Top Inventors in Washington, IL | Patent Leaderboard

Washington, IL ranks #5,818 worldwide for total patents filed all time, with 436 patents from 45 inventors. Leading employers of inventors based in Washington, IL include Precision Planting, Caterpillar, Bose. That works out to 27.1 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–45 of 45 inventors

Rank	Inventor	Primary Company	Patents
1	Ian Radtke	Precision Planting	62
2	Eric James Johannsen	Caterpillar	54
3	Terril Johnson	Caterpillar	52
#4	Joel H. Miller	Bose	29
#5	Philip Carl Spengler	Caterpillar	26
#6	Adam Nackers	Caterpillar	25
#7	Mircea Dumitru	Caterpillar	20
#8	Jakob Douglas	Cknapp Sales	17
#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	Brent Tisserat	USDA	8
#14	Stephen C. Nofsinger	Caterpillar	8
#16	Skylar Clement	Natural Fiber Welding	7
#16	DeForest C. Gould, III	Caterpillar	7
#16	Michael D. Roley	Caterpillar	7
#19	Bradley S. Bashore	Caterpillar	6
#19	Philip Wallstedt	Caterpillar	6
#21	Jeremiah C. Johnson	Caterpillar	5
#21	Kraig M. Love	Caterpillar	5
#23	Kea V. Chin	Caterpillar	4
#23	James McMullen	Komatsu America	4
#23	Michael A. Pershing	Caterpillar	4
#23	Cody P. Renshaw	Caterpillar	4
#27	Michael I. Cline	Caterpillar	3
#27	Michael Todd Graziano	Caterpillar	3
#29	Mike Dean Roley	Caterpillar	2
#29	Harry B. Newman	Caterpillar	2
#29	Lucas J Peterson	Caterpillar	2
#29	Jamie W. Clark	RTX (Raytheon)	2
#33	Courtney E. Strauser	Caterpillar	1
#33	Kurt D. Smeltzer	Caterpillar	1
#33	Steven C Peterson	USDA	1
#33	Jarrett T. Corcoran	Caterpillar	1
#33	Brian Kacynski	Caterpillar	1
#33	Matthew Garnett	Caterpillar	1
#33	Martin Olson	Caterpillar	1
#33	Dennis Lee Kroeger	Caterpillar	1
#33	Travis Unruh	—	1
#33	Alok K. Puri	Caterpillar	1
#33	David Cales	—	1
#33	Robert J. Grahek	Caterpillar	1
#33	Zachary Jacobs	Caterpillar	1

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Washington, IL All Time