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For the Inventor, By the Inventor

Downers Grove, IL, United States of America

Flexible Steel Lacing Company


USPTO Granted Patents = 154



Trademarks = 30

Forward Citations = 2,016

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73 inventors (with patents filed for the assignee):

goldMedal Brett Edwin DeVries (37 out of 37 patents)

silverMedal Edward C Musil (22 out of 22 patents)

bronzeMedal Mark Steven Pettinga (21 out of 21 patents)

4.  William James Daniels (15 out of 15 patents)

5.  Daniel J Kuiper (14 out of 14 patents)

6.  John H Winkelman (11 out of 11 patents)

7.  Joseph C Vogrig (11 out of 11 patents)

8.  Winston C Pray (8 out of 8 patents)

9.  Joannes Stefanus Van't Schip (7 out of 7 patents)

10.  Richard W Gilman (6 out of 6 patents)

11.  Andrew J Zieger (6 out of 6 patents)

12.  William Robert Wawczak (6 out of 6 patents)

13.  Pan Yim Ng (5 out of 5 patents)

14.  Carl J Hessler (5 out of 5 patents)

15.  Gary E Mitas (5 out of 5 patents)


Core Competencies:
Conveyor Belt Cleaner
Conveyor Belt Fastener
Conveyor Transfer Guards
Conveyor Gap Blocker
Monitoring System
Belt Splicing Apparatus
Hydraulic Vibratory Tool
Fastener Applicator
Roller Conveyor
Removable Cartridge Cleaner
Cutting Apparatus
Collating System

154 patents:

1. 12497248 - Conveyor belt cleaner blade wear monitoring system (2025-12-16),
2. D1104400 - Conveyor belt cleaner blade (2025-12-02),
3. D1103544 - Conveyor belt edge guard (2025-11-25),
4. D1087520 - Conveyor belt cleaner blade (2025-08-05),
5. 12378083 - Conveyor gap blocker (2025-08-05),
6. 12371272 - Monitoring system for conveyor belt ancillary devices (2025-07-29),
7. 12365550 - Conveyor transfer guards (2025-07-22),
8. 12365549 - Conveyor transfer guards (2025-07-22),
9. D1083279 - Fastener for steel cable conveyor belts (2025-07-08),
10. 12330886 - Conveyor transfer guards (2025-06-17),
11. 12286302 - Roller conveyor gap blocker (2025-04-29),
12. D1064492 - Conveyor gap blocker (2025-02-25),
13. 12162669 - Collating system for conveyor belt rivets and method (2024-12-10),
14. 12085149 - Fastener for cable conveyor belt (2024-09-10),
15. 12071314 - Conveyor transfer guards (2024-08-27),
Flexible Steel Lacing Company is a global leader in conveyor belt solutions and industrial hose products. With a history dating back over 100 years, we provide innovative and reliable products that enhance the efficiency and safety of material handling operations. Our superior mechanical fastening systems, belt cleaners, and hydraulic fittings ensure optimal performance and reduce downtime. Visit our website to learn more about our comprehensive range of products and solutions.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 30 2025

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154 Patents

#2 in Downers Grove, IL

#160 in Illinois

#2,487 in US

#5,183 in the World

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Downers Grove, IL, United States of America

Flexible Steel Lacing Company

Forward Citations = 2,016

73 inventors:

goldMedal Brett Edwin DeVries (37 out of 37 patents)

silverMedal Edward C Musil (22 out of 22 patents)

bronzeMedal Mark Steven Pettinga (21 out of 21 patents)

4.  William James Daniels (15 out of 15 patents)

5.  Daniel J Kuiper (14 out of 14 patents)

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