Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Charleston, SC ranks #921 worldwide for total patents filed all time, with 3,625 patents from 815 inventors. Leading employers of inventors based in Charleston, SC include The Urban Electric, Westvaco, Sepracor. That works out to 24.1 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–50 of 815 inventors

Rank Inventor Primary Company Patents
1 David Dawson The Urban Electric 157
2 Christopher Roof The Urban Electric 88
3 Peter Schilling Westvaco 79
#4 Thomas Jerussi Sepracor 54
#5 Sohrab Soltani Hill-Rom Services 52
#6 John N. Vournakis Marine Polymer Technologies 46
#7 Billy Wayne Garrett, Jr. Rambus 45
#7 John A. Bobey Hill-Rom Services 45
#9 Peter Dilling Westvaco 40
#10 Dennis R. Mathis The Boeing 37
#10 Roger S. Williams Ingevity South Carolina 37
#12 John W. Evans Evans Cooling Systems 36
#13 Jose L. Rodriguez Siemens Energy 35
#14 James J. Romano Hill-Rom Services 34
#15 Thomas S. Hargest Span-America Medical Systems 30
#16 Darrell C. Ferguson Lineage Home Furnishings 29
#17 Eric Stimpson Charles River Laboratories 28
#17 Henry M. Hay, III Hawkes Design And Consulting, Llc. 28
#19 Reza Hakamiun Hill-Rom Services 27
#19 Laurence H. Hiltzik Ingevity South Carolina 27
#21 Christopher J. Mills The Boeing 26
#21 Praveen K. Namburu Lincoln Global 26
#21 James Geiger Geigtech East Bay 26
#24 Justin H. Register The Boeing 25
#25 Long N. Phan Top Flight Technologies 24
#25 Daniel J. Cook Cookgas 24
#27 Jeremy Blackburn Scientia Potentia Est. 23
#27 Christopher E. Johnson 3Play Media 23
#27 Lee W. VanTine Emc 23
#27 Stephen G. Hilliard Blue Force Gear 23
#31 Brandon Shane Gerber GE 22
#31 Jens Jensen New York University 22
#33 Craig D. Ellis Hill-Rom Services 21
#33 Larry Schneider Danco 21
#33 Jared Kuka Movestrong Functional Fitness Equipment 21
#33 David B. Allen Siemens Energy 21
#37 Jerald A. Hull The Boeing 19
#37 Gautam Ghatnekar Musc Foundation For Research Development 19
#37 Michael V. Bolden Hill-Rom Services 19
#40 Hans G. Schreuders Westvaco 18
#40 John C. Blackburn Halliburton Energy Services 18
#40 Byron James Autry The Boeing 18
#40 Robert C. Novack Hill-Rom Services 18
#40 James Keith McElveen Wave Sciences 18
#40 William Roper, JR. Istari Digital 18
#46 Kevin Langer The Urban Electric 17
#46 Luis F. Velasquez The Boeing 17
#46 Thomas Kevin MacKinnon Certainteed 17
#49 Andrew M. Huckey The Boeing 16
#49 Karl David Scientia Potentia Est. 16

Part of South Carolina