Washington, IL All Time

423 patents  ·  45 inventors

Ranked #6,691 of 111,555 cities Top 6%

Showing 1–45 of 45 inventors

Rank Inventor Primary Company Patents
1 Ian Radtke Precision Planting 58
2 Terril Johnson Caterpillar 52
3 Eric James Johannsen Caterpillar 51
#4 Joel H. Miller Bose 29
#5 Philip Carl Spengler Caterpillar 25
#6 Adam Nackers Caterpillar 22
#7 Mircea Dumitru Caterpillar 20
#8 Jakob Douglas Cknapp Sales 16
#9 James Siegle Caterpillar 11
#10 Kevin Davis Caterpillar 10
#10 Jeffrey M. Thate Caterpillar 10
#12 Paul R English Caterpillar 9
#12 Timothy L. Hand Caterpillar 9
#14 Stephen C. Nofsinger Caterpillar 8
#14 Brent Tisserat USDA 8
#16 Skylar Clement Natural Fiber Welding 7
#16 DeForest C. Gould, III Caterpillar 7
#16 Michael D. Roley Caterpillar 7
#19 Philip Wallstedt Caterpillar 6
#19 Bradley S. Bashore Caterpillar 6
#21 Kraig M. Love Caterpillar 5
#21 Jeremiah C. Johnson Caterpillar 5
#23 Kea V. Chin Caterpillar 4
#23 Cody P. Renshaw Caterpillar 4
#23 James McMullen Komatsu America 4
#26 Michael I. Cline Caterpillar 3
#26 Michael Todd Graziano Caterpillar 3
#26 Michael A. Pershing Caterpillar 3
#29 Mike Dean Roley Caterpillar 2
#29 Jamie W. Clark RTX (Raytheon) 2
#29 Harry B. Newman Caterpillar 2
#29 Lucas J Peterson Caterpillar 2
#33 Kurt D. Smeltzer Caterpillar 1
#33 Steven C Peterson USDA 1
#33 Travis Unruh — 1
#33 Courtney E. Strauser Caterpillar 1
#33 Dennis Lee Kroeger Caterpillar 1
#33 Alok K. Puri Caterpillar 1
#33 Zachary Jacobs Caterpillar 1
#33 Martin Olson Caterpillar 1
#33 Brian Kacynski Caterpillar 1
#33 Jarrett T. Corcoran Caterpillar 1
#33 Robert J. Grahek Caterpillar 1
#33 Matthew Garnett Caterpillar 1
#33 David Cales — 1

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