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USPTO Patent Rankings Data through Dec 31, 2025
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Filt Air — 5 Patents

Rank (All Time): #93,988 of 105,732Top 90%
3 inventors
5 Patents All Time

Patents per Year

Patents granted per year, 2005 to 2021Bar chart with a peak of 1 patents in 2005.peak 12005: 1 patents20052012: 1 patents20122015: 1 patents20152017: 1 patents20172021: 1 patents2021

Top Inventors at Filt Air All Time

Showing 1–3 of 3 inventors

RankNamePatents
1 Yefim Riskin 3
2 Siegfried Seibold 2
3 Karl-Hans Fuchs 1

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