Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
TB

Thomas J. Barnett

WTWeldon Technologies: 6 patents #1 of 5Top 20%
Columbus, OH: #561 of 3,880 inventorsTop 15%
Ohio: #13,499 of 73,341 inventorsTop 20%
Overall (All Time): #870,411 of 4,157,543Top 25%
6 Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
D594768 Warning lamp 2009-06-23
D592985 Warning lamp 2009-05-26
D571247 Warning lamp 2008-06-17
7138667 High power light emitting diode Sean Tillinghast 2006-11-21
6903380 High power light emitting diode Sean Tillinghast 2005-06-07
6541800 High power LED Sean Tillinghast 2003-04-01