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USPTO Patent Rankings Data through Sept 30, 2025
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Steve C. Barth — 1 Patent

FIFiltertek: 1 patents #20 of 36Top 60%
McHenry, IL: #211 of 350 inventorsTop 65%
Illinois: #48,934 of 84,256 inventorsTop 60%
Overall (All Time): #3,581,097 of 4,157,543Top 90%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6228069 Needleless access device Ralph L. Davis 2001-05-08