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Yellow Springs, OH, United States of America

Ysi, Inc.

USPTO Granted Patents = 36

EPO Patents = 12

Trademarks = 31

Forward Citations = 1,402

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43 inventors (with patents filed for the assignee):

Donald R Moles (9 out of 9 patents)

Christopher John Palassis (6 out of 6 patents)

Kevin Riley Flanagan (6 out of 6 patents)

4. Ramon Cabrera (5 out of 5 patents)

5. Ronald Alan Metzger (3 out of 3 patents)

6. Zhivko Grozev (3 out of 3 patents)

7. Alexander Kovachev (3 out of 3 patents)

8. Daryl B Slocum (3 out of 11 patents)

9. John Sloat (3 out of 3 patents)

10. Martin Milanov (2 out of 2 patents)

11. Daniel J Wagenaar (2 out of 2 patents)

12. Michael T James (2 out of 4 patents)

13. Matthew J Hull (2 out of 2 patents)

14. Miguel Angel Rojo (2 out of 2 patents)

15. Jay M Johnson (2 out of 9 patents)

36 patents: Sort by Forward Citations

1. 12061149 - Swept frequency fluorometer (2024-08-13),

2. 11860096 - Extended solid angle turbidity sensor (2024-01-02),

3. 11656180 - Multi excitation-multi emission fluorometer for multiparameter water quality monitoring (2023-05-23),

4. 11604143 - Spatial gradient-based fluorometer (2023-03-14),

5. 11519858 - Induced crosstalk circuit for improved sensor linearity (2022-12-06),

6. 11073475 - Optical nitrate sensor for multiparameter water quality measurement (2021-07-27),

7. 10982984 - Technique to measure the distance between stations using DGPS/RTK GPS in the velocity area method (stationary) with an acoustic doppler current profiler (2021-04-20),

8. 10955341 - Optical nitrate sensor compensation algorithm for multiparameter water quality measurement (2021-03-23),

9. 10908000 - Antifouling accessory for field deployed sensors and instruments (2021-02-02),

10. 10823673 - Dual function fluorometer-absorbance sensor (2020-11-03),

11. 10436585 - Method for compensating for Venturi effects on pressure sensors in moving water (2019-10-08),

12. 9702736 - Housing and method of making same (2017-07-11),

13. 9200929 - Replaceable probe head (2015-12-01),

14. 9170132 - Replaceable probe head having an operational amplifier (2015-10-27),

15. 8780672 - Multi-frequency, multi-beam acoustic doppler system with concurrent processing (2014-07-15),

YSI, Inc. is a global leader in developing and manufacturing water quality monitoring and measurement instruments. With over 70 years of experience, YSI provides innovative solutions for environmental monitoring, wastewater treatment, and laboratory applications. Their state-of-the-art products include water quality sensors, handheld instruments, dataloggers, and software solutions. YSI's commitment to accuracy, reliability, and ease of use makes them a trusted choice for scientists, engineers, and professionals worldwide in managing and preserving water resources.

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

Company Badge

USPTO Data Jan 1 1976 - Jan 6 2026

36 Patents

#1 in Yellow Springs, OH

#382 in Ohio

#9,198 in US

#18,193 in the World

Yellow Springs, OH, United States of America

Ysi, Inc.

Forward Citations = 1,402

43 inventors:

Donald R Moles (9 out of 9 patents)

Christopher John Palassis (6 out of 6 patents)

Kevin Riley Flanagan (6 out of 6 patents)

4. Ramon Cabrera (5 out of 5 patents)

5. Ronald Alan Metzger (3 out of 3 patents)

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