Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
CA

Callwave

Rank (All Time): #17,232 of 106,127Top 20%
20 inventors
37 Patents All Time

Top Inventors at Callwave All Time

Showing 1–20 of 20 inventors

RankNamePatents
1 David S. Trandal 32
2 David J. Brahm 17
3 David F. Hofstatter 11
#4 Leland W. Kirchhoff 10
#4 Robert F. Smith 10
#6 Colin D. Kelley 7
#6 Robert A. Dolan 7
#8 David C. McClintock 3
#9 Bob F. Smith 2
#9 David Giannini 2
#9 Donnie Tognazzini 2
#9 John R. Day 2
#9 Robert J. Duva 2
#9 Scott Herriman 2
#15 Eric T. Johnson 1
#15 Garrett Mickle 1
#15 Ivan Johannessen 1
#15 Lee Kirchhoff 1
#15 Russell T. Williams 1
#15 Adrian Van Haaften 1