Waterloo, IA All Time

1,266 patents  ·  348 inventors

Ranked #3,038 of 111,555 cities Top 3%

Showing 1–50 of 348 inventors

Rank Inventor Primary Company Patents
1 Michael A. Josephs Monsanto Technology 64
2 Thomas M. Harris Tenneco Automotive Operating Company 31
3 Mark T. Ryan Target Brands 30
#4 Christopher D. Turner John Deere 25
#4 Robert J. White Peak International 25
#6 Richard E. Winsor John Deere 22
#6 Fred Ritchie Waterloo Industries 22
#6 Arthur Lance Springer Verizon 22
#9 Dean Arden Boyce John Deere 18
#10 Kelsey C. Thom, Jr. California Pellet Mill 17
#11 Dennis L. Jeffries John Deere 16
#12 Paul Thomas Bruss John Deere 15
#13 Curtis P. Ritter John Deere 14
#14 Douglas L. Sevey The University Of Northern Iowa 13
#14 Edwin R. Kreis John Deere 13
#14 Gregory E. Sparks John Deere 13
#14 Gary L. Campbell Verizon 13
#18 Bernard B. Poore John Deere 12
#18 David James Haugen US EPA 12
#20 Noah F. Homan John Deere 11
#20 Nathanael K. Rehn John Deere 11
#20 John Potter British Telecommunications Public Limited 11
#20 David C. Smart John Deere 11
#24 Craig A. Puetz John Deere 10
#24 Gregory S. Hosford Shakespeare Company 10
#24 Dwayne A. Nystrom John Deere 10
#27 Sarkis A. Koltookian John Deere 9
#27 Warren B. Depperman Cogsdill Tool Products 9
#27 Jade E. Bender John Deere 9
#27 Bruce L. Upchurch John Deere 9
#31 David A. Trower Waterloo Industries 8
#31 Jerry L. O'Donnell For You 8
#31 Larry Linn Kriener John Deere 8
#31 David E. Brandon John Deere 8
#31 Marion E. Hutchison Veda Incorporated 8
#31 Randy C. Rush John Deere 8
#31 Pratir Punjani John Deere 8
#38 Keith Borglum — 7
#38 Michael Cook John Deere 7
#38 Keith Baker John Deere 7
#38 Kenneth D. Kramer John Deere 7
#38 Duane Fredrick Meyer John Deere 7
#38 William Guy Alexander John Deere 7
#38 Robert E. Haight John Deere 7
#38 Douglas S. Brocco John Deere 7
#38 Stephen P. Lang John Deere 7
#38 Richard A. Michael John Deere 7
#38 Jordan Tagtow John Deere 7
#38 Ryan Pecinovsky John Deere 7
#38 Eric J. Hruby John Deere 7

Part of Iowa