For the Inventor, By the Inventor

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Huntley, IL, United States of America

Union Special Corporation

USPTO Granted Patents = 216

EPO Patents = 1

Trademarks = 4

Forward Citations = 1,358

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145 inventors (with patents filed for the assignee):

Robert L Kosrow (22 out of 23 patents)

Maximilian Adamski (20 out of 21 patents)

Maximilian Adamski, Jr (18 out of 18 patents)

4. Gunter H Rohr (15 out of 16 patents)

5. Wolf R Von Hagen (11 out of 11 patents)

6. Stephen Ruderman (10 out of 12 patents)

7. Manfred Ackermann (9 out of 10 patents)

8. James C Hsiao (9 out of 9 patents)

9. Wolfgang Norz (8 out of 9 patents)

10. Dieter Schopf (6 out of 6 patents)

11. George M Toman (6 out of 7 patents)

12. Hermann Gauch (5 out of 5 patents)

13. Anthony D Forte (5 out of 5 patents)

14. Stephen S Ruderman (5 out of 5 patents)

15. Ronald J Boser (5 out of 23 patents)

Core Competencies:

Sewing Machines

Automated Sewing Systems

Thread Control Devices

Sleeve Making Apparatus

Coverstitch Technology

Vacuum Latchtack Devices

Three Needle Stitch

Chain Stitch Mechanisms

Sewing Machine Feed Mechanisms

Button-Holding Devices

Collarette Attachment Methods

Edge Guiding Devices

216 patents: Sort by Forward Citations

1. 7441508 - Mattress edge sewing machine (2008-10-28),

2. 6123041 - Automated sewing system and method for sewing a knit glove cuff edge (2000-09-26),

3. 6062153 - Sewing machine having a mechanical metering device (2000-05-16),

4. 5899156 - Thread control device for a chainstitch sewing machine (1999-05-04),

5. 5850792 - Method and apparatus for sewing sleeves on shirt bodies (1998-12-22),

6. 5813356 - Sewing machine with trimming device (1998-09-29),

7. 5803002 - Method and apparatus for latchtacking (1998-09-08),

8. 5765495 - Method for sleeve alignment prior to sewing (1998-06-16),

9. 5765494 - Sleeve making method and apparatus (1998-06-16),

10. 5709162 - Semi-automatic method to attach circular collars to T-shirts (1998-01-20),

11. 5676078 - Method and apparatus for sewing sleeves on shirt bodies (1997-10-14),

12. 5653187 - Upper feed mechanism for sewing machine and sewing machine having the (1997-08-05),

13. 5642681 - Sewing sleeves on shirt bodies (1997-07-01),

14. 5628264 - Sleeve making method and apparatus (1997-05-13),

15. 5622125 - Automatic coverstitch on circular garment bands (1997-04-22),

Union Special Corporation is a leading manufacturer of industrial sewing machines and equipment. With over 140 years of experience, Union Special has earned a reputation for producing reliable and innovative solutions for diverse applications. The company offers a wide range of sewing machines for various industries, including automotive, apparel, upholstery, and packaging. Union Special takes pride in delivering high-quality products that meet the growing demands of its global customer base. Visit their website for more information and to explore their extensive range of sewing solutions.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

216 Patents

#1 in Huntley, IL

#124 in Illinois

#1,852 in US

#3,824 in the World

Huntley, IL, United States of America

Union Special Corporation

Forward Citations = 1,358

145 inventors:

Robert L Kosrow (22 out of 23 patents)

Maximilian Adamski (20 out of 21 patents)

Maximilian Adamski, Jr (18 out of 18 patents)

4. Gunter H Rohr (15 out of 16 patents)

5. Wolf R Von Hagen (11 out of 11 patents)

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