Inventor
SPRAGUE BARRY N
US25 patents
⚠️ This page may combine multiple inventors who share the name “SPRAGUE BARRY N”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUEL TECH INC
15 patentsUS4891050AJan 2, 1990
Gasoline additives and gasoline containing soluble platinum group metal compounds and use in internal combustion engines
FUEL TECH INC128 citations97
US4892562AJan 9, 1990
Diesel fuel additives and diesel fuels containing soluble platinum group metal compounds and use in diesel engines
FUEL TECH INC122 citations96
US5057293AOct 15, 1991
Multi-stage process for reducing the concentration of pollutants in an effluent
FUEL TECH INC59 citations95
US5047219ASep 10, 1991
Hybrid process for nitrogen oxides reduction
FUEL TECH INC26 citations92
US5017347AMay 21, 1991
Process for nitrogen oxides reduction and minimization of the production of other pollutants
FUEL TECH INC38 citations92
US4997631AMar 5, 1991
Process for reducing nitrogen oxides without generating nitrous oxide
FUEL TECH INC35 citations92
US4863705ASep 5, 1989
Process for the reduction of nitrogen oxides in an effluent
FUEL TECH INC25 citations92
US4844878AJul 4, 1989
Process for the reduction of nitrogen oxides in an effluent
FUEL TECH INC29 citations92
US4752302AJun 21, 1988
Method and composition for improving flame combustion of liquid carbonaceous fuels
FUEL TECH INC39 citations92
US5069720ADec 3, 1991
Method and composition for the reduction of ammonia emissions from non-acidic residue
FUEL TECH INC20 citations82
US4902488AFeb 20, 1990
Process for nitrogen oxides reduction with minimization of the production of other pollutants
FUEL TECH INC21 citations81
US4863704ASep 5, 1989
Multi-stage process for reducing the concentration of pollutants in an effluent using an ammonium salt
FUEL TECH INC21 citations81
US4877590AOct 31, 1989
Process for nitrogen oxides reduction with minimization of the production of other pollutants
FUEL TECH INC18 citations73
US4873066AOct 10, 1989
Low temperature process for the reduction of nitrgen oxides in an effluent
FUEL TECH INC15 citations73
US4822577AApr 18, 1989
Method for the reduction of sulfur trioxide in an effluent
FUEL TECH INC14 citations73
PLATINUM PLUS INC
5 patentsUS5693106ADec 2, 1997
Platinum metal fuel additive for water-containing fuels
PLATINUM PLUS INC67 citations96
US5266083ANov 30, 1993
Method for reducing pollution emissions from a diesel engine
PLATINUM PLUS INC64 citations95
US5034020AJul 23, 1991
Method for catalyzing fuel for powering internal combustion engines
PLATINUM PLUS INC86 citations95
US5749928AMay 12, 1998
Method for reducing emissions from or increasing the utilizable energy of fuel for powering internal combustion engines
PLATINUM PLUS INC34 citations90
US5215652AJun 1, 1993
Method for regenerating, replacing or treating the catalyst in a hydroprocessing reactor
PLATINUM PLUS INC21 citations90
CLEAN DIESEL TECH INC
3 patentsUS6003303ADec 21, 1999
Methods for reducing harmful emissions from a diesel engine
CLEAN DIESEL TECH INC129 citations97
US6948926B2Sep 27, 2005
Reduced-emissions combustion utilizing multiple-component metallic combustion catalyst
CLEAN DIESEL TECH INC30 citations92
US7063729B2Jun 20, 2006
Low-emissions diesel fuel
CLEAN DIESEL TECH INC17 citations84