Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Ladue, MO ranks #7,698 worldwide for total patents filed all time, with 292 patents from 43 inventors. Leading employers of inventors based in Ladue, MO include Williams Patent Crusher And Pulverizer, St. Louis University, Washington University. That works out to 32.5 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–43 of 43 inventors

Rank Inventor Primary Company Patents
1 Robert M. Williams Williams Patent Crusher And Pulverizer 92
2 Richard D. Bucholz St. Louis University 34
3 John W. Olney Washington University 21
#4 Gerard A. Dutra 16
#5 Richard B. Brundage Emerson Electric 13
#6 John G. Goessling, Jr. Quick Point 12
#6 A. Maynard Engebretson Central Institute For The Deaf 12
#8 Darren Buddemeyer Ortho Solutions, Lc 10
#9 Helmut L. Merten 7
#10 Ronald I. Pass Jdi Group 6
#11 Richard E. Ostlund Washington University 5
#11 Michael D. Latta Public Safety Equipment 5
#11 James Hsieh Memorial Sloan Kettering Cancer Center 5
#14 Joseph L. Krechel Control Devices 4
#14 Helen Piwnica-Worms Washington University 4
#16 Enrico Di Cera Saint Louis University 3
#16 John P. Holt 3
#16 Dean E. Hodge Purina Mills 3
#16 Patricia A McGuire Kci Medical Resources Unlimited 3
#20 Gerald R. Popelka Central Institute For The Deaf 2
#20 Sanjay Subramanian 2
#20 Edward D. Briscoe Samsung 2
#20 Jennifer Fiore Cox The Boeing 2
#20 Richard H. Blanke, Jr. JPMorgan Chase 2
#20 William Cann Mclaren Automotive Limited 2
#20 Michael W. Truskowski Cisco 2
#20 Irvin Davis 2
#20 F. Thane DeWeese Sherwood Medical 2
#20 Enrico De Cera Emory University 2
#30 Benjamin W. Lowell 1
#30 Clayton M. Park 1
#30 John P. Boineau Washington University 1
#30 James F. Burton 1
#30 Howard H. Hall 1
#30 David C. Torretta 1
#30 Donald M. Jacobsen 1
#30 Wayne M. Yokoyana Barnes-Jewish Hospital 1
#30 Xiaohong Feng Donald Danforth Plant Science Center 1
#30 Robert M. Willams 1
#30 Marvin Dufner 1
#30 Irving Powers 1
#30 Paul Gildehaus, III 1
#30 Cynthia X. Ma Mayo Foundation 1

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