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

Barry N. Sprague

FTFuel Tech: 15 patents #4 of 60Top 7%
PPPlatinum Plus: 5 patents #1 of 6Top 20%
CTClean Diesel Technologies: 3 patents #10 of 28Top 40%
NTNalco Fuel Tech: 2 patents #7 of 27Top 30%
C(Clean Diesel Technologies, Inc. (Cdti): 1 patents #3 of 4Top 75%
West Haven, CT: #6 of 234 inventorsTop 3%
Connecticut: #1,318 of 34,797 inventorsTop 4%
Overall (All Time): #146,783 of 4,157,543Top 4%
27 Patents All Time

Issued Patents All Time

Showing 26–27 of 27 patents

Patent #TitleCo-InventorsDate
4822577 Method for the reduction of sulfur trioxide in an effluent William R. Epperly, James C. Sullivan 1989-04-18
4752302 Method and composition for improving flame combustion of liquid carbonaceous fuels Wayne E. Bowers 1988-06-21