For the Inventor, By the Inventor

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Rolling Meadows, IL, United States of America

Charles Industries, Inc.

USPTO Granted Patents = 22

% Expired Patents = 18.2

Trademarks = 3

Forward Citations = 400

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38 inventors (with patents filed for the assignee):

Walter Timothy Harwood (10 out of 20 patents)

Joseph T Charles (6 out of 6 patents)

Avinash K Vaidya (4 out of 16 patents)

4. Eduardo Leon (3 out of 3 patents)

5. David A Wittmeier (2 out of 2 patents)

6. Jeffrey A Plesniak (2 out of 2 patents)

7. Carney P Claunch, Ii (2 out of 2 patents)

8. Jay T Biondo (2 out of 2 patents)

9. Mark S Ziermann (2 out of 6 patents)

10. Gerald A Greco (2 out of 9 patents)

11. Juan Ramon Uribe (2 out of 2 patents)

12. Patrick I Lazar (2 out of 2 patents)

13. Louis Poirier (2 out of 2 patents)

14. Dean Anthony Kostan (2 out of 2 patents)

15. Yamel Torres (2 out of 2 patents)

22 patents: Sort by Forward Citations

1. 7418183 - Fiber optic splice enclosure (2008-08-26),

2. 7351909 - Multilayered housing for electronics enclosures (2008-04-01),

3. 7274850 - Fiber optic splice enclosure (2007-09-25),

4. 7193151 - Electronic enclosure (2007-03-20),

5. 7038127 - Universal mounting arrangement for components of an electronic enclosure (2006-05-02),

6. 7031158 - Heat pipe cooled electronics enclosure (2006-04-18),

7. 6916985 - Locking system for an electronic enclosure (2005-07-12),

8. 6683950 - Cover for a remote terminal (2004-01-27),

9. 6658109 - Method and apparatus for supplying power to a twisted pair wire on a telecommunications modem transmission link (2003-12-02),

10. 6452966 - Digital signal carrier detector (2002-09-17),

11. 6445787 - Multi-drop digital telephone loop (2002-09-03),

12. 6396911 - Method and apparatus for efficient improved data transmissions on telephone links between service providers and remote clients (2002-05-28),

13. 6396910 - Method and apparatus for improved data transmissions on telephone links between service providers and remote clients (2002-05-28),

14. 6281454 - Switchable load coil case (2001-08-28),

15. 5929402 - Switchable load coil case including multiple circuit rotary switch (1999-07-27),

Company Overview

Charles Industries, Inc. is a prominent manufacturer specializing in telecommunications and broadband solutions. The company develops a range of products including enclosures, cabinets, and network infrastructure components that support the deployment of advanced communication networks. With a focus on innovation, Charles Industries serves various sectors, enhancing connectivity and operational efficiency. Headquartered in Rolling Meadows, Illinois, the company is well-positioned to address the evolving needs of the telecommunications industry.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

22 Patents

#10 in Rolling Meadows, IL

#780 in Illinois

#15,051 in US

#28,807 in the World

Rolling Meadows, IL, United States of America

Charles Industries, Inc.

Forward Citations = 400

38 inventors:

Walter Timothy Harwood (10 out of 20 patents)

Joseph T Charles (6 out of 6 patents)

Avinash K Vaidya (4 out of 16 patents)

4. Eduardo Leon (3 out of 3 patents)

5. David A Wittmeier (2 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Charles Industries, Inc.. Retrieved from https://idiyas.com/company/charles-industries

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]

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