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

Railpower Technologies

Rank (All Time): #38,568 of 106,127Top 40%
11 inventors
15 Patents All Time

Top Inventors at Railpower Technologies All Time

Showing 1–11 of 11 inventors

RankNamePatents
1 John D. Watson 6
2 David H. Swan 3
2 Andrew Tarnow 3
#4 Brian Gulayets Iwan 2
#5 Brian Ward Gulayets 1
#5 Bruce Wolff 1
#5 Douglas W. Swartz 1
#5 Frank Wegner-Donnelly 1
#5 Gerard Henry Koldyk 1
#5 Raymond Cousineau 1
#5 Serge Mai 1