Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Richfield, WI ranks #3,950 worldwide for total patents filed all time, with 730 patents from 134 inventors. Leading employers of inventors based in Richfield, WI include Bradley Fixtures, Brady Worldwide, Milwaukee Electric Tool. That works out to 62.2 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–50 of 134 inventors

Rank Inventor Primary Company Patents
1 William L. Haas Bradley Fixtures 51
2 Joseph J. Colwell 49
3 Edward A. Raleigh Brady Worldwide 42
#4 Justin Miller Milwaukee Electric Tool 30
#5 Scott T. Moeller Milwaukee Electric Tool 25
#6 Brian Norbert Drifka Rytec 21
#7 Brent A. Bandholz Brady Worldwide 19
#8 Mark R. Webster Pflow Industries 18
#8 Keith A. Tabor Husco International 18
#10 Donald A. Link Eaton 17
#11 David N. Bloxdorf Douglas Dynamics, L.L.C. 16
#11 Richard T. Johnson Globe-Union 16
#13 Michael Sowieja Gehl Foods 15
#14 Todd A. Wiese Rockwell Automation 14
#14 Cheryl Ruth Jones GE 14
#14 Richard H. Jungmann Milwaukee Electric Tool 14
#14 Scott D. Day Rockwell Automation 14
#18 John Edward Lorbiecki GE 12
#18 Michael Lawrence Parkinson Illumina 12
#20 Kenneth Neu 11
#21 Jon Schumacher Rite-Hite Holding 10
#21 William R. Kuckuk Johnson Controls Technology 10
#23 Matthew N. Thurin Milwaukee Electric Tool 9
#23 Brad Rake Trico Mfg. 9
#23 Jeffrey Jay Erdmann Metavante 9
#26 Douglas G. Schwartz Milwaukee Electric Tool 8
#26 Dale L. Sand Paper Machinery 8
#26 Jeffrey Robert Braun John Deere 8
#29 Louis B. Mueller Rytec 7
#29 Scott L. Kidney Milwaukee Electric Tool 7
#29 Paul R. Feldner Server Products 7
#29 Patrick J. Kilps 3M 7
#29 Matthew Lane Pemberton GE 7
#34 Matt Gonia J.J. Mackay Canada Limited 6
#34 Jozef Milewski Graphic Packaging International 6
#34 Edward D. Wilbert Milwaukee Electric Tool 6
#34 Chad J. Gartzke Briggs & Stratton 6
#34 John Feldner Briggs & Stratton 6
#34 Paul G. Volz Quad/Graphics 6
#40 Caroline Fox Milwaukee Electric Tool 5
#40 Suzette C. Chance Gen-Probe Incorporated 5
#42 Natalie E. Bell Aladdin Engineering And Manufacturing 4
#42 Andrew Massignan Harley-Davidson Motor Company 4
#42 Neil W. Hartman 4
#42 Mike L. Carlson Briggs & Stratton 4
#46 John Robert Skibinski Eaton 3
#46 Hermann Dohl 3
#46 John Seabrooks Miller Brewing 3
#46 Robert A. Chvosta Broan-Nutone 3
#46 Robert J. Stango Marquette University 3

Part of Wisconsin