Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Sulphur, LA ranks #8,640 worldwide for total patents filed all time, with 247 patents from 98 inventors. Leading employers of inventors based in Sulphur, LA include Servi-Tech, Olin, Xerox. That works out to 11.3 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–50 of 98 inventors

Rank Inventor Primary Company Patents
1 Robert R. Cradeur Servi-Tech 16
2 B. Timothy Pennington Olin 15
3 Thomas C. Parker Xerox 12
#4 Lenny Lee Albin W.R. Grace & Co.-Conn. 10
#5 David Richard Parelec 9
#5 Gerald L. Chrisope 9
#7 William Fred Pierce Rac Em Bac, L.L.C. 8
#8 Jim E. Amuny 6
#9 Earl M. Gorton Ppg Industries Ohio 5
#9 Dyrell K. Stokes 5
#9 Bennie J. Stokes 5
#9 Robert K. Pertuit Hoot Aerobic Systems 5
#9 James T. Dew Ppg Industries 5
#14 Buford T. Pennington Arco Chemical Technology 4
#14 Joseph Palermo Block 4
#14 Richard C. Gaudet Century Group, L.L.C. 4
#14 Tony James Latiolais Rac Em Bac, L.L.C. 4
#14 Michael Herren Luminex 4
#14 Douglas James Landry Westlake Longview 4
#20 Kenneth M. Istre Wpt 3
#20 Toby Darbonne Wpt 3
#20 Tharp Patrick Holton 3
#20 Peter C. Imm Olin 3
#20 Gregory LaFleur 3
#20 Bobby McCoy Aquatic 3
#20 James A. DeBernardi Conoco 3
#20 Adam LeBlanc 3
#20 William Henry COOPER Framatome 3
#29 Steven D. Grimes Conoco 2
#29 Ashley Lloyd Wade Bae Systems Plc 2
#29 Gary D. Guidry 2
#29 Ryan Carlton Ledford Stephen Gould 2
#29 Kellie German 2
#29 William A. Terry Hoover Limited 2
#29 George L. McDuff 2
#29 Josh German 2
#29 John Fleig 2
#29 Emmet J. Arboneaux, III Chromalloy American 2
#29 Michael A. DiGeorge 2
#29 Teresa L. Marino Sasoi Performance Chemicals Gmbh 2
#29 Joe R. Palermo, Jr. 2
#29 Mickey Peshoff Unknown 2
#29 Billie E. Art 2
#29 Leo C. Comeaux Ppg Industries 2
#45 Thomas J. Mihalcik Conoco 1
#45 Kenneth J. Talbot Chromalloy American 1
#45 Harry D. Garrison Conoco 1
#45 Elmer S. Hyde, Jr. 1
#45 Curtis P. Trahan 1
#45 Terry P. Shaughnessy Packaging Industries Group 1

Part of Louisiana