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For the Inventor, By the Inventor

Deerfield, IL, United States of America

Woodhead Industries, Inc.


USPTO Granted Patents = 65

% Expired Patents = 20.0



Trademarks = 24

Forward Citations = 959

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65 inventors (with patents filed for the assignee):

goldMedal Joseph F Murphy (11 out of 18 patents)

silverMedal Horacio A Baggio (10 out of 10 patents)

bronzeMedal Michael P Mackin (9 out of 17 patents)

4.  Warren S Graber (5 out of 15 patents)

5.  Maurice C Evans (5 out of 6 patents)

6.  Riccardo Comini (4 out of 4 patents)

7.  Nicolas D L Jones (4 out of 4 patents)

8.  Robert J Guss, Iii (4 out of 4 patents)

9.  Keith A Jozwik (3 out of 3 patents)

10.  Randall G Stone (3 out of 4 patents)

11.  Brian D Payson (3 out of 3 patents)

12.  Mark E Fillion (3 out of 4 patents)

13.  Yih-Chyuan Chiou (3 out of 3 patents)

14.  Simeon T Lee (3 out of 3 patents)

15.  George R Eckart (3 out of 5 patents)


Core Competencies:
Modular Power Tee
Push-Lock Connector
Harsh Duty Receptacle
Illuminated Connector
Electrical Wiring Device
Network Diagnostic System
Vibration Resistant
Industrial Molded Stringlight
Light Fixture
Field-Attachable Connector
Portable Fluorescent Lamp
Multi-Conductor Power Bar

65 patents:

1. 10637177 - Modular power tee distribution assembly (2020-04-28),
2. 9559459 - Push-lock electrical connector (2017-01-31),
3. 9219329 - Harsh duty receptacle connector (2015-12-22),
4. 9142914 - Push lock electrical connector (2015-09-22),
5. 8920184 - High strength electrical connector (2014-12-30),
6. 8667123 - Microcontroller network diagnostic system (2014-03-04),
7. 8371873 - Illuminated electrical connector (2013-02-12),
8. 8162509 - High intensity light fixture for use in hazardous locations (2012-04-24),
9. 7862366 - Electrical connector with locking clip (2011-01-04),
10. D622216 - Electrical connector with illumination (2010-08-24),
11. 7695302 - Electrical connector (2010-04-13),
12. 7395984 - Safety tether for hand tools (2008-07-08),
13. 7144129 - Light fixture with extruded metal housing (2006-12-05),
14. 7137876 - Adjustable head assembly for floor burnisher (2006-11-21),
15. 7134894 - Coaxial electrical connector for hazardous locations (2006-11-14),
Company Overview
Woodhead Industries, Inc., based in Deerfield, IL, specializes in the development and manufacturing of advanced electrical connectors. The company focuses on a range of innovative products including modular power tees, push-lock connectors, and harsh duty receptacles, catering to diverse industrial applications. Their expertise extends to illuminated connectors and electrical wiring devices, enhancing connectivity solutions in challenging environments. Woodhead also offers network diagnostic systems and vibration-resistant technologies, ensuring reliability and performance in demanding settings.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 13 2026

65 Patents

#8 in Deerfield, IL

#314 in Illinois

#5,611 in US

#11,332 in the World

Deerfield, IL (US)
Deerfield, IL, United States of America

Woodhead Industries, Inc.

Forward Citations = 959

65 inventors:

goldMedal Joseph F Murphy (11 out of 18 patents)

silverMedal Horacio A Baggio (10 out of 10 patents)

bronzeMedal Michael P Mackin (9 out of 17 patents)

4.  Warren S Graber (5 out of 15 patents)

5.  Maurice C Evans (5 out of 6 patents)

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