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For the Inventor, By the Inventor

Downers Grove, IL, United States of America

Silgan White Cap LLC


USPTO Granted Patents = 113

% Expired Patents = 4.4



Forward Citations = 1,260

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21 inventors (with patents filed for the assignee):

goldMedal Gary L Berge (44 out of 67 patents)

silverMedal Darren R Neputy (43 out of 44 patents)

bronzeMedal Sungsuk Steve Kim (28 out of 34 patents)

4.  James M Taber (14 out of 23 patents)

5.  William J Kapolas (12 out of 12 patents)

6.  Dennis A Szczesniak (11 out of 11 patents)

7.  Thomas P Hennessy (10 out of 11 patents)

8.  Dustin Vance (8 out of 8 patents)

9.  Richard D Lohrman (7 out of 7 patents)

10.  Kevin W Orth (5 out of 12 patents)

11.  Timothy Graham Stephenson (3 out of 3 patents)

12.  Stephen J Kras (3 out of 11 patents)

13.  Thomas C Schafer (2 out of 5 patents)

14.  Mark Hewett (2 out of 2 patents)

15.  Tian Liang (2 out of 2 patents)


Core Competencies:
Hinged Closure
Flip Top Closure
Tamper Evident Cap
Molded Dispensing
Multi-Sided Closure
Threaded Cap
Safety Closure
Low Weight Closure
Sealing Structures
Ventilation Closure
Composite Closure
Tethered Closure

113 patents:

1. 12715663 - Composite closure having improved seal (2026-08-25),
2. D1141918 - Closure (2026-08-18),
3. D1138738 - Closure (2026-08-04),
4. D1132147 - Multi-sided closure (2026-06-30),
5. 12654911 - Tethered, hinged closure (2026-06-16),
6. 12637264 - Tethered flip closure (2026-05-26),
7. 12637263 - Closure multiple flexing hinge (2026-05-26),
8. 12583649 - Modified sidewall of tethered closure (2026-03-24),
9. 12570449 - Closure with hinge (2026-03-10),
10. 12570442 - Closure with pivotal cap (2026-03-10),
11. D1115523 - Closure with overcap (2026-03-03),
12. D1114619 - Flip top closure (2026-02-24),
13. 12492045 - Tethered, hinged closure (2025-12-09),
14. 12384608 - Protrusion on container neck (2025-08-12),
15. D1085875 - Closure (2025-07-29),
Silgan White Cap LLC, based in Downers Grove, Illinois, specializes in innovative closure technology. The company develops a wide range of closure solutions, including hinged closures, flip top closures, and tamper evident caps, catering to various industries. Their expertise extends to molded dispensing systems, multi-sided closures, threaded caps, and safety closures, all designed to enhance product integrity and user convenience. Silgan White Cap is committed to advancing closure technology while prioritizing sustainability and efficiency in its manufacturing processes.
Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Sep 29 2026

Silgan White Cap LLC
113 Patents

#2 in Downers Grove, IL

#200 in Illinois

#3,401 in US

#6,993 in the World

Downers Grove, IL (US)
Downers Grove, IL, United States of America

Silgan White Cap LLC

Forward Citations = 1,260

21 inventors:

goldMedal Gary L Berge (44 out of 67 patents)

silverMedal Darren R Neputy (43 out of 44 patents)

bronzeMedal Sungsuk Steve Kim (28 out of 34 patents)

4.  James M Taber (14 out of 23 patents)

5.  William J Kapolas (12 out of 12 patents)

Please report any incorrect information to [email protected]
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