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

Douglas Stewart Sinclair — 2 Patents

Jonesburg, MO: #1 of 2 inventorsTop 50%
Missouri: #8,863 of 23,789 inventorsTop 40%
Overall (All Time): #2,080,620 of 4,157,543Top 55%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
8574404 Fast pyrolysis processor which produces low oxygen content, liquid bio-oil 2013-11-05
5785930 Apparatus for burning a wide variety of fuels in air which produces low levels of nitric oxide and carbon monoxide emissions 1998-07-28