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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Washington, IN ranks #8,568 worldwide for total patents filed all time, with 250 patents from 87 inventors. Leading employers of inventors based in Washington, IN include Levi Strauss &, Meritor Light Vehicle Technology, Evonik Degussa Gmbh. That works out to 20.8 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–50 of 87 inventors

Rank Inventor Primary Company Patents
1 Elizabeth O'Neill Levi Strauss & 15
1 Dustin P. Barmes 15
1 Monte Williams Meritor Light Vehicle Technology 15
#4 Gregory P. Barmes 13
#5 Terry Michael Brown, Sr. Evonik Degussa Gmbh 11
#5 Kent Kruzick Galbreath 11
#7 Ashok Reddy Hexion 10
#8 Sam Jones Puttshack 8
#9 Lucas Allison US Air Force 7
#9 Mark Halter Uop 7
#11 Marvin L. Barmes Sandbar Wholesale Trust 6
#11 Donald E. LaGrange US Air Force 6
#11 Nathan L. Barmes 6
#11 Gary Ciluffo 6
#15 Robert A. Moss Gemtron 5
#15 Michael A. Meinhart US Air Force 5
#17 Craig Armes US Air Force 4
#17 Charles F. Lang GE 4
#17 Josh Butcher Kimball International 4
#17 Steven L. Leffler Cummins 4
#21 William J. Weaver Square D 3
#21 Larry Wolfson Halliburton Energy Services 3
#21 Jill S. Jones Kimball International 3
#21 Mark S. Barmes Unknown 3
#21 Dann L. Bailey, Sr. Galbreath 3
#26 Joseph J. Lisowski Acurx Pharmaceuticals 2
#26 Mark Browning 2
#26 Kent M. Schonberger J.W. Hicks 2
#26 Edward Zipperle The United States Of America, Represented By The Secretary Of The Navy 2
#26 Larry G. Willis 2
#26 Gregory Dale Dellinger 2
#26 Karl D. Stein Western Kentucky University 2
#26 Jay S. Lengacher Otis Elevator 2
#26 KENT BUTLER 2
#26 Shawn Brian McDowell 2
#26 Jack Duncan Packaging Corporation Of America 2
#37 Harry L. Bunkowfst 1
#37 Joey Stutzman Kimball International 1
#37 Robert Leo Steimel, Jr. 1
#37 Anthony Lee Brumett 1
#37 Rex Alton 1
#37 Jerry W. Atkinson Gencorp 1
#37 Fredrick B. Kellar, Sr. 1
#37 Bernard G. Nail US Air Force 1
#37 Rex P. Mowery Whirlpool 1
#37 Rickey Timm 1
#37 Janine Timm 1
#37 G. David Peel 1
#37 Eric Niehaus 1
#37 Brock L. Devers 1

Part of Indiana