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Shoreview, MN, United States of America

Tsi, Inc.

USPTO Granted Patents = 108

EPO Patents = 16

Trademarks = 63

Forward Citations = 1,718

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130 inventors (with patents filed for the assignee):

Stanley L Kaufman (13 out of 13 patents)

Robert Caldow (11 out of 11 patents)

Hee-Siew Han (11 out of 11 patents)

4. Richard Remiarz (9 out of 9 patents)

5. Frederick R Quant (9 out of 11 patents)

6. Frank D Dorman (8 out of 26 patents)

7. Jason Paul Johnson (7 out of 16 patents)

8. Kenneth Farmer (6 out of 19 patents)

9. Kenneth Rudolph Farmer, Ii (5 out of 7 patents)

10. Amir A Naqwi (5 out of 6 patents)

11. Leslie M Jenson (5 out of 6 patents)

12. Peter P Hairston (5 out of 5 patents)

13. Jugal K Agarwal (5 out of 6 patents)

14. Susanne Vera Hering (4 out of 29 patents)

15. Gregory Stephen Lewis (4 out of 25 patents)

Core Competencies:

Condensation Particle Counter

Aerosol Detection

Particle Monitoring

Optical Chambers

Microwave Moisture Meter

Laser Induced Breakdown Spectroscopy

Wearable Mask Fit Monitor

Electromagnetic Seed Sensor

Differential Pressure Controller

High-Temperature Sensors

Flow Measurement Devices

Biocontaminant Detection

108 patents: Sort by Forward Citations

1. 12514151 - Photoelectric sensor for seed dispensing system (2026-01-06),

2. 12253452 - High-temperature condensation particle counter (2025-03-18),

3. 12022765 - Photoelectric sensor for seed dispensing system (2024-07-02),

4. 11994885 - Differential pressure liquid flow controller (2024-05-28),

5. 11933708 - Aerosol-based liquid particle detection measurement (2024-03-19),

6. 11921075 - Wick fluid system (2024-03-05),

7. 11879824 - Reducing false counts in condensation particle counters (2024-01-23),

8. 11874179 - Air and gas flow velocity and temperature sensor probe (2024-01-16),

9. 11656236 - Mirror calibration of multiple flow-measurement devices (2023-05-23),

10. 11604131 - Particulate matter sensor and method therefor (2023-03-14),

11. 11604122 - Curtain flow design for optical chambers (2023-03-14),

12. 11519841 - Condensation particle counter efficiency compensation for altitude (2022-12-06),

13. 11486803 - Passive aerosol diluter mechanism (2022-11-01),

14. 11473951 - Flow direction sensor (2022-10-18),

15. 11435278 - High-temperature condensation particle counter (2022-09-06),

TSI, Inc. is a global leader in precision measurement instrumentation. With over 50 years of experience, TSI provides innovative solutions to a wide range of industries including healthcare, industrial hygiene, HVAC, and more. Their cutting-edge instruments and systems help customers improve safety, quality, and productivity in their operations. TSI's commitment to excellence and dedication to customer satisfaction has made them a trusted partner worldwide.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Jan 13 2026

108 Patents

#1 in Shoreview, MN

#84 in Minnesota

#3,410 in US

#7,084 in the World

Shoreview, MN, United States of America

Tsi, Inc.

Forward Citations = 1,718

130 inventors:

Stanley L Kaufman (13 out of 13 patents)

Robert Caldow (11 out of 11 patents)

Hee-Siew Han (11 out of 11 patents)

4. Richard Remiarz (9 out of 9 patents)

5. Frederick R Quant (9 out of 11 patents)

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