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Ulricehamn, Sweden

Iro Ab

USPTO Granted Patents = 62

% Expired Patents = 6.5

EPO Patents = 13

Forward Citations = 227

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37 inventors (with patents filed for the assignee):

Lars Helge Tholander (19 out of 35 patents)

Joachim Fritzson (11 out of 11 patents)

Paer Josefsson (10 out of 16 patents)

4. Kurt A Jacobsson (9 out of 44 patents)

5. Lars-Berno Fredriksson (7 out of 52 patents)

6. Per Ohlson (4 out of 6 patents)

7. Renato Comotto (3 out of 5 patents)

8. Stefano Lamprillo (3 out of 6 patents)

9. Kurt Arne Gunnar Jacobsson (3 out of 7 patents)

10. Par A Josefsson (3 out of 3 patents)

11. Jerker Hellstrom (3 out of 6 patents)

12. Jerker Hellstroem (2 out of 6 patents)

13. Thomas Bergman (2 out of 2 patents)

14. Egon Johansson (2 out of 3 patents)

15. Henrik Lilja (2 out of 2 patents)

Core Competencies:

Yarn Tension

Braking Device

Yarn Feeder

Opto-Electronic Sensor

Thread Delivery

Measuring Device

Pneumatic Valve

Weft Insertion

Elastic Yarn

Thread Feed System

Textile Control

Storage Drum

62 patents: Sort by Forward Citations

1. 8175740 - Yarn tension monitoring and setting system (2012-05-08),

2. 7896279 - Yarn braking device (2011-03-01),

3. 7836775 - Yarn tensiometer (2010-11-23),

4. 7661621 - Thread tensioner (2010-02-16),

5. 7574927 - Tensiometer (2009-08-18),

6. 6322016 - Thread delivery device and thread brake (2001-11-27),

7. 6257516 - Axial disc brake and yarn feeding device including an axial disc brake (2001-07-10),

8. 6213419 - Elastic anti-ballooning band on a yarn feeder (2001-04-10),

9. 6199598 - Measuring feeding device with brake shoe clamp (2001-03-13),

10. 6164580 - Yarn feeding device having a yarn brake that is self-centering via a (2000-12-25),

11. 616458 - Yarn feeding device having a yarn brake that is self-centering via a (2000-12-26),

12. 6125892 - Yarn feeding apparatus and braking device including an elastic annular (2000-10-03),

13. 6123281 - Yarn feeder having at least one yarn sensor (2000-09-26),

14. 6095449 - Device and method to control yarn tension and yarn feeder (2000-08-01),

15. 6095200 - Opto-electronic sensor device for a yarn feeder (2000-08-01),

Company Overview

Iro Ab, based in Ulricehamn, Sweden, specializes in advanced yarn feeding technology, focusing on optimizing yarn tension and delivery systems. The company develops innovative solutions such as braking devices, yarn feeders, and opto-electronic sensors, which enhance the efficiency and precision of textile manufacturing processes. With a commitment to improving weft insertion techniques and integrating pneumatic valves and measuring devices, Iro Ab plays a pivotal role in the evolution of textile machinery, catering to the needs of the global textile industry.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

62 Patents

#1 in Ulricehamn

#113 in Sweden

#11,768 in the World

Ulricehamn, Sweden

Iro Ab

Forward Citations = 227

37 inventors:

Lars Helge Tholander (19 out of 35 patents)

Joachim Fritzson (11 out of 11 patents)

Paer Josefsson (10 out of 16 patents)

4. Kurt A Jacobsson (9 out of 44 patents)

5. Lars-Berno Fredriksson (7 out of 52 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Iro Ab. Retrieved from https://idiyas.com/company/iro-ab

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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