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For the Inventor, By the Inventor

West Lebanon, NH, United States of America

Thermal Dynamics Corporation


USPTO Granted Patents = 138

% Expired Patents = 6.5



Trademarks = 11

Forward Citations = 3,893

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73 inventors (with patents filed for the assignee):

goldMedal Christopher John Conway (43 out of 56 patents)

silverMedal Darrin H MacKenzie (40 out of 46 patents)

bronzeMedal Kevin D Horner-Richardson (36 out of 43 patents)

4.  Roger W Hewett (29 out of 29 patents)

5.  Joseph P Jones (24 out of 25 patents)

6.  Kevin J Kinerson (19 out of 19 patents)

7.  Edward L Simonds (16 out of 22 patents)

8.  Mark Gugliotta (15 out of 15 patents)

9.  Fred A Rogers (11 out of 13 patents)

10.  Nakhleh A Hussary (10 out of 17 patents)

11.  Shiyu Chen (10 out of 10 patents)

12.  Jonathan Brasseur (9 out of 9 patents)

13.  Bruce O Hatch (9 out of 9 patents)

14.  Richard A Spaulding (8 out of 8 patents)

15.  Thierry Renault (7 out of 9 patents)


Core Competencies:
Plasma Arc Torch
Electrode
Gas Distributor
Cooling System
Welding Device
Hybrid Shield
Torch Handle
Tip Assembly
Vented Shield
Modular Design
Current Profiling
Consumables Cartridge

138 patents:

1. 10137520 - Initiation of welding arc by restricting output (2018-11-27),
2. 8933364 - High current electrode for a plasma arc torch (2015-01-13),
3. 8933363 - Method and apparatus for recycling shield gas in a plasma arc torch (2015-01-13),
4. 8680426 - High current electrode for a plasma arc torch (2014-03-25),
5. 8674256 - Hybrid shield device for a plasma arc torch (2014-03-18),
6. 8656577 - Method of manufacturing a high current electrode for a plasma arc torch (2014-02-25),
7. 8319142 - Contoured shield orifice for a plasma arc torch (2012-11-27),
8. D665833 - Welding device (2012-08-21),
9. 8222561 - Drag tip for a plasma cutting torch (2012-07-17),
10. 8168916 - Enhanced piercing through current profiling (2012-05-01),
11. 7935909 - Hybrid shield device for a plasma arc torch (2011-05-03),
12. 7905454 - Metal tube support bracket (2011-03-15),
13. 7737383 - Contoured shield orifice for a plasma arc torch (2010-06-15),
14. 7582844 - Torch handle gas control (2009-09-01),
15. 7429715 - Modular plasma arc torch (2008-09-30),
Company Overview
Thermal Dynamics Corporation, based in West Lebanon, NH, specializes in the development and manufacturing of advanced plasma arc torch technologies. The company focuses on key components such as electrodes, gas distributors, and cooling systems, which are integral to efficient welding devices. Their innovative solutions also encompass hybrid shields, torch handles, and tip assemblies, catering to a diverse range of industrial applications. With a commitment to quality and performance, Thermal Dynamics plays a significant role in enhancing welding processes across various sectors.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

Thermal Dynamics Corporation USPTO Patent Assignee Logo
138 Patents

#1 in West Lebanon, NH

#19 in New Hampshire

#2,820 in US

#5,868 in the World

West Lebanon, NH (US)
West Lebanon, NH, United States of America

Thermal Dynamics Corporation

Forward Citations = 3,893

73 inventors:

goldMedal Christopher John Conway (43 out of 56 patents)

silverMedal Darrin H MacKenzie (40 out of 46 patents)

bronzeMedal Kevin D Horner-Richardson (36 out of 43 patents)

4.  Roger W Hewett (29 out of 29 patents)

5.  Joseph P Jones (24 out of 25 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Thermal Dynamics Corporation. Retrieved from https://idiyas.com/company/thermal-dynamics

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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