Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Hanahan, SC ranks #10,967 worldwide for total patents filed all time, with 174 patents from 54 inventors. Leading employers of inventors based in Hanahan, SC include Schlage Lock Company, Lignol Innovations, Calgon. That works out to 8.6 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–50 of 54 inventors

Rank Inventor Primary Company Patents
1 James W. Brown Schlage Lock Company 25
2 Humbert Thomas Dellicolli Lignol Innovations 22
3 Daniel P. Vanderpool Calgon 13
#4 John A. Alford 11
#5 John D. Offerman The Boeing 8
#6 Tibor J. Villanyi 6
#7 John Jordan Environmental Monitoring Systems 5
#7 Zachary R. Smith The Boeing 5
#9 Robert G. Colantuoni Disney 4
#9 James Alan Aske The Boeing 4
#9 James R. Stout Reilly Industries 4
#9 William J. Stafford 4
#13 Charles F. McCrary 3
#13 Mark A. Putnam Bayer Healthcare 3
#13 Kevin M. Walker Gkn Driveline North America 3
#13 Jeffrey Harkey Jacobs 3
#13 Denise Suarez LaRue 3
#13 James Patrick LaRue 3
#19 N. Lee Ann Moore 2
#19 William Stevick, II 2
#19 Alton R. Martin 2
#19 Jesse M. Wilson 2
#19 Brandon E. Wickline The Boeing 2
#19 Joseph C. Catlin Bayer Healthcare 2
#19 Jonathan A. Martinez 2
#19 Nancey Trevanian Tsai Musc Foundation For Research Development 2
#19 Michael P. Singletary Raybestos-Manhattan 2
#28 Jerry L. Franks 1
#28 Catherine C. Cashman 1
#28 Carl E. Chivers Rm Industrial Products Company 1
#28 Neil C. Brackett 1
#28 Glen Parris 1
#28 Eugene L. Curry 1
#28 Neal E. Tonks Miles 1
#28 Brandon Scott Lood US Air Force 1
#28 Scott Christopher Batson US Air Force 1
#28 Steven Birkbeck The Boeing 1
#28 Joseph Kernich Siemens Aktiengesellschaft 1
#28 Kenneth W. Aikin 1
#28 Randy Bouchillon 1
#28 Christopher Martin Louis Robert Bosch Gmbh 1
#28 Jeremy P. Harris The Boeing 1
#28 Alfred Ferguson 1
#28 Guigui Wan Ingevity South Carolina 1
#28 Patrick C. Saxton MIT 1
#28 Allen C. Pryor 1
#28 Chris Louis Robert Bosch Gmbh 1
#28 Lloyd G. Blake, Jr. 1
#28 Heather Noel Siflinger The Boeing 1
#28 Leonard McNeill 1

Part of South Carolina