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For the Inventor, By the Inventor

Wheaton, IL, United States of America

Touchsensor Technologies, LLC


USPTO Granted Patents = 57

% Expired Patents = 12.3



Trademarks = 4

Forward Citations = 3,083

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38 inventors (with patents filed for the assignee):

goldMedal David W Caldwell (19 out of 43 patents)

silverMedal Donald Charles Mueller (9 out of 11 patents)

bronzeMedal Bahar N Wadia (8 out of 10 patents)

4.  James W Citta (7 out of 11 patents)

5.  Deron Stambaugh (6 out of 6 patents)

6.  Thomas M Schreiber (6 out of 6 patents)

7.  Roger D Burdi (5 out of 23 patents)

8.  David A Dzioba (5 out of 7 patents)

9.  Mark Robert Mathews (5 out of 11 patents)

10.  Bruce Lynn Reniger (5 out of 13 patents)

11.  Mark Burleson (4 out of 4 patents)

12.  Anthony Russo (4 out of 6 patents)

13.  Rick L Oppor (4 out of 4 patents)

14.  Timothy Edward Steenwyk (4 out of 4 patents)

15.  Anthony V Gioiosa (3 out of 5 patents)


Core Competencies:
Capacitive Sensors
Haptic Feedback
Fluid Level Sensing
User Interface
Touch Switches
Magnetic Encoder
Integrated Touch Sensor
Proximity Sensor
Display Technology
Intelligent Shelving
Control Systems
Electrical Circuit

57 patents:

1. 11561661 - Capacitive sensor filtering apparatus, method, and system (2023-01-24),
2. 11188181 - Capacitive sensor filtering apparatus, method, and system (2021-11-30),
3. 10691260 - Capacitive sensor filtering apparatus, method, and system (2020-06-23),
4. 10371555 - Capacitive continuous fluid level sensor (2019-08-06),
5. 10359887 - Capacitive sensor filtering apparatus, method, and system (2019-07-23),
6. 10269515 - Magnetic encoder knob with fixed center (2019-04-23),
7. 10013113 - Capacitive sensor filtering apparatus, method, and system (2018-07-03),
8. 9784757 - On-line fluid sensor (2017-10-10),
9. 9569054 - Capacitive sensor filtering apparatus, method, and system (2017-02-14),
10. 9490803 - User interface panel (2016-11-08),
11. 9441624 - Solid state fluid level sensor (2016-09-13),
12. 9430111 - Capacitive sensor filtering apparatus, method, and system (2016-08-30),
13. 9423413 - On-line fluid sensor (2016-08-23),
14. 9306561 - Touch switches and practical applications therefor (2016-04-05),
15. 9268356 - Modular knob system (2016-02-23),
Company Overview
Touchsensor Technologies, LLC, based in Wheaton, IL, specializes in the development and manufacturing of advanced touch sensor technology. The company focuses on a range of core technology topics including capacitive sensors, haptic feedback systems, and fluid level sensing solutions. Their innovations enhance user interfaces through touch switches and proximity sensors, catering to various industries that require intuitive and responsive interaction. Touchsensor Technologies is committed to advancing the capabilities of integrated touch sensors and magnetic encoders.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

57 Patents

#2 in Wheaton, IL

#346 in Illinois

#6,252 in US

#12,573 in the World

Wheaton, IL (US)
Wheaton, IL, United States of America

Touchsensor Technologies, LLC

Forward Citations = 3,083

38 inventors:

goldMedal David W Caldwell (19 out of 43 patents)

silverMedal Donald Charles Mueller (9 out of 11 patents)

bronzeMedal Bahar N Wadia (8 out of 10 patents)

4.  James W Citta (7 out of 11 patents)

5.  Deron Stambaugh (6 out of 6 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Touchsensor Technologies, LLC. Retrieved from https://idiyas.com/company/touchsensor-technologies

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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