Inventor · disambiguated record
William R. Epperly
Also filed as: EPPERLY WILLIAM R
18 granted patents·502 citations·filing 1978–1989
96Inventor score
Top patents by PatentIndex Score
18 records- 0189US4777024AMulti-stage process for reducing the concentration of pollutants in an effluentFUEL TECH INC·Filed 1987·Granted Oct 11, 1988·73 cites·24 claims
- 0288US4780289AProcess for nitrogen oxides reduction and minimization of the production of other pollutantsFUEL TECH INC·Filed 1987·Granted Oct 25, 1988·59 cites·32 claims
- 0386US5057293AMulti-stage process for reducing the concentration of pollutants in an effluentFUEL TECH INC·Filed 1989·Granted Oct 15, 1991·59 cites·70 claims
- 0475US5017347AProcess for nitrogen oxides reduction and minimization of the production of other pollutantsFUEL TECH INC·Filed 1988·Granted May 21, 1991·38 cites·42 claims
- 0572US4863705AProcess for the reduction of nitrogen oxides in an effluentFUEL TECH INC·Filed 1987·Granted Sep 5, 1989·25 cites·42 claims
- 0671US4803059AProcess for the reduction of nitrogen oxides in an effluent using a hydroxy amino hydrocarbonFUEL TECH INC·Filed 1987·Granted Feb 7, 1989·30 cites·23 claims
- 0769US4844878AProcess for the reduction of nitrogen oxides in an effluentFUEL TECH INC·Filed 1987·Granted Jul 4, 1989·29 cites·24 claims
- 0866US5069720AMethod and composition for the reduction of ammonia emissions from non-acidic residueFUEL TECH INC·Filed 1988·Granted Dec 3, 1991·20 cites·24 claims
- 0965US4770863AProcess for the reduction of nitrogen oxides in an effluentFUEL TECH INC·Filed 1987·Granted Sep 13, 1988·26 cites·19 claims
- 1062US4877590AProcess for nitrogen oxides reduction with minimization of the production of other pollutantsFUEL TECH INC·Filed 1988·Granted Oct 31, 1989·18 cites·41 claims
- 1162US4877591AProcess for the reduction of nitrogen oxides in an effluent using sugarFUEL TECH INC·Filed 1987·Granted Oct 31, 1989·19 cites·12 claims
- 1262US4830839AAmmonia scrubbingFUEL TECH INC·Filed 1987·Granted May 16, 1989·17 cites·25 claims
- 1360US4902488AProcess for nitrogen oxides reduction with minimization of the production of other pollutantsFUEL TECH INC·Filed 1988·Granted Feb 20, 1990·21 cites·41 claims
- 1460US4873066ALow temperature process for the reduction of nitrgen oxides in an effluentFUEL TECH INC·Filed 1989·Granted Oct 10, 1989·15 cites·10 claims
- 1560US4863704AMulti-stage process for reducing the concentration of pollutants in an effluent using an ammonium saltFUEL TECH INC·Filed 1988·Granted Sep 5, 1989·21 cites·14 claims
- 1654US4888165AProcess for the reduction of nitrogen oxides in an effluent using a heterocyclic hydrocarbonFUEL TECH INC·Filed 1988·Granted Dec 19, 1989·12 cites·25 claims
- 1750US4822577AMethod for the reduction of sulfur trioxide in an effluentFUEL TECH INC·Filed 1988·Granted Apr 18, 1989·14 cites·15 claims
- 1838US4332667ALiquefaction process for solid carbonaceous materials containing alkaline earth metal humatesEXXON RESEARCH ENGINEERING CO·Filed 1978·Granted Jun 1, 1982·6 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →