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For the Inventor, By the Inventor

Garner, NC, United States of America

Sigma Electric Manufacturing Corporation


USPTO Granted Patents = 17

% Expired Patents = 5.9


Trademarks = 11

Forward Citations = 168

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29 inventors (with patents filed for the assignee):

goldMedal Vinayak Manohar Chavan (8 out of 12 patents)

silverMedal Ashok Alilughatta Sathyanarayana (8 out of 9 patents)

bronzeMedal Anand Chandrakant Dhotre (3 out of 3 patents)

4.  Yuvraj Totaram Khodape (3 out of 4 patents)

5.  Santosh Ganpat Shinde (2 out of 2 patents)

6.  Robert Kenneth Sheehan (2 out of 16 patents)

7.  Robert Alan Krosky (2 out of 2 patents)

8.  Ashok Alilughatta Sathanarayana (2 out of 2 patents)

9.  Ashwin Mrityunjayagoud Patil (1 out of 3 patents)

10.  Shriram Ramesh Divekar (1 out of 3 patents)

11.  Lokesh Kumar Sahu (1 out of 1 patent)

12.  Chandrakanthrao Gireeshrao (1 out of 1 patent)

13.  Vishal Krishnarao Patil (1 out of 1 patent)

14.  Chanddrakanthra Gireeshrao (1 out of 1 patent)

15.  Jeffrey Kane (1 out of 2 patents)


17 patents:

1. 11569645 - While-in-use cover assembly for wire box (2023-01-31),
2. 11015751 - Toolless flexible conduit connector and method of using the same (2021-05-25),
3. RE47893 - Conduit connector and methods for making and using the same (2020-03-02),
4. 10547164 - Connectors and methods for making and using the same (2020-01-28),
5. 10527267 - Restricted swivel knuckle design to avoid twisting of wires (2020-01-07),
6. 9960524 - Slim line while in use cover and methods for making and using the same (2018-05-01),
7. 9437959 - Slim line while in use cover and methods for making and using the same (2016-09-06),
8. 9281671 - Cast one-piece outlet box (2016-03-08),
9. 9263868 - Integral box (2016-02-16),
10. 8901441 - Conduit connector and methods for making and using the same (2014-12-02),
11. 8857039 - Electrical box conduit connectors and methods for making and using the same (2014-10-14),
12. 8803008 - Conduit connector and methods for making and using the same (2014-08-12),
13. 8445778 - Cable entry device for wiring boxes (2013-05-21),
14. 8129634 - Conduit connector (2012-03-06),
15. D641904 - Outdoor light unit (2011-07-19),
Company Overview
Sigma Electric Manufacturing Corporation specializes in the design and production of electrical enclosures and components. With a focus on delivering high-quality solutions, the company serves various industries, including construction, telecommunications, and renewable energy. Headquartered in Garner, North Carolina, Sigma Electric leverages advanced manufacturing techniques and a commitment to innovation to meet the evolving needs of its clients, ensuring reliability and efficiency in electrical infrastructure.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 13 2026

17 Patents

#2 in Garner, NC

#417 in North Carolina

#18,894 in US

#35,918 in the World

Garner, NC (US)
Garner, NC, United States of America

Sigma Electric Manufacturing Corporation

Forward Citations = 168

29 inventors:

goldMedal Vinayak Manohar Chavan (8 out of 12 patents)

silverMedal Ashok Alilughatta Sathyanarayana (8 out of 9 patents)

bronzeMedal Anand Chandrakant Dhotre (3 out of 3 patents)

4.  Yuvraj Totaram Khodape (3 out of 4 patents)

5.  Santosh Ganpat Shinde (2 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Sigma Electric Manufacturing Corporation. Retrieved from https://idiyas.com/company/sigma-electric-manufacturing

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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