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For the Inventor, By the Inventor

Mansfield, OH, United States of America

Therm-o-disc, Incorporated


USPTO Granted Patents = 182



Trademarks = 9

Forward Citations = 1,664

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133 inventors (with patents filed for the assignee):

goldMedal Prasad S Khadkikar (13 out of 21 patents)

silverMedal Donald E Place (12 out of 13 patents)

bronzeMedal Jeffrey A West (11 out of 12 patents)

4.  Bernd D Zimmermann (11 out of 14 patents)

5.  Edward John Blok (11 out of 87 patents)

6.  James B Kalapodis (11 out of 12 patents)

7.  James A Tennant (10 out of 12 patents)

8.  William F Quinn (10 out of 11 patents)

9.  Tung-Sheng Yang (9 out of 10 patents)

10.  Donald J Schmitt (9 out of 9 patents)

11.  Richard E Welch (8 out of 11 patents)

12.  Derek J Rose (7 out of 7 patents)

13.  Ronald L Holden (7 out of 7 patents)

14.  Praveen C Ramamurthy (6 out of 6 patents)

15.  David Reynolds (6 out of 6 patents)


Core Competencies:
Thermal Cut-Off Device
Sensor Assembly
Temperature Sensor
Fluid Flow Rate Sensor
Vapor Sensor
Capacitive Liquid Level Sensor
Robust Gas Sensor
High Temperature Material Compositions
Electric Water Heater Control
Bimetal Snap Disc Thermostat
Conductive Polymer Compositions
Thermistor Sensor Probe

182 patents:

1. 12368013 - Thermal cut-off device for high power applications (2025-07-22),
2. 12276575 - Sensor assembly and refrigerant sensing system (2025-04-14),
3. 12241810 - Sensor assembly (2025-03-04),
4. 12130165 - Capacitive liquid level sensor (2024-10-29),
5. 12104809 - Robust gas sensor for harsh environments (2024-10-01),
6. 12085458 - Temperature sensor probe (2024-09-10),
7. D1031467 - Dual probe sensor (2024-06-18),
8. D1030526 - Single probe sensor (2024-06-11),
9. 11047753 - Pressure sensor assembly and method for manufacturing a pressure sensor assembly (2021-06-29),
10. 10249460 - High thermal stability thermal cutoff device pellet composition (2019-04-02),
11. 10041818 - Wireless temperature and/or humidity sensor assembly (2018-08-07),
12. 9779901 - High temperature material compositions for high temperature thermal cutoff devices (2017-10-03),
13. 9378910 - Thermal cut-off device (2016-06-28),
14. 9171654 - High thermal stability pellet compositions for thermal cutoff devices and methods for making and use thereof (2015-10-27),
15. 8961832 - High temperature material compositions for high temperature thermal cutoff devices (2015-02-24),
Therm-O-Disc, Incorporated is a leading provider of temperature sensors and controls for various industries. With over 70 years of experience, we specialize in designing and manufacturing innovative solutions that ensure safety, efficiency, and performance. Our extensive product range includes thermostats, thermal cutoffs, pressure sensors, thermistors, and more. We strive to deliver reliable and accurate temperature control solutions while maintaining the highest quality standards. Visit our website for more information about our products and services.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 30 2025

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182 Patents

#1 in Mansfield, OH

#94 in Ohio

#2,150 in US

#4,453 in the World

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Mansfield, OH, United States of America

Therm-o-disc, Incorporated

Forward Citations = 1,664

133 inventors:

goldMedal Prasad S Khadkikar (13 out of 21 patents)

silverMedal Donald E Place (12 out of 13 patents)

bronzeMedal Jeffrey A West (11 out of 12 patents)

4.  Bernd D Zimmermann (11 out of 14 patents)

5.  Edward John Blok (11 out of 87 patents)

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