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For the Inventor, By the Inventor

Watertown, CT, United States of America

The Siemon Company


USPTO Granted Patents = 223

% Expired Patents = 8.1



Trademarks = 13

Forward Citations = 5,692

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108 inventors (with patents filed for the assignee):

goldMedal John A Siemon (82 out of 82 patents)

silverMedal Randy J Below (30 out of 31 patents)

bronzeMedal Mark Viklund (27 out of 38 patents)

4.  Robert H Knickerbocker (26 out of 28 patents)

5.  Denny Lo (24 out of 56 patents)

6.  Robert C Carlson, Jr (24 out of 24 patents)

7.  Maxwell K Yip (22 out of 23 patents)

8.  Howard Reynolds (12 out of 15 patents)

9.  Scott Nagel (10 out of 10 patents)

10.  Stephen M Thomas (10 out of 10 patents)

11.  Randall J Below (10 out of 10 patents)

12.  Karl-Heinz Pohl (10 out of 10 patents)

13.  Brian Celella (9 out of 9 patents)

14.  Conrad L Ott (9 out of 9 patents)

15.  Brian E Reed (9 out of 9 patents)


Core Competencies:
Telecommunications
Connectors
Fiber Optic
Patch Panels
Modular Plugs
Crosstalk Compensation
Termination Tools
Rack Mountable
Enhanced Performance
Industrial Connectors
Cable Management
Optical Fiber

223 patents:

1. 12529860 - Breakout cable assembly (2026-01-20),
2. 12164156 - Latch for telecommunications module (2024-12-10),
3. D954655 - Joiner for conduit for routing cable (2022-06-14),
4. 10228516 - Fiber optic connector with polarity change (2019-03-12),
5. 10073225 - Telecommunications connector mounting clip (2018-09-11),
6. 9995888 - Optical fiber termination tool (2018-06-12),
7. 9985359 - Field terminable telecommunications connector (2018-05-29),
8. 9684130 - Fiber optic connector with polarity change (2017-06-20),
9. 9372318 - Rack mountable optical fiber enclosure (2016-06-21),
10. 8267714 - Modular connector with reduced termination variability and improved performance (2012-09-18),
11. 8176764 - Termination tool (2012-05-15),
12. 8162692 - Telecommunication connectors and apparatus for mounting the same (2012-04-24),
13. 8157582 - Telecommunications patch panel (2012-04-17),
14. 8153893 - Vertical patching system (2012-04-10),
15. 7980899 - Modular connector with reduced termination variability (2011-07-19),
Company Overview
The Siemon Company, headquartered in Watertown, Connecticut, specializes in the design and manufacture of high-performance telecommunications connectors and related products. With a focus on advancing connectivity solutions, Siemon offers a comprehensive range of technologies including fiber optic systems, patch panels, modular plugs, and termination tools. The company is dedicated to enhancing network performance through innovative designs that minimize crosstalk and support efficient data transmission, catering to the evolving needs of the telecommunications industry.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

The Siemon Company USPTO Patent Assignee Logo
223 Patents

#1 in Watertown, CT

#50 in Connecticut

#1,879 in US

#3,835 in the World

Watertown, CT (US)
Watertown, CT, United States of America

The Siemon Company

Forward Citations = 5,692

108 inventors:

goldMedal John A Siemon (82 out of 82 patents)

silverMedal Randy J Below (30 out of 31 patents)

bronzeMedal Mark Viklund (27 out of 38 patents)

4.  Robert H Knickerbocker (26 out of 28 patents)

5.  Denny Lo (24 out of 56 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: The Siemon Company. Retrieved from https://idiyas.com/company/siemon-company

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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