Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
OT

Owatonna Tool — 10 Patents

Rank (All Time): #55,753 of 105,732Top 55%
13 inventors
10 Patents All Time

Patents per Year

Patents granted per year, 1981 to 1991Bar chart with a peak of 3 patents in 1982.peak 31981: 1 patents19811982: 3 patents19821983: 1 patents19831984: 2 patents19841988: 2 patents19881991: 1 patents1991

Top Inventors at Owatonna Tool All Time

Showing 1–13 of 13 inventors

RankNamePatents
1 James C. Solie 4
2 Larry D. Allard 2
2 Michael T. Landrum 2
2 Samuel B. McClocklin 2
#5 Dann Rypka 1
#5 Gerald E. Barry 1
#5 James I. Masterman 1
#5 James L. Sandberg 1
#5 Kenneth E. Jacobson 1
#5 Marvin A. Davis 1
#5 Robert S. Ogren 1
#5 Stanley Norland 1
#5 Terrance Anderson 1