% Expired Patents = 100.0

Forward Citations = 71

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4 inventors (with patents filed for the assignee):

David Sykes (1 out of 7 patents)

Paul R Gandolfi (1 out of 6 patents)

Frank S Brugner (1 out of 8 patents)

4. James E Riccio (1 out of 1 patent)

3 patents: Sort by Forward Citations

1. 8659857 - Leakage current detection and interruption circuit powered by leakage current (2014-02-25),

2. 8436602 - Voltage compensation circuit (2013-05-07),

3. 8134820 - Contactor control circuit (2012-03-13),

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

3 Patents

#72 in Clearwater, FL

#2,674 in Florida

#73,904 in US

Clearwater, FL, United States of America

Technology Reasearch Corporation

Forward Citations = 71

4 inventors:

David Sykes (1 out of 7 patents)

Paul R Gandolfi (1 out of 6 patents)

Frank S Brugner (1 out of 8 patents)

4. James E Riccio (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Technology Reasearch Corporation. Retrieved from https://idiyas.com/company/technology-reasearch

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]