Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Wisconsin ranks #15 among US states for total patents filed all time, with 213,471 patents from 40,088 inventors across 700 cities. On a per-capita basis that is 36.2 patents per 1,000 residents, a standard benchmark for comparing state-level R&D intensity.

Top Cities in Wisconsin All Time

Rank City Patents Inventors
#1 Madison, WI 22,785 4,527
#2 Milwaukee, WI 12,250 2,770
#3 Appleton, WI 10,072 1,506
#4 Neenah, WI 6,550 889
#5 Oshkosh, WI 6,345 837
#6 Waukesha, WI 6,319 1,162
#7 Racine, WI 5,396 1,018
#8 Sheboygan, WI 4,218 549
#9 Brookfield, WI 4,215 745
#10 Middleton, WI 3,678 564
#11 Wauwatosa, WI 3,667 672
#12 Kenosha, WI 3,592 686
#13 Hudson, WI 3,314 466
#14 Mequon, WI 2,865 452
#15 New Berlin, WI 2,660 571
#16 Green Bay, WI 2,427 718
#17 Menomonee Falls, WI 2,401 441
#18 Pewaukee, WI 2,261 359
#19 Fond du Lac, WI 2,171 383
#20 Menasha, WI 2,126 360
#21 Oconomowoc, WI 2,051 386
#22 West Bend, WI 2,032 449
#23 Cedarburg, WI 1,901 291
#24 Verona, WI 1,882 297
#25 Eau Claire, WI 1,752 370

Top Inventors in Wisconsin All Time

Rank Inventor City Company Patents
1 Andrew D. Baptist Sturtevant IBM 455
2 Richard G. Stelpflug Cassville Monsanto Technology 408
3 Hector F. DeLuca Deerfield WARF 360
#4 David Delano Ward Somerset Cisco 289
#4 Jiang Hsieh Brookfield GE 289
#6 Herbert V. Kohler, Jr. Kohler Jacob Delafon 239
#7 Randy D. Domack Holmen Ashley Furniture Industries 233
#7 Larry D. Kinsman Verona Micron 233
#9 Mathew A. McPherson Norwalk Mcp Ip 228
#10 Terry A. Everson Blair Ashley Furniture Industries 222
#11 Edwin Michael Grote Milton Pioneer (Corteva) 215
#12 Harvey J. Draheim Weyauwega Simmons Juvenile Products Company 205
#13 Mary J. Reid Sheboygan Kohler 195
#14 Michael J. Wenzel Grafton Johnson Controls Technology 187
#15 Steven W. Hyma Milwaukee Milwaukee Electric Tool 183
#16 Kevin L. Parsons Appleton NVIDIA 179
#17 Youngchoon Park Brookfield Johnson Controls Technology 157
#18 Robert Lee Popp Greenville Kimberly-Clark Worldwide 155
#19 Kirk H. Drees Cedarburg Johnson Controls Technology 154
#20 Deepak Shukla Oshkosh Eastman Kodak 153
#20 Keith V. Wood Mount Horeb Promega 153
#20 Nathaniel J. Page Madison Monsanto Technology 153
#20 Sudhi R. Sinha Milwaukee Johnson Controls Technology 153
#24 David D. Bohn Mosinee Microsoft 152
#24 William C. McKeone Sheboygan Kohler 152

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