For the Inventor, By the Inventor

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Crystal Lake, IL, United States of America

Knaack LLC

USPTO Granted Patents = 18

% Expired Patents = 5.6

CIPO Patents = 4

EPO Patents = 3

Trademarks = 30

Forward Citations = 225

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30 inventors (with patents filed for the assignee):

Robert A Bergum (10 out of 15 patents)

Jeff Kotz (3 out of 3 patents)

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 16 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: Sort by Forward Citations

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.

Company Badge

USPTO Data Jan 1 1976 - Sep 15 2026

18 Patents

#8 in Crystal Lake, IL

#914 in Illinois

#17,913 in US

#34,099 in the World

Crystal Lake, IL, United States of America

Knaack LLC

Forward Citations = 225

30 inventors:

Robert A Bergum (10 out of 15 patents)

Jeff Kotz (3 out of 3 patents)

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)

Please report any incorrect information to [email protected]

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