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Vikmanshyttan, Sweden

Ctek Sweden Ab

USPTO Granted Patents = 17

EPO Patents = 12

Trademarks = 11

Forward Citations = 372

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10 inventors (with patents filed for the assignee):

Tor Magnusson (5 out of 5 patents)

Joakim Norin (4 out of 13 patents)

Lars Olov Ahlgren (4 out of 4 patents)

4. Helge Andersson (3 out of 3 patents)

5. Börje Maleus (3 out of 4 patents)

6. Per Eriksson (1 out of 2 patents)

7. Linus Eriksson (1 out of 1 patent)

8. Hans-Olof Frojd (1 out of 2 patents)

9. Bengt Wahlqvist (1 out of 2 patents)

10. Daniel Sundqvist (1 out of 1 patent)

11. Peter Nordlöf (2 patents)

12. Hans-Olof FRÖJD (0 patent)

17 patents: Sort by Forward Citations

1. 12377747 - Method to detect vehicle battery type before charge (2025-08-05),

2. 11691535 - Method for improving life span of a battery (2023-07-04),

3. 11385291 - Battery monitoring unit and method thereof (2022-07-12),

4. 10830824 - System and a method for determining state-of-charge of a battery (2020-11-10),

5. 10328807 - Method for operating a battery charger, and a battery charger (2019-06-25),

6. 8901884 - Combined battery charger and battery equalizer (2014-12-02),

7. D682779 - Apparatus for recharging batteries (2013-05-21),

8. 8368345 - Battery charging system for controlling the supply of charging current depending on battery temperature, a battery operated system and a method for state controlled charging (2013-02-05),

9. 8350535 - Battery charging and electrical energy delivery system for delivering electrical energy to consumers and charging current to a battery and a battery operated system (2013-01-08),

10. RE42303 - Female electrical connector component (2011-04-25),

11. RE42230 - Male electrical connector component (2011-03-21),

12. D596126 - Female electrical connector component (2009-07-14),

13. D596125 - Male electrical connector component (2009-07-14),

14. D581356 - Battery charger (2008-11-25),

15. D580853 - Battery charger (2008-11-18),

Ctek Sweden Ab is a leading global supplier of battery management solutions for automotive and industrial applications. Founded in 1997, the company specializes in smart charging solutions that maximize battery performance and prolong its lifespan. With a strong focus on innovation and quality, Ctek products are trusted by customers worldwide to keep their batteries in peak condition.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

17 Patents

#1 in Vikmanshyttan

#360 in Sweden

#34,859 in the World

Vikmanshyttan, Sweden

Ctek Sweden Ab

Forward Citations = 372

10 inventors:

Tor Magnusson (5 out of 5 patents)

Joakim Norin (4 out of 13 patents)

Lars Olov Ahlgren (4 out of 4 patents)

4. Helge Andersson (3 out of 3 patents)

5. Börje Maleus (3 out of 4 patents)

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