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USPTO Patent Rankings Data through Dec 31, 2025
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Craig E. Evans — 9 Patents in 2022

ETEss Tech: 8 patents #2 of 7Top 30%
West Linn, OR: #1 of 59 inventorsTop 2%
Oregon: #190 of 4,240 inventorsTop 5%
Overall (2022): #10,709 of 548,613Top 2%
9 Patents 2022

Issued Patents 2022

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11527771 Method and system for rebalancing electrolytes in a redox flow battery system Yang Song 2022-12-13 $8,475,000
11502321 Redox flow battery and battery system Sean Casey, Thiago Groberg, Yang Song 2022-11-15 $12,516,000
11462764 Double-stack redox flow battery Sean Casey 2022-10-04 $26,074,000
11424470 Cost-efficient high energy density redox flow battery Yang Song 2022-08-23 $23,786,000
11374236 Alternative low cost electrodes for hybrid flow batteries Sean Casey, Yang Song 2022-06-28 $17,991,000
11296347 Flow battery cleansing cycle to maintain electrolyte health and system performance Yang Song 2022-04-05 $31,881,000
11264631 Methods and system for manufacturing a redox flow battery system by roll-to-roll processing 2022-03-01 $26,875,000
11240963 Bag bracket 2022-02-08
11233299 Internally manifolded flow cell for an all-iron hybrid flow battery Yang Song 2022-01-25 $14,746,000