Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Louisiana ranks #39 among US states for total patents filed in 2016, with 1,015 patents from 697 inventors across 109 cities. On a per-capita basis that is 0.2 patents per 1,000 residents, a standard benchmark for comparing state-level R&D intensity.

Top Cities in Louisiana 2016

Rank City Patents Inventors
#1 Baton Rouge, LA 163 106
#2 New Orleans, LA 112 78
#3 Lafayette, LA 99 61
#4 Mandeville, LA 37 28
#5 Metairie, LA 37 25
#6 Houma, LA 36 28
#7 Shreveport, LA 34 27
#8 Slidell, LA 30 22
#9 Covington, LA 29 17
#10 Thibodaux, LA 20 15
#11 Harahan, LA 19 11
#12 Kenner, LA 18 12
#13 Gonzales, LA 17 5
#14 Lake Charles, LA 17 14
#15 Youngsville, LA 16 11
#16 Ruston, LA 15 11
#17 Clinton, LA 14 6
#18 Monroe, LA 14 5
#19 Broussard, LA 13 13
#20 Zachary, LA 13 8
#21 New Iberia, LA 13 9
#22 Bossier City, LA 12 9
#23 Bogalusa, LA 9 5
#24 Morgan City, LA 8 8
#25 Waggaman, LA 8 5

Top Inventors in Louisiana 2016

Rank Inventor City Company Patents
1 David Bar-Or New Orleans Ampio Pharmaceuticals 10
1 Jeremy Richard Angelle Lafayette Frank'S International 10
3 Robert L. Thibodeaux Lafayette Frank'S International 8
3 Nouri E. Hakim Monroe Luv N' Care 8
#5 Kevin W. Crochet, Sr. Baton Rouge Aegis Flow Technologies, L.L.C. 7
#5 Sidney A. Rovira, III Gonzales Aegis Flow Technologies, L.L.C. 7
#5 Norman Eger Baton Rouge Aegis Flow Technologies, L.L.C. 7
#8 Robert Edward Lee Millards Plant Development Services 6
#8 Gary R. Marchand Gonzales Dow Global Technologies 6
#8 Yousheng Zeng Baton Rouge Providence Photonics 6
#11 Daniel S. Sinclair, Jr. Mandeville Blunt Wrap U.S.A. 5
#11 Philip Dale Westmoreland Bogalusa 5
#11 Donald E. Mosing Lafayette Frank'S Casing Crew And Rental Tools 5
#11 Dustin K. Amrhein Zachary IBM 5
#11 Nikica Maljkovic New Orleans Solvay Advanced Polymers, L.L.C. 5
#16 Danny Ness Metairie 4
#16 Yong-Hwan Lee Baton Rouge Samsung 4
#16 Brian R. Lee Kenner Laitram, L.L.C. 4
#16 Bryant G. Ragan Metairie Laitram, L.L.C. 4
#16 Trent Zimmer Youngsville 4
#16 John Erick Stelly Breaux Bridge Frank'S International 4
#16 Joseph M. DePaso Waggaman Laitram, L.L.C. 4
#16 Charles David Gilliam Baton Rouge Hubbell Incorporated (Delaware) 4
#16 Michael Schilling Clinton Pactec 4
#16 Michael K. Smolek Pearl River Refocus Group 4

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