Assignee
FUEL TECH INC
US·58 granted patents·9 pending applications·1,638 citations·filing 1985–2023
Top patents by PatentIndex Score
67 records- 0198US4891050AGasoline additives and gasoline containing soluble platinum group metal compounds and use in internal combustion enginesFUEL TECH INC·Filed 1986·Granted Jan 2, 1990·128 cites·18 claims
- 0297US4892562ADiesel fuel additives and diesel fuels containing soluble platinum group metal compounds and use in diesel enginesFUEL TECH INC·Filed 1986·Granted Jan 9, 1990·122 cites·18 claims
- 0393US4629472AMethod and apparatus for improving combustion, thermal efficiency and reducing emissions by treating fuelFUEL TECH INC·Filed 1985·Granted Dec 16, 1986·63 cites·16 claims
- 0492US7615200B2Selective catalytic reduction of NOx enabled by urea decomposition in heat-exchanger bypassFUEL TECH INC·Filed 2007·Granted Nov 10, 2009·25 cites·20 claims
- 0590US7815881B2Selective catalytic reduction of NOx enabled by urea decomposition heat-exchanger bypassFUEL TECH INC·Filed 2009·Granted Oct 19, 2010·19 cites·8 claims
- 0689US4777024AMulti-stage process for reducing the concentration of pollutants in an effluentFUEL TECH INC·Filed 1987·Granted Oct 11, 1988·73 cites·24 claims
- 0789US4752302AMethod and composition for improving flame combustion of liquid carbonaceous fuelsFUEL TECH INC·Filed 1986·Granted Jun 21, 1988·39 cites·23 claims
- 0888US4780289AProcess for nitrogen oxides reduction and minimization of the production of other pollutantsFUEL TECH INC·Filed 1987·Granted Oct 25, 1988·59 cites·32 claims
- 0986US5894806AProcess for increasing the effectiveness of slag and/or corrosion control chemicals for combustion unitsFUEL TECH INC·Filed 1997·Granted Apr 20, 1999·54 cites·5 claims
- 1086US5057293AMulti-stage process for reducing the concentration of pollutants in an effluentFUEL TECH INC·Filed 1989·Granted Oct 15, 1991·59 cites·70 claims
- 1186US4751065AReduction of nitrogen- and carbon-based pollutantsFUEL TECH INC·Filed 1986·Granted Jun 14, 1988·54 cites·15 claims
- 1285US7090810B2Selective catalytic reduction of nox enabled by sidestream urea decompositionFUEL TECH INC·Filed 2001·Granted Aug 15, 2006·52 cites·15 claims
- 1385US4985218AProcess and injector for reducing the concentration of pollutants in an effluentFUEL TECH INC·Filed 1989·Granted Jan 15, 1991·59 cites·16 claims
- 1483US8848192B2Extractive continuous ammonia monitoring systemFUEL TECH INC·Filed 2013·Granted Sep 30, 2014·5 cites·4 claims
- 1583US4719092AReduction of nitrogen-based pollutants through the use of urea solutions containing oxygenated hydrocarbon solventsFUEL TECH INC·Filed 1985·Granted Jan 12, 1988·50 cites·13 claims
- 1682US4978514ACombined catalytic/non-catalytic process for nitrogen oxides reductionFUEL TECH INC·Filed 1989·Granted Dec 18, 1990·53 cites·19 claims
- 1782US4842834AProcess for reducing the concentration of pollutants in an effluentFUEL TECH INC·Filed 1987·Granted Jun 27, 1989·80 cites·9 claims
- 1881US7829033B2Selective catalytic reduction of NOx enabled by sidestream urea decompositionFUEL TECH INC·Filed 2006·Granted Nov 9, 2010·11 cites·10 claims
- 1980US5139754ACatalytic/non-catalytic combination process for nitrogen oxides reductionFUEL TECH INC·Filed 1990·Granted Aug 18, 1992·46 cites·25 claims
- 2079US10197272B2Process and apparatus for reducing acid plumeFUEL TECH INC·Filed 2016·Granted Feb 5, 2019·3 cites·6 claims
- 2177US5286467AHighly efficient hybrid process for nitrogen oxides reductionFUEL TECH INC·Filed 1992·Granted Feb 15, 1994·37 cites·16 claims
- 2276US7332143B2Targeted duct injection for SO3 controlFUEL TECH INC·Filed 2006·Granted Feb 19, 2008·11 cites·7 claims
- 2376US4915036ABoiler and injector for reducing the concentration of pollutants in an effluentFUEL TECH INC·Filed 1989·Granted Apr 10, 1990·39 cites·12 claims
