Inventor · disambiguated record
Fredric W. Prill
Also filed as: PRILL FREDRIC W
6 granted patents·1 pending application·148 citations·filing 1980–2009
84Inventor score
Files withBARBER GREENE CO3AI ENTPR INC1ASPHALT PRODUCT TECHNOLOGIES1DILLMAN BRUCE A1DILLMAN EQUIPMENT INC1
Top patents by PatentIndex Score
7 records- 0189US4839571ASafety back-up for metering pump controlBARBER GREENE CO·Filed 1987·Granted Jun 13, 1989·66 cites·9 claims
- 0277US5054931ACounterflow asphalt drum mixer producing less hydrocarbon emissions and a method used thereinBARBER GREENE CO·Filed 1987·Granted Oct 8, 1991·41 cites·2 claims
- 0358US7625113B2Adjustable inlet for recycle asphalt pavementAI ENTPR INC·Filed 2005·Granted Dec 1, 2009·3 cites·12 claims
- 0454US2010218960A1Method of Extinguishing FiresDILLMAN BRUCE A·Filed 2009·Application pending·0 cites
- 0551US6890365B2Reverse-flow baghouseDILLMAN EQUIPMENT INC·Filed 2003·Granted May 10, 2005·5 cites·58 claims
- 0651US4309168ASystem for combining multiple fuels to produce controllable gas temperatures in asphalt drum mixersBARBER GREENE CO·Filed 1980·Granted Jan 5, 1982·12 cites·4 claims
- 0749US5294197AAsphalt manufacturing assemblyASPHALT PRODUCT TECHNOLOGIES·Filed 1990·Granted Mar 15, 1994·21 cites·21 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →