Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Gladewater, TX ranks #14,988 worldwide for total patents filed all time, with 106 patents from 36 inventors. Leading employers of inventors based in Gladewater, TX include Guardian Containment, Ljc Technologies, L.L.C., Bedminster Bioconversion. That works out to 17.3 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–36 of 36 inventors

Rank Inventor Primary Company Patents
1 William M. Del Zotto Guardian Containment 17
2 Markley Dean Johnson Ljc Technologies, L.L.C. 13
3 Larry J. Finn Bedminster Bioconversion 11
#4 Doyle W. Rodgers Stream-Flo Industries 7
#4 Neil Joseph Modeland Halliburton Energy Services 7
#4 William David Daugherty, III Trane International 7
#7 Gerald A. Stunkard 5
#7 Stephen N. Fenderson Fluor Technologies 5
#9 Jerad Norman Richardson 3Sc Global 3
#10 Boyd Spencer 2
#10 Nicholas Efthyvoulos 2
#10 Charles G. Akins 2
#10 Donald M. Yale 2
#14 Mark Gerald Miller Weatherford Technology Holdings 1
#14 Jerry A. Simcik 1
#14 Willis E. Hood 1
#14 Donald L. Sayers 1
#14 Travon Evers 1
#14 Charles E. Laughlin Petrolite 1
#14 Malcolm O. Hodnett 1
#14 Dennis M. Friend 1
#14 Gene R. Kottke 1
#14 Dorothy D. Sanguinet 1
#14 G. Steve Kyker Smith International 1
#14 Thomas M. Sanguinet 1
#14 Billy E. Echart 1
#14 Billie Odell Doonan 1
#14 Steve Fenderson 1
#14 Doug Verner Weatherford/Lamb 1
#14 Clarence Michael Matthews 1
#14 G. Steven Kyker Smith International 1
#14 Valeria C. Mitchell 1
#14 Laura B. Bolt 1
#14 Mark W. Commander Halliburton Energy Services 1
#14 Billy H. Davidson 1
#14 Teresa Richenberger 1

Part of Texas