Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Norman Barta

NENephros: 3 patents #4 of 12Top 35%
Dover, NJ: #199 of 708 inventorsTop 30%
New Jersey: #19,416 of 69,400 inventorsTop 30%
Overall (All Time): #1,140,627 of 4,157,543Top 30%
4 Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
11285249 Devices, systems, and methods for even fluid dispersion through higher density media 2022-03-29
8557115 Dual stage ultrafilter devices in the form of portable filter devices, shower devices, and hydration Gregory R. Collins, James Summerton 2013-10-15
8343347 Dual stage ultrafilter devices in the form of portable filter devices, shower devices, and hydration packs Gregory R. Collins, James Summerton 2013-01-01
7534349 Dual stage ultrafilter devices in the form of portable filter devices, shower devices, and hydration packs Gregory R. Collins, James Summerton 2009-05-19