental responsibility.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 13 2026

13 Patents

#16 in Stavanger

#127 in Norway

#45,039 in the World

Stavanger, NO
Stavanger, Norway

Smartseal as

Forward Citations = 41

9 inventors:

goldMedal Kjetil Naesje (6 out of 8 patents)

silverMedal Rune Knutsen (6 out of 7 patents)

bronzeMedal Jeroen Gerrit Anton Gebbink (4 out of 13 patents)

4.  Kyrre Delin Fredriksen (2 out of 5 patents)

5.  Kolbjørn Næsje (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Smartseal as. Retrieved from https://idiyas.com/company/smartseal-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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