Match Document Document Title
3413096 Converter-muffler  
3397154 Preparation of alumina-supported catalyst compositions and the products thereof  
3393668 Engine-exhaust-treatment system  
3389972 Inert gas generator  
3380810 Catalytic converter-muffler with a protected catalyst retainer means  
3370419 Device for purification of the exhaust gases of internal combustion engines  
3362783 Treatment of exhaust gases  
3338666 Preparation