FH

Francis R. Hull

📍 New York, NY: #3,324 of 20,192 inventorsTop 20%
🗺 New York: #23,203 of 115,490 inventorsTop 25%
Overall (All Time): #892,199 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
5261359 Reciprocating 2-stroke cycle internal combustion engine 1993-11-16
5056593 Dehumidifying heat exchanger apparatus 1991-10-15
4926771 Variable hull resistance system for marine vessels 1990-05-22
4590847 Supply make-up air attachment for exhaust booths 1986-05-27
4548262 Condensing gas-to-gas heat exchanger 1985-10-22
4183331 Forced circulation steam generator 1980-01-15