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For the Inventor, By the Inventor

Huntley, IL, United States of America

Union Special Corporation


USPTO Granted Patents = 216

% Expired Patents = 0.46


Trademarks = 4

Forward Citations = 1,366

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144 inventors (with patents filed for the assignee):

goldMedal Robert L Kosrow (23 out of 23 patents)

silverMedal Maximilian Adamski (21 out of 21 patents)

bronzeMedal 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 16 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 Machine
Automated Sewing
Thread Control
Sleeve Making
Coverstitch
Chainstitch
Alignment Device
Presser Device
Hemmer Seamer
Circular Seams
Elastic Waistbands
Cloth Handling

216 patents:

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, headquartered in Huntley, Illinois, specializes in advanced sewing technology, focusing on the development and manufacturing of high-performance sewing machines. The company is renowned for its innovations in automated sewing solutions, including specialized machines for coverstitch, chainstitch, and sleeve making. Union Special is committed to enhancing thread control and alignment devices, ensuring precision and efficiency in the sewing process, catering to a diverse range of industries that require reliable and sophisticated sewing equipment.
Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Sep 29 2026

Union Special Corporation
216 Patents

#1 in Huntley, IL

#124 in Illinois

#1,941 in US

#3,958 in the World

Huntley, IL (US)
Huntley, IL, United States of America

Union Special Corporation

Forward Citations = 1,366

144 inventors:

goldMedal Robert L Kosrow (23 out of 23 patents)

silverMedal Maximilian Adamski (21 out of 21 patents)

bronzeMedal 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)

Please report any incorrect information to [email protected]
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