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For the Inventor, By the Inventor

Clearwater, FL, United States of America

Technology Research Corporation

USPTO Granted Patents = 26

% Expired Patents = 38.5


Trademarks = 3

Forward Citations = 456

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20 inventors (with patents filed for the assignee):

goldMedal Raymond H Legatti (8 out of 10 patents)

silverMedal Frank S Brugner (6 out of 8 patents)

bronzeMedal Thomas S Williams (5 out of 5 patents)

4.  Aldo P Della Sera (4 out of 4 patents)

5.  Arnold Kravitz (4 out of 8 patents)

6.  Paul R Gandolfi (4 out of 6 patents)

7.  Hamze Moussa (2 out of 9 patents)

8.  Luis Acosta (2 out of 3 patents)

9.  Peter A Czerner (2 out of 3 patents)

10.  John D Phelps (2 out of 2 patents)

11.  David Sykes (1 out of 7 patents)

12.  Donald Oldham (1 out of 1 patent)

13.  Jon B Freeman (1 out of 1 patent)

14.  Raymond L Legatti (1 out of 1 patent)

15.  Encarnacion Rivera (1 out of 1 patent)


Core Competencies:
Renewable Energy
Electrical Safety
Leakage Detection
Circuit Interruption
Power Connector
Surge Suppressor
Arc Protection
Overheating Detection
Electrical Control
Ground Fault
Power Adapter
Interrupter Circuit

26 patents:

1. 10833629 - Interface for renewable energy system (2020-11-10),
2. 10193346 - Interface for renewable energy system (2019-01-29),
3. 9876360 - Interface for renewable energy system (2018-01-23),
4. 9564756 - Interface for renewable energy system (2017-02-07),
5. 9564719 - Elevated temperature detection and interrupter circuit for power cable (2017-02-07),
6. 9510394 - Enhanced safety for electrical appliances such as toasters (2016-11-29),
7. 9124087 - Arc suppression circuit (2015-09-01),
8. 8641443 - Electrical power connector with handle (2014-02-04),
9. 8325454 - Over heating detection and interrupter circuit (2012-12-04),
10. 8310800 - Fault detector for surge suppressor (2012-11-13),
11. 8128434 - Electrical adapter with fuse (2012-03-06),
12. 8064174 - Leakage current detection and interruption circuit with improved shield (2011-11-22),
13. 7751161 - Leakage current detection and interruption circuit (2010-07-06),
14. 7623329 - Leakage current detection and interruption circuit with improved shield (2009-11-24),
15. D601098 - Closure for electrical cord (2009-09-29),
Company Overview
Technology Research Corporation, based in Clearwater, Florida, specializes in the development and manufacturing of advanced technology solutions. The company focuses on innovative products in the fields of electrical safety, power management, and energy efficiency. With a commitment to research and development, it aims to enhance safety and performance across various applications, including industrial and consumer markets. The organization is dedicated to delivering high-quality solutions that meet the evolving needs of its clients.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

26 Patents

#8 in Clearwater, FL

#321 in Florida

#12,865 in US

#24,826 in the World

Clearwater, FL (US)
Clearwater, FL, United States of America

Technology Research Corporation

Forward Citations = 456

20 inventors:

goldMedal Raymond H Legatti (8 out of 10 patents)

silverMedal Frank S Brugner (6 out of 8 patents)

bronzeMedal Thomas S Williams (5 out of 5 patents)

4.  Aldo P Della Sera (4 out of 4 patents)

5.  Arnold Kravitz (4 out of 8 patents)

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

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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