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USPTO Patent Rankings Data through Sept 30, 2025
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Brian Walker

WFWalker Filtration: 1 patents #1 of 3Top 35%
Washington, OK: #1 of 1 inventorsTop 100%
Overall (2016): #449,039 of 481,213Top 95%
1 Patents 2016

Issued Patents 2016

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9364783 Banked purification system Mark Reeves, Simon Wise 2016-06-14