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

Alwin Manufacturing Co.

Rank (All Time): #21,203 of 106,127Top 20%
22 inventors
29 Patents All Time

Top Inventors at Alwin Manufacturing Co. All Time

Showing 1–22 of 22 inventors

RankNamePatents
1 Alan P. Paal 12
1 Alan J. Pierquet 12
3 Kenneth H. LaCount 10
#4 Daniel C. Kananen 8
#5 Donald G. Krueger 5
#5 James A. Rodrian 5
#5 Lawrence R. Hansen 5
#5 William G. Haen 5
#9 Diane L. Stephan 4
#9 Todd G. Welsch 4
#11 Sheldon P. Carr 3
#12 James A. Diring 2
#12 Kenneth H. Quigley 2
#12 Larry Schotz 2
#12 Patrick Gerald McCutcheon 2
#12 Sigurdur S. Witt 2
#12 Thomas Michael Leiterman 2
#12 Abtin Spantman 2
#12 Arthur N. Schultz 2
#20 Kevin Roland Knapp 1
#20 Robert T. Buczkiewicz 1
#20 Ryan Paul 1