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

Dwight E. Leavens

SYSylvachem: 2 patents #2 of 12Top 20%
Panama City, FL: #105 of 378 inventorsTop 30%
Florida: #22,299 of 67,251 inventorsTop 35%
Overall (All Time): #2,360,290 of 4,157,543Top 60%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4483791 Recovery of fatty acids from tall oil heads C. Frank Phillips, Jr. 1984-11-20
4185026 Process for cleansing spent clay from the refining of glyceride esters Gary W. Smith, Louis Sims 1980-01-22