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For the Inventor, By the Inventor

Farmington Hills, MI, United States of America

Ekstrom Industries, Inc.

USPTO Granted Patents = 63

% Expired Patents = 28.6


Trademarks = 6

Forward Citations = 1,280

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23 inventors (with patents filed for the assignee):

goldMedal Darrell A Robinson (58 out of 61 patents)

silverMedal Allen V Pruehs (34 out of 38 patents)

bronzeMedal Karl R Loehr (13 out of 13 patents)

4.  Robert O Learmont (11 out of 11 patents)

5.  Robert Goozen (7 out of 7 patents)

6.  Michael E Lewis (6 out of 7 patents)

7.  John T Shincovich (5 out of 7 patents)

8.  Albert K Langdon (3 out of 4 patents)

9.  Jeffrey John Hanft (2 out of 6 patents)

10.  John Williams (2 out of 2 patents)

11.  Gregory L Zook (1 out of 2 patents)

12.  Jan K Michalek (1 out of 15 patents)

13.  Allen V Preuhs (1 out of 1 patent)

14.  Christophor D Napier (1 out of 1 patent)

15.  Robert Groozen (1 out of 1 patent)


Core Competencies:
Tamper Detection
Watthour Meter
Socket Adapter
Electrical Service
Safety Shield
Circuit Breaker
Remote Meter Reading
Electrical Connections
Service Disconnect
Modular Design
Energy Monitoring
Electrical Enclosure

63 patents:

1. 8149119 - Utility meter tamper monitoring system and method (2012-04-03),
2. 8149114 - Utility meter tamper monitoring system and method (2012-04-03),
3. 8002578 - Watthour meter socket lock adapter (2011-08-23),
4. D642536 - Electrical service socket adapter housing (2011-08-02),
5. 7650767 - Lock ring for a watthour meter application (2010-01-26),
6. 7458846 - Electrical power service apparatus with external circuit breaker rocker switch reset (2008-12-02),
7. 7315442 - Secure electrical service entrance power access (2008-01-01),
8. 7232335 - K-series watthour meter socket adapter (2007-06-19),
9. 7189109 - Modular watthour meter socket and test switch (2007-03-13),
10. 7153157 - Terminal block jumper (2006-12-26),
11. 6975504 - Overall watthour metter enclosure safety replacement window (2005-12-13),
12. 6846199 - Watthour meter socket adapter (2005-01-25),
13. 6844825 - Electric energy service apparatus with tamper detection (2005-01-18),
14. 6823563 - Removably attachable cover handles for electric power watthour meter (2004-11-30),
15. 6766698 - Meter socket jaw tester apparatus and test method (2004-07-27),
Company Overview
Ekstrom Industries, Inc., based in Farmington Hills, MI, specializes in utility meter technology, focusing on innovative solutions for electrical service management. The company develops advanced tamper detection systems and watthour meters, enhancing the reliability and safety of electrical connections. Their product offerings include socket adapters, safety shields, and circuit breakers, as well as remote meter reading technologies that streamline utility operations. Ekstrom Industries is committed to improving energy management through cutting-edge technology.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

63 Patents

#4 in Farmington Hills, MI

#230 in Michigan

#5,767 in US

#11,640 in the World

Farmington Hills, MI (US)
Farmington Hills, MI, United States of America

Ekstrom Industries, Inc.

Forward Citations = 1,280

23 inventors:

goldMedal Darrell A Robinson (58 out of 61 patents)

silverMedal Allen V Pruehs (34 out of 38 patents)

bronzeMedal Karl R Loehr (13 out of 13 patents)

4.  Robert O Learmont (11 out of 11 patents)

5.  Robert Goozen (7 out of 7 patents)

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