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USPTO Patent Rankings Data through Sept 30, 2025
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David R. Bowen — 3 Patents in 2024

PAPacesetter: 3 patents #25 of 153Top 20%
Taylors, SC: #2 of 18 inventorsTop 15%
South Carolina: #119 of 1,650 inventorsTop 8%
Overall (2024): #90,145 of 561,600Top 20%
3 Patents 2024

Issued Patents 2024

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
12106907 Electrically insulating continuous film for an aluminum electrolytic capacitor J. Brian Smith, Ralph Jason Hemphill, Thomas F. Strange 2024-10-01
12033807 Laser drilling of metal foils for assembly in an electrolytic capacitor Ralph Jason Hemphill, Kurt J. Erickson, Peter Fernstrom 2024-07-09
11901134 Formation of conduits in porous capacitor electrodes Ralph Jason Hemphill, Thomas F. Strange, Xiaofei Jiang 2024-02-13