Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Nortru — 8 Patents

Rank (All Time): #68,203 of 106,120Top 65%
8 inventors
8 Patents All Time

Top Inventors at Nortru All Time

Showing 1–8 of 8 inventors

RankNamePatents
1 Norman Foster 6
2 Edwin C. Zuerner 5
3 Robert R. Patzelt 3
#4 Robert A. Patzelt 2
#4 Thomas Randazzo 2
#6 Robert R. Petzeit 1
#6 Robert R. Ratzelt 1
#6 Donald Sims 1