FP

Fredric W. Prill

BA Barber-Greene: 3 patents #3 of 19Top 20%
📍 North Aurora, IL: #27 of 144 inventorsTop 20%
🗺 Illinois: #15,122 of 84,256 inventorsTop 20%
Overall (All Time): #871,237 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
7625113 Adjustable inlet for recycle asphalt pavement Bruce A. Dillman 2009-12-01
6890365 Reverse-flow baghouse 2005-05-10
5294197 Asphalt manufacturing assembly Robert E. Farnham 1994-03-15
5054931 Counterflow asphalt drum mixer producing less hydrocarbon emissions and a method used therein Robert E. Farnham 1991-10-08
4839571 Safety back-up for metering pump control Robert E. Farnham 1989-06-13
4309168 System for combining multiple fuels to produce controllable gas temperatures in asphalt drum mixers Lee V. Binz 1982-01-05