- 2475US8916120B2Dry processes, apparatus, compositions and systems for reducing sulfur oxides and HCIFUEL TECH INC·Filed 2013·Granted Dec 23, 2014·3 cites·33 claims
- 2575US5017347AProcess for nitrogen oxides reduction and minimization of the production of other pollutantsFUEL TECH INC·Filed 1988·Granted May 21, 1991·38 cites·42 claims
- 2675US4927612AReduction of nitrogen- and carbon-based pollutantsFUEL TECH INC·Filed 1988·Granted May 22, 1990·35 cites·8 claims
- 2774US11944952B2Removing contaminants from water with adsorbentsFUEL TECH INC·Filed 2022·Granted Apr 2, 2024·0 cites·8 claims
- 2874US4992249AReduction of nitrogen- and carbon-based pollutants through the use of urea solutionsFUEL TECH INC·Filed 1987·Granted Feb 12, 1991·34 cites·16 claims
- 2973US4997631AProcess for reducing nitrogen oxides without generating nitrous oxideFUEL TECH INC·Filed 1990·Granted Mar 5, 1991·35 cites·19 claims
- 3072US9399597B2Ash compositions recovered from coal combustion gases having reduced emissions of HCI and/or mercuryFUEL TECH INC·Filed 2014·Granted Jul 26, 2016·2 cites·4 claims
- 3172US4863705AProcess for the reduction of nitrogen oxides in an effluentFUEL TECH INC·Filed 1987·Granted Sep 5, 1989·25 cites·42 claims
- 3271US8992868B2Dry processes, apparatus compositions and systems for reducing mercury, sulfur oxides and HClFUEL TECH INC·Filed 2013·Granted Mar 31, 2015·2 cites·34 claims
- 3371US4803059AProcess 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
- 3469US4844878AProcess for the reduction of nitrogen oxides in an effluentFUEL TECH INC·Filed 1987·Granted Jul 4, 1989·29 cites·24 claims
- 3568US4976607ABurner apparatus for providing adjustable flame geometryFUEL TECH INC·Filed 1986·Granted Dec 11, 1990·28 cites·6 claims
- 3666US5069720AMethod and composition for the reduction of ammonia emissions from non-acidic residueFUEL TECH INC·Filed 1988·Granted Dec 3, 1991·20 cites·24 claims
- 3766US5047219AHybrid process for nitrogen oxides reductionFUEL TECH INC·Filed 1989·Granted Sep 10, 1991·26 cites·15 claims
- 3865US11332388B2Removal of selenium from water with kaoliniteFUEL TECH INC·Filed 2020·Granted May 17, 2022·0 cites·8 claims
- 3965US7162960B2Process for reducing plume opacityFUEL TECH INC·Filed 2004·Granted Jan 16, 2007·15 cites·11 claims
- 4065US4770863AProcess for the reduction of nitrogen oxides in an effluentFUEL TECH INC·Filed 1987·Granted Sep 13, 1988·26 cites·19 claims
- 4162US4877590AProcess for nitrogen oxides reduction with minimization of the production of other pollutantsFUEL TECH INC·Filed 1988·Granted Oct 31, 1989·18 cites·41 claims
- 4262US4877591AProcess for the reduction of nitrogen oxides in an effluent using sugarFUEL TECH INC·Filed 1987·Granted Oct 31, 1989·19 cites·12 claims
- 4362US4830839AAmmonia scrubbingFUEL TECH INC·Filed 1987·Granted May 16, 1989·17 cites·25 claims
- 4460US4902488AProcess for nitrogen oxides reduction with minimization of the production of other pollutantsFUEL TECH INC·Filed 1988·Granted Feb 20, 1990·21 cites·41 claims
- 4560US4873066ALow temperature process for the reduction of nitrgen oxides in an effluentFUEL TECH INC·Filed 1989·Granted Oct 10, 1989·15 cites·10 claims
- 4660US4863704AMulti-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
- 4759US7845292B2Process for slag and corrosion control in boilersFUEL TECH INC·Filed 2006·Granted Dec 7, 2010·1 cites·11 claims
- 4859US2010006014A1Targeted reagent injection for slag control from combustion of coals high in iron and/or calciumFUEL TECH INC·Filed 2009·Application pending·0 cites
- 4957US2018312773A1Controlling Slagging and/or Fouling in Furnaces Burning BiomassFUEL TECH INC·Filed 2018·Application pending·0 cites
- 5057US2018327683A1Controlling Slagging and/or Fouling in Furnaces Burning BiomassFUEL TECH INC·Filed 2018·Application pending·0 cites
Showing the top 50 of 67 patent records by PatentIndex Score.
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