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

Grain Processing

Rank (All Time): #5,610 of 106,127Top 6%
87 inventors
130 Patents All Time

Top Inventors at Grain Processing All Time

Showing 1–50 of 87 inventors

RankNamePatents
1 Richard L. Antrim 23
2 Frank W. Barresi 20
2 Roger McPherson 20
#4 Sarjit Johal 17
#5 Richard D. Harvey 11
#6 Kevin H. Schilling 10
#6 Lin Wang 10
#8 E. Daniel Hubbard 9
#8 Jeff Underwood 9
#10 Paul R. Witt 8
#10 Steven L. Ramsden 8
#10 Susan Freers 8
#13 Terry Andren 7
#13 Alpha L. Morehouse 7
#15 John T. Garbutt 6
#15 Michael Kramer 6
#15 Tonya Armstrong 6
#18 Pete Miller 5
#18 Adrian P. Kightlinger 5
#18 Albert Pollmeier 5
#21 Michael Riley 4
#21 Zachary J. Halloran 4
#23 David F. Cali 3
#23 Donald L. Kiser 3
#23 Frank J. Gute 3
#23 Helene Bazin 3
#23 Leona E. Bishop 3
#23 Pamela A. Sander 3
#23 Peter A. Miller 3
#23 Stuart W. Mabee 3
#23 Thomas L. Small 3
#23 Thomas A. Wiesner 3
#33 Charles Lewis 2
#33 Clark Lee 2
#33 Daniel FREEMAN 2
#33 Dan Freeman 2
#33 Daniel Hubbard 2
#33 Dianna Liu 2
#33 Eric Mehnert 2
#33 Frederick C. Armbruster 2
#33 Gage A. Kent 2
#33 J. Steve Taylor 2
#33 James Michael Crandall 2
#33 Jack E. Ramser 2
#33 John P. Dudenhoeffer 2
#33 Lee C. Pedersen 2
#33 Lyle F. Elmquist 2
#33 Nick E. Christians 2
#33 Pamela A. Krone 2
#33 Richard E. Castle 2