Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Extraction Systems — 15 Patents

Rank (All Time): #38,688 of 106,120Top 40%
9 inventors
15 Patents All Time

Top Inventors at Extraction Systems All Time

Showing 1–9 of 9 inventors

RankNamePatents
1 Devon Kinkead 11
2 Oleg P. Kishkovich 10
3 William Goodwin 6
#4 Anatoly Grayfer 3
#5 David Ruede 2
#5 Michael A. Joffe 2
#5 Robert W. Rezuke 2
#8 Mark C. Phelps 1
#8 Devon Kinkhead 1