Inventor · disambiguated record
Barry N. Sprague
Also filed as: SPRAGUE BARRY · SPRAGUE BARRY N · SPRAGUE BARRY NORMAND
27 granted patents·10 pending applications·1,179 citations·filing 1986–2013
98Inventor score
Top patents by PatentIndex Score
37 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
- 0396US5034020AMethod for catalyzing fuel for powering internal combustion enginesPLATINUM PLUS INC·Filed 1989·Granted Jul 23, 1991·86 cites·12 claims
- 0494US6003303AMethods for reducing harmful emissions from a diesel engineCLEAN DIESEL TECH INC·Filed 1995·Granted Dec 21, 1999·129 cites·22 claims
- 0594US5645756AHardness suppression in urea solutionsNALCO FUEL TECH·Filed 1995·Granted Jul 8, 1997·102 cites·9 claims
- 0691US5693106APlatinum metal fuel additive for water-containing fuelsPLATINUM PLUS INC·Filed 1995·Granted Dec 2, 1997·67 cites·20 claims
- 0790US5266083AMethod for reducing pollution emissions from a diesel enginePLATINUM PLUS INC·Filed 1991·Granted Nov 30, 1993·64 cites·12 claims
- 0889US4752302AMethod and composition for improving flame combustion of liquid carbonaceous fuelsFUEL TECH INC·Filed 1986·Granted Jun 21, 1988·39 cites·23 claims
- 0986US5057293AMulti-stage process for reducing the concentration of pollutants in an effluentFUEL TECH INC·Filed 1989·Granted Oct 15, 1991·59 cites·70 claims
- 1085US6948926B2Reduced-emissions combustion utilizing multiple-component metallic combustion catalystCLEAN DIESEL TECH INC·Filed 2002·Granted Sep 27, 2005·30 cites·8 claims
- 1184US7063729B2Low-emissions diesel fuelCLEAN DIESEL TECH INC·Filed 2002·Granted Jun 20, 2006·17 cites·11 claims
- 1276US5749928AMethod for reducing emissions from or increasing the utilizable energy of fuel for powering internal combustion enginesPLATINUM PLUS INC·Filed 1996·Granted May 12, 1998·34 cites·37 claims
- 1375US5017347AProcess for nitrogen oxides reduction and minimization of the production of other pollutantsFUEL TECH INC·Filed 1988·Granted May 21, 1991·38 cites·42 claims
- 1473US5215652AMethod for regenerating, replacing or treating the catalyst in a hydroprocessing reactorPLATINUM PLUS INC·Filed 1989·Granted Jun 1, 1993·21 cites·19 claims
- 1573US4997631AProcess for reducing nitrogen oxides without generating nitrous oxideFUEL TECH INC·Filed 1990·Granted Mar 5, 1991·35 cites·19 claims
- 1672US4863705AProcess for the reduction of nitrogen oxides in an effluentFUEL TECH INC·Filed 1987·Granted Sep 5, 1989·25 cites·42 claims
- 1770US5441713AHardness suppression in urea solutionsNALCO FUEL TECH·Filed 1991·Granted Aug 15, 1995·18 cites·12 claims
- 1869US4844878AProcess for the reduction of nitrogen oxides in an effluentFUEL TECH INC·Filed 1987·Granted Jul 4, 1989·29 cites·24 claims
- 1966US5069720AMethod and composition for the reduction of ammonia emissions from non-acidic residueFUEL TECH INC·Filed 1988·Granted Dec 3, 1991·20 cites·24 claims
- 2066US5047219AHybrid process for nitrogen oxides reductionFUEL TECH INC·Filed 1989·Granted Sep 10, 1991·26 cites·15 claims
- 2164US9771534B2Diesel exhaust treatment systems and methodsCLEAN DIESEL TECH INC·Filed 2013·Granted Sep 26, 2017·1 cites·17 claims
- 2262US4877590AProcess for nitrogen oxides reduction with minimization of the production of other pollutantsFUEL TECH INC·Filed 1988·Granted Oct 31, 1989·18 cites·41 claims
- 2360US4902488AProcess for nitrogen oxides reduction with minimization of the production of other pollutantsFUEL TECH INC·Filed 1988·Granted Feb 20, 1990·21 cites·41 claims
- 2460US4873066ALow temperature process for the reduction of nitrgen oxides in an effluentFUEL TECH INC·Filed 1989·Granted Oct 10, 1989·15 cites·10 claims
- 2560US4863704AMulti-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
- 2659US7868048B2Heavy oil emulsion stabilizers containing saccharide based emulsion stabilizerTECHNOL FUEL CONDITIONERS INC·Filed 2007·Granted Jan 11, 2011·0 cites·14 claims
- 2756US2005090565A1Heavy oil emulsion stabilizers containing saccharide based emulsion stabilizerFiled 2004·Application pending·0 cites
- 2853US2006260185A1Fuel Additive and Catalyst Treatment ProcessCLEAN DIESEL TECH INC·Filed 2006·Application pending·0 cites
- 2952US2007015656A1Fuel Additive and Fuel Treatment ProcessVALENTINE JAMES M·Filed 2006·Application pending·0 cites
- 3051US2005160724A1Reduced-emissions combustion utilizing multiple-component metallic combustion catalyst and lightly catalyzed diesel oxidation catalystFiled 2005·Application pending·0 cites
- 3151US2014298714A1Fuel Borne Catalysts for Sulfur Rich FuelsSPRAGUE BARRY·Filed 2013·Application pending·0 cites
- 3251US2005188605A1Reduced-emissions combustion utilizing multiple-component metallic combustion catalystFiled 2005·Application pending·0 cites
- 3350US4822577AMethod for the reduction of sulfur trioxide in an effluentFUEL TECH INC·Filed 1988·Granted Apr 18, 1989·14 cites·15 claims
- 3449US2004098905A1Low-emissions diesel fuel emulsionsFiled 2003·Application pending·0 cites
- 3548US2004172876A1Catalytic metal additive concentrate and method of making and usingFiled 2003·Application pending·0 cites
- 3645US2001001354A1Method and composition for reducing emissions from a gasoline engine equipped with a three-way catalytic converterFiled 2001·Application pending·0 cites
- 3744US2005164139A1Reduced-emissions combustion utilizing multiple-component metallic combustion catalyst and lightly catalyzed diesel particulate filterFiled 2005·Application pending·0 cites
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