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For the Inventor, By the Inventor

Fort Wayne, IN, United States of America

Essex Group, Inc.


USPTO Granted Patents = 225


Trademarks = 35

Forward Citations = 2,722

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163 inventors (with patents filed for the assignee):

goldMedal Francois A Lavallee (15 out of 15 patents)

silverMedal Randall C Graham (12 out of 12 patents)

bronzeMedal Ralph A Vogel (10 out of 12 patents)

4.  Lionel J Payette (10 out of 16 patents)

5.  Charles W McGregor (9 out of 12 patents)

6.  Hollis S Saunders (8 out of 11 patents)

7.  Christopher Pali (8 out of 8 patents)

8.  Mohammad F Zaman (8 out of 8 patents)

9.  Dennis J Sklarski (8 out of 8 patents)

10.  Allan R Knerr (7 out of 16 patents)

11.  Louis G Ditton (7 out of 7 patents)

12.  Richard V Carmer (7 out of 10 patents)

13.  Arthur F Doyle (7 out of 7 patents)

14.  Jesse H Turner (6 out of 7 patents)

15.  Paul E Justus (6 out of 6 patents)


Core Competencies:
Magnet Wire
Polyimide Insulation
Conformal Coatings
Winding Wire
Communication Cables
Heat Shrinkable Tubing
Fiber Optic Cables
Eddy Current Control
Mica Products
Hydrogen Cleaning
Ignition Wire
Wire Coating Apparatus

225 patents:

1. 10796820 - Magnet wire with corona resistant polyimide insulation (2020-10-06),
2. 10796814 - Insulated winding wire with conformal coatings (2020-10-06),
3. 10593442 - Winding wire articles having internal cavities (2020-03-17),
4. 10510464 - Continuously transposed conductors and assemblies (2019-12-17),
5. 10510459 - Insulated winding wire articles having conformal coatings (2019-12-17),
6. 10366805 - Insulated winding wire articles having conformal coatings (2019-07-30),
7. 10199138 - Insulated winding wire (2019-02-05),
8. 9773583 - Continously transposed conductor (2017-09-26),
9. 9543058 - Insulated winding wire (2017-01-10),
10. 9324476 - Insulated winding wire (2016-04-26),
11. 9275776 - Shielding elements for use in communication cables (2016-03-01),
12. 9251930 - Segmented shields for use in communication cables (2016-02-02),
13. 9028908 - Method for applying fluid to wire (2015-05-12),
14. 8573018 - System for manufacturing wire (2013-11-05),
15. 7039281 - Buffer tubes for fiber optic cables (2006-05-02),
Company Overview
Essex Group, Inc., headquartered in Fort Wayne, Indiana, specializes in magnet wire technology, providing innovative solutions for various electrical applications. The company focuses on the development and manufacturing of high-performance magnet wire, polyimide insulation, and conformal coatings, catering to industries that require reliable and efficient electrical components. Essex Group also offers products such as winding wire, communication cables, heat shrinkable tubing, and fiber optic cables, emphasizing quality and advanced technology in its offerings.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 13 2026

Essex Group, Inc. USPTO Patent Assignee Logo
225 Patents

#1 in Fort Wayne, IN

#32 in Indiana

#1,859 in US

#3,798 in the World

Fort Wayne, IN (US)
Fort Wayne, IN, United States of America

Essex Group, Inc.

Forward Citations = 2,722

163 inventors:

goldMedal Francois A Lavallee (15 out of 15 patents)

silverMedal Randall C Graham (12 out of 12 patents)

bronzeMedal Ralph A Vogel (10 out of 12 patents)

4.  Lionel J Payette (10 out of 16 patents)

5.  Charles W McGregor (9 out of 12 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Essex Group, Inc.. Retrieved from https://idiyas.com/company/essex-group

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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