Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Marshall, TX ranks #8,027 worldwide for total patents filed all time, with 275 patents from 62 inventors. Leading employers of inventors based in Marshall, TX include Lj Laboratories, Callaway Golf, Huntleigh Technology Limited. That works out to 11.8 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–50 of 62 inventors

Rank Inventor Primary Company Patents
1 Alan R. Loudermilk Lj Laboratories 117
2 Daniel Murphy Callaway Golf 25
3 Glenn C. Stroh Huntleigh Technology Limited 13
#4 David R. Dillehay Thiokol 10
#4 David McMinn 10
#6 Gary P. Roberts 3M 9
#7 Larry Spikes 6
#7 Walter Solomon 6
#9 Stephan D. Findley Athenaeum 5
#10 Stewart A. Simpson 4
#10 Julie Smith 4
#12 Alan Loudermilk 3
#12 Caree L. Woodmansee Hemotek 3
#12 William S. Strange, Jr. 3
#12 Richard Kincaid 3
#16 Alexander Parker Wood Advanced Bio Prosthetic Surfaces 2
#16 Fred Neal, Jr. 2
#16 Aubrey Dare Westmoreland, III 2
#16 Dallis A. Smith Smith International 2
#16 Holly Ann Foster Unknown 2
#16 Edwin L. Baker 2
#16 Sharon Barnes Identec Solutions Ag 2
#23 Ralph G. Beil 1
#23 Marshall E. Billig Foseco International Limited 1
#23 Gary Pinault Cemex 1
#23 Donnie W. McVay 1
#23 Benjamin S. Lambers Borgwarner 1
#23 Anthony Schuh 1
#23 Jeffrey Ronald Mottershaw 1
#23 Ira Mark Smith 1
#23 Misty Williams Cabot 1
#23 Glenn Stroth Kci Licensing 1
#23 Ray O. Russell 1
#23 Debra L Inglish 1
#23 Sherri S. Welch 1
#23 Ralph A. Wynne Phillips Petroleum 1
#23 Jeff Diffie Crompton 1
#23 Karen Lott US Air Force 1
#23 Lee A. Flannery 1
#23 Jack Canson 1
#23 James Harrell Cobb 1
#23 Marvin Howlett Eutectic 1
#23 John Steven Reel 1
#23 Shannon D Bacon 1
#23 Sherion Bacon 1
#23 Jan Williamson 1
#23 Edward Juno 1
#23 Susan McBeth Pool 1
#23 Alaina N. Pool Jones 1
#23 Trudy Wiggins 1

Part of Texas