For the Inventor, By the Inventor

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Roselle, IL, United States of America

Aquion, Inc.

USPTO Granted Patents = 3

Trademarks = 13

Forward Citations = 25

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5 inventors (with patents filed for the assignee):

James J Downs (2 out of 2 patents)

Andrew J Kajpust (1 out of 5 patents)

Daryl D Sielaff (1 out of 1 patent)

4. Gary F Prokop (1 out of 52 patents)

5. John H Kargenian (1 out of 2 patents)

3 patents: Sort by Forward Citations

1. 9783433 - Water treatment valve control system with rotary position sensor (2017-10-10),

2. D754613 - Controller (2016-04-26),

3. 7991490 - Control unit for utility treatment systems (2011-08-02),

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USPTO Data Jan 1 1976 - Sep 15 2026

3 Patents

#6 in Roselle, IL

#3,442 in Illinois

#73,706 in US

Roselle, IL, United States of America

Aquion, Inc.

Forward Citations = 25

5 inventors:

James J Downs (2 out of 2 patents)

Andrew J Kajpust (1 out of 5 patents)

Daryl D Sielaff (1 out of 1 patent)

4. Gary F Prokop (1 out of 52 patents)

5. John H Kargenian (1 out of 2 patents)

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