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For the Inventor, By the Inventor

Crystal Lake, IL, United States of America

Knaack LLC


USPTO Granted Patents = 18



Trademarks = 32

Forward Citations = 211

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30 inventors (with patents filed for the assignee):

goldMedal Robert A Bergum (10 out of 13 patents)

silverMedal Jeff Kotz (3 out of 3 patents)

bronzeMedal Snehal Madhavrao Wagh (3 out of 3 patents)

4.  Ajay Utpat (2 out of 5 patents)

5.  Jose R Rodriguez (2 out of 5 patents)

6.  Pravin E Lokhande (2 out of 2 patents)

7.  Barry Bidinger (2 out of 3 patents)

8.  Jerry Draffkorn, Jr (2 out of 2 patents)

9.  Atul Saigal (2 out of 4 patents)

10.  Gerald A Draffkorn (2 out of 11 patents)

11.  Tek Lentine (1 out of 15 patents)

12.  Chung C Jung (1 out of 2 patents)

13.  Wayne Matthew Hansen (1 out of 19 patents)

14.  Marc Pullman (1 out of 1 patent)

15.  Joe Montgomery (1 out of 1 patent)


18 patents:

1. 10258152 - Foldable shelving unit with pivot block (2019-04-16),
2. D834921 - Corner bracket for mobile cart panels (2018-12-04),
3. 9694756 - Drop down ladder rack (2017-07-04),
4. D752373 - Storage cabinet cover (2016-03-29),
5. D742672 - Storage cabinet cover (2015-11-10),
6. D727667 - Storage cabinet with drawer (2015-04-28),
7. 8960814 - Lock system with spring-loaded latching mechanism (2015-02-24),
8. D719771 - Storage cabinet with drawer (2014-12-23),
9. 8917497 - Jobsite storage cabinet for housing electronic equipment (2014-12-23),
10. 8601838 - Locking mechanism (2013-12-10),
11. 8162190 - Ergonomic lift mechanism for a truck box (2012-04-24),
12. 8157312 - Universal modular storage for a vehicle (2012-04-17),
13. D656353 - Shelving unit (2012-03-27),
14. 8096152 - Locking system for a storage container (2012-01-17),
15. D647731 - Shelving unit (2011-11-01),
Knaack LLC is a leading manufacturer of jobsite storage equipment, including storage accessories and security solutions for construction professionals and contractors. With a legacy of over 50 years, Knaack's products are known for their durability, reliability, and innovation in the industry.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 30 2025

18 Patents

#9 in Crystal Lake, IL

#878 in Illinois

#17,417 in US

#33,187 in the World

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Crystal Lake, IL, United States of America

Knaack LLC

Forward Citations = 211

30 inventors:

goldMedal Robert A Bergum (10 out of 13 patents)

silverMedal Jeff Kotz (3 out of 3 patents)

bronzeMedal Snehal Madhavrao Wagh (3 out of 3 patents)

4.  Ajay Utpat (2 out of 5 patents)

5.  Jose R Rodriguez (2 out of 5 patents)

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