For the Inventor, By the Inventor

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White Bear Lake, MN, United States of America

Fluid Measurement Technologies, Inc.

USPTO Granted Patents = 3

Forward Citations = 8

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6 inventors (with patents filed for the assignee):

Derek Oberreit (3 out of 11 patents)

David Blackford (3 out of 8 patents)

Frederick R Quant (2 out of 11 patents)

4. Gary Van Schooneveld (1 out of 2 patents)

5. Mark R Litchy (1 out of 9 patents)

6. Donald Clarke Grant (1 out of 13 patents)

3 patents: Sort by Forward Citations

1. 9958371 - Colloid size distribution measurement technology (2018-05-01),

2. 7852465 - System for measuring liquid flow rates (2010-12-14),

3. 7777868 - System for measuring non-volatile residue in ultra pure water (2010-08-17),

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USPTO Data Jan 1 1976 - Sep 29 2026

3 Patents

#21 in White Bear Lake, MN

#1,979 in Minnesota

#73,766 in US

White Bear Lake, MN, United States of America

Fluid Measurement Technologies, Inc.

Forward Citations = 8

6 inventors:

Derek Oberreit (3 out of 11 patents)

David Blackford (3 out of 8 patents)

Frederick R Quant (2 out of 11 patents)

4. Gary Van Schooneveld (1 out of 2 patents)

5. Mark R Litchy (1 out of 9 patents)

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