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Karlskrona, Sweden

Roxtec Ab

USPTO Granted Patents = 77

% Expired Patents = 2.6

EPO Patents = 37

Trademarks = 26

Forward Citations = 326

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35 inventors (with patents filed for the assignee):

Andreas Karlsson (19 out of 19 patents)

Stefan Milton (11 out of 12 patents)

Jörgen Landqvist (9 out of 9 patents)

4. Bo Millevik (7 out of 7 patents)

5. Daniel Sträng (6 out of 6 patents)

6. Tomas Kreutz (5 out of 6 patents)

7. Ulf Hildingsson (4 out of 4 patents)

8. Ronnie Pettersson (4 out of 4 patents)

9. Christer Lundborg (3 out of 3 patents)

10. Michael Einwächter (2 out of 2 patents)

11. Almir Bahtijaragic (2 out of 2 patents)

12. Jens Andersson (2 out of 2 patents)

13. Mats Ericson (2 out of 2 patents)

14. Jenny Filipsen (2 out of 2 patents)

15. Jörgen Åkesson (2 out of 2 patents)

Core Competencies:

Cable Transit

Pipe Penetration Seal

Sealing Module

Compression Wedge

Monitoring System

Modular Connector

Fire Protection Seal

Frame for Sealing

Cable Lead-Through

High Density Frame

Inspection System

Welding Fixture

77 patents: Sort by Forward Citations

1. 12725965 - Sealing module for cables or pipes, a transit system comprising such a sealing module, and methods of manufacturing such a sealing module (2026-09-01),

2. 12723681 - Transit device for leading one or more cables and/or pipes through an opening in a partition (2026-09-01),

3. D1137149 - Transit for cables (2026-07-28),

4. 12680628 - Guard sensor device for use with a cable, pipe or wire transit, and a method of guarding a cable, pipe or wire transit (2026-07-14),

5. 12429149 - Round seal (2025-09-30),

6. 12362548 - Transit for passing at least one cable and/or at least one metallic pipe (2025-07-15),

7. 12345366 - Combination of split plate and sleeve, and a sleeve (2025-07-01),

8. 12326212 - Transit for passing cables and/or pipes through a partition opening and use of such a transit (2025-06-10),

9. 12098795 - Monitoring system for cable, pipe or wire transits, and a transit guard unit for use therein (2024-09-24),

10. 12057008 - Transit indicator device, user guidance system and associated method of guiding a local user at a cable, pipe or wire transit (2024-08-06),

11. 11988878 - Transition for an optical fibre cable (2024-05-21),

12. 11976765 - Lead-through comprising a seal and an outer diameter extender (2024-05-07),

13. 11898639 - Seal with different compressions (2024-02-13),

14. 11843234 - Retention device, system and method for holding one or more cables and use thereof (2023-12-12),

15. 11611202 - Sealed cable passage (2023-03-21),

Roxtec AB, headquartered in Karlskrona, Sweden, specializes in innovative cable and pipe sealing solutions. The company develops a range of products designed to ensure the integrity and safety of installations across various industries. Key technologies include cable transit systems, pipe penetration seals, and modular connectors, all engineered to provide effective sealing against environmental factors. Roxtec's commitment to fire protection and monitoring systems further enhances the reliability of its sealing solutions, making it a leader in its field.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

77 Patents

#1 in Karlskrona

#98 in Sweden

#9,761 in the World

Karlskrona, Sweden

Roxtec Ab

Forward Citations = 326

35 inventors:

Andreas Karlsson (19 out of 19 patents)

Stefan Milton (11 out of 12 patents)

Jörgen Landqvist (9 out of 9 patents)

4. Bo Millevik (7 out of 7 patents)

5. Daniel Sträng (6 out of 6 patents)

Please report any incorrect information to [email protected]

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