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

Ab Ferrosan

Rank (All Time): #44,445 of 106,127Top 45%
13 inventors
13 Patents All Time

Top Inventors at Ab Ferrosan All Time

Showing 1–13 of 13 inventors

RankNamePatents
1 Aina L. Abramo 6
1 Anders Bjork 6
3 Erik G. Christensson 5
3 Sven E. H. Hernestam 5
#5 Knut G. Olsson 3
#5 Stig A. B. Erlandsson 3
#5 Ake Lindahl 3
#8 Bengt E. S. Kjellberg 2
#8 Lars-Olof Willard 2
#8 Nils A. Nilsson 2
#11 Hans-Bertil Johansson 1
#11 Kjell Martinsson 1
#11 Nils-Goran E. Olsson 1