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, based in Crystal Lake, Illinois, specializes in the design and manufacturing of high-quality job site storage solutions. The company is renowned for its durable and secure storage products, including toolboxes and job site containers, catering primarily to the construction and industrial sectors. Knaack focuses on innovation in materials and design to enhance the efficiency and safety of job sites, ensuring that tools and equipment are well-protected and easily accessible for professionals across various trades.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

18 Patents

#8 in Crystal Lake, IL

#915 in Illinois

#17,933 in US

#34,146 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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