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USPTO Patent Rankings Data through Dec 31, 2025
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Oberlin Filter — 2 Patents in 2021

Rank (2021): #15,028 of 31,506Top 50%
4 inventors
2 Patents 2021

Top Inventors at Oberlin Filter 2021

Showing 1–4 of 4 inventors

RankNamePatents
1 Jeffrey D. Koepnick 1
1 Eric J. Evraets 1
1 James Steffl 1
1 Brian R. Pfau 1