South Dakota — Patent Inventors 2021

Top Cities in South Dakota 2021

Rank	City	Patents	Inventors
#1	Sioux Falls, SD	147	95
#2	Rapid City, SD	56	44
#3	Brookings, SD	33	20
#4	Yankton, SD	16	12
#5	Mitchell, SD	11	9
#6	Volga, SD	10	5
#7	Harrisburg, SD	9	7
#8	Pierre, SD	8	7
#9	Beresford, SD	6	3
#10	Salem, SD	6	2
#11	Watertown, SD	6	6
#12	Garretson, SD	5	1
#13	Hartford, SD	5	5
#14	Plankinton, SD	5	2
#15	North Sioux City, SD	4	1
#16	Beijing, SD	4	2
#17	Brandon, SD	4	4
#18	Alexandria, SD	4	2
#19	Arlington, SD	4	1
#20	Dakota Dunes, SD	4	4
#21	Draper, SD	3	1
#22	Madison, SD	3	1
#23	Summerset, SD	3	2
#24	Box Elder, SD	3	3
#25	Freeman, SD	3	2

Rank	Inventor	City	Company	Patents
1	Roger L. Lussenden	Sioux Falls	Monsanto Technology	11
2	Michael W. Kondratuk	Brookings	Larson Manufacturing Company Of South Dakota	6
3	Stephen M. Lewis	Sioux Falls	Poet Research	5
3	Benjamin D. Johnson	Salem	Pressco Ip	5
3	Wilbur James Kellum, III	Garretson	Amesbury Group	5
#6	John D. Preheim	Beresford	Raven Industries	4
#6	Alan M. Dixon	Arlington	Larson Manufacturing Company Of South Dakota	4
#6	Vance M. Thompson	Sioux Falls	Tearoptix	4
#6	Patrick W. Kelly	Sioux Falls	Sanford Health	4
#6	Nicholas A. Roth	North Sioux City	Empirical Innovations	4
#6	David Schiller	Sioux Falls	Bedford Industries	4
#6	Kelly D. Nordgaard	Plankinton	Larson Manufacturing Company Of South Dakota	4
#6	Bryan P. Zacher	Brookings	Larson Manufacturing Company Of South Dakota	4
#14	Eric Aasen	Sioux Falls	GE	3
#14	Sunny Kumar	Brookings	University of California	3
#14	Jeffrey Allen Van Roekel	Sioux Falls	Raven Industries	3
#14	Ronald E. Utecht	Madison	Alumend	3
#14	Gary E. Tagtow	Sioux Falls	Amesbury Group	3
#14	Christopher Michael Schaefer	Volga	Pioneer (Corteva)	3
#14	Greg Cronkhite	Draper	Good Ideas	3
#14	Alex Pearson	Sioux Falls	Pearson Incorporated	3
#14	Donald G. Huber	Alexandria	Roofguard Manufacturing	3
#14	Cory J. Sarks	Sioux Falls	Poet Research	3
#14	Haiping Hong	Rapid City	South Dakota Board Of Regents	3
#14	John Berdahl	Sioux Falls	Unknown	3