For the Inventor, By the Inventor

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Wilmington, DE, United States of America

Tollgrade Communications, Inc.

Calculating rank

USPTO Granted Patents = 38

% Expired Patents = 26.3

CIPO Patents = 2

EPO Patents = 4

Trademarks = 4

Forward Citations = 823

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37 inventors (with patents filed for the assignee):

Regis J Nero, Jr (13 out of 20 patents)

Jeffrey A Gibala (5 out of 8 patents)

Frederick J Kiko (5 out of 30 patents)

4. Gregory M Nulty (4 out of 8 patents)

5. Roger Faulkner (4 out of 9 patents)

6. Timothy J Vitanza (4 out of 4 patents)

7. Roderick Warner (4 out of 4 patents)

8. Matthew G Cimbala (4 out of 4 patents)

9. Muhammad A Afzal (4 out of 6 patents)

10. Rebecca Webb Ross (4 out of 9 patents)

11. Steven P Day (3 out of 3 patents)

12. Frank R Bauer (3 out of 6 patents)

13. Joseph S Rosen (3 out of 11 patents)

14. Muhammad Akbar Khan Afzal (3 out of 3 patents)

15. Larry Mortimer (3 out of 3 patents)

Core Competencies:

DSL Diagnostics

Telephony Testing

Remote Testing

Frequency Domain Tests

Power Distribution Monitoring

Coaxial Cable Testing

Digital Subscriber Line

Loop Insertion Loss

Bridged Tap Detection

Signal Processing Techniques

Telephone Line Qualification

Data Transmission

38 patents: Sort by Forward Citations

1. 9270813 - Pre-installation frequency domain premises wiring tests (2016-02-23),

2. 9069009 - Power line takeoff clamp assembly (2015-06-30),

3. 8948018 - Integrated ethernet over coaxial cable, STB, and physical layer test and monitoring (2015-02-03),

4. 8923139 - System and method for making far end measurements for DSL diagnostics (2014-12-30),

5. 8896291 - Power line takeoff clamp assembly (2014-11-25),

6. 8761350 - Home wiring test system with missing filter detection (2014-06-24),

7. 8536857 - Power line takeoff clamp assembly (2013-09-17),

8. 8401061 - Method and apparatus for remotely testing a digital subscriber line access multiplexer (2013-03-19),

9. 8065099 - Power distribution monitoring system and method (2011-11-22),

10. D640537 - Line clamp (2011-06-28),

11. D622583 - Line clamp (2010-08-31),

12. 7653180 - Method for assessing DSL capability of telephone lines (2010-01-26),

13. 7602885 - Automatic provisioning of a telephone line test system (2009-10-13),

14. 7567520 - Apparatus and method of remotely enabling a special mode of operation of an endpoint in a VoIP network (2009-07-28),

15. 7529348 - Method of performing insertion loss estimation (2009-05-05),

Company Overview

Tollgrade Communications, Inc. specializes in advanced telecommunications solutions, focusing on enhancing network performance and reliability. The company develops innovative technologies that support service providers in managing and optimizing their networks, particularly in the areas of monitoring and diagnostics. With a strong emphasis on research and development, Tollgrade aims to deliver cutting-edge solutions that address the evolving needs of the telecommunications industry, primarily serving clients in the United States and beyond.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Nov 3 2026

38 Patents

#127 in Wilmington, DE

#156 in Delaware

#9,043 in US

#17,876 in the World

Wilmington, DE, United States of America

Tollgrade Communications, Inc.

Forward Citations = 823

37 inventors:

Regis J Nero, Jr (13 out of 20 patents)

Jeffrey A Gibala (5 out of 8 patents)

Frederick J Kiko (5 out of 30 patents)

4. Gregory M Nulty (4 out of 8 patents)

5. Roger Faulkner (4 out of 9 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Tollgrade Communications, Inc.. Retrieved from https://idiyas.com/company/tollgrade-communications

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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