Iowa — Patent Inventors 2025 | Patent Leaderboard

Top Cities in Iowa 2025

Rank	City	Patents	Inventors
#1	Ames, IA	172	133
#2	Cedar Rapids, IA	159	93
#3	Ankeny, IA	141	66
#4	Johnston, IA	115	54
#5	Dubuque, IA	113	52
#6	Granger, IA	107	5
#7	Iowa City, IA	95	78
#8	Bettendorf, IA	92	45
#9	Des Moines, IA	74	44
#10	Marion, IA	69	42
#11	Cedar Falls, IA	54	39
#12	Urbandale, IA	41	30
#13	West Des Moines, IA	40	22
#14	Pella, IA	40	29
#15	Waukee, IA	39	18
#16	Marshalltown, IA	37	25
#17	Panora, IA	32	1
#18	Davenport, IA	32	21
#19	Grimes, IA	32	12
#20	Kelley, IA	32	1
#21	Oskaloosa, IA	31	16
#22	Coralville, IA	27	21
#23	Beijing, IA	25	7
#24	North Liberty, IA	25	13
#25	Clive, IA	25	14

Rank	Inventor	City	Company	Patents
1	Justin T. Mason	Granger	M.S. Technologies, L.L.C.	103
2	William H. Eby	Panora	Stine Seed Farm	32
2	Jeffrey M. Sernett	Kelley	Monsanto Technology	32
#4	Gary R. Stangland	Cedar Rapids	Monsanto Technology	19
#5	Jenna L. Rettenberger	Dubuque	John Deere	18
#5	Andrew L. Noll	Dubuque	John Deere	18
#5	Andrea Beth Kalvig	Waukee	Pioneer (Corteva)	18
#5	Hanna J. Wickman	Grimes	John Deere	18
#9	Bhanu Kiran Reddy Palla	Bettendorf	John Deere	17
#10	Elliot Lee Heffner	Des Moines	Pioneer (Corteva)	14
#11	Jason A. Ryon	Carlisle	Delavan	13
#11	Brian Douglas De Vries	Algona	Pioneer (Corteva)	13
#11	Sara Jane Lira	Adel	Pioneer (Corteva)	13
#14	Tara Luana Barrett Tarnowski	Des Moines	Pioneer (Corteva)	12
#15	Russell Fox	Stuart	Pioneer (Corteva)	11
#15	Joy Vuijk	Johnston	John Deere	11
#15	Paul Dayton	Ankeny	Treace Medical Concepts	11
#18	Eric Scott Riedeman	Alton	Pioneer (Corteva)	9
#18	Brandon P. Williams	Johnston	Collins Engine Nozzles	9
#20	Arturo Jason Morales	Ankeny	Pioneer (Corteva)	8
#20	Joann E Harren	Algona	Pioneer (Corteva)	8
#20	William Ellsworth Wyant, III	Madrid	Pioneer (Corteva)	8
#20	Tj T. Kwon	Marion	Rockwell Collins	8
#24	William B. Sorsby	Cedar Rapids	Rockwell Collins	7
#24	Carolyn R. Herman	La Porte City	John Deere	7