Fredric W. Prill
6Patents
4h-index
3Co-inventors
50Inventor score
Filing activity: Jul 14, 1980 → Aug 22, 2005
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4839571A | Safety back-up for metering pump control | Physics | 49 | Expired |
| US5054931A | Counterflow asphalt drum mixer producing less hydrocarbon emissions and a method used therein | Fixed Constructions | 22 | Expired |
| US5294197A | Asphalt manufacturing assembly | Fixed Constructions | 15 | Expired |
| US4309168A | System for combining multiple fuels to produce controllable gas temperatures in asphalt drum mixers | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US6890365B2 | Reverse-flow baghouse | Performing Operations; Transporting | 3 | Expired |
| US7625113B2 | Adjustable inlet for recycle asphalt pavement | Fixed Constructions | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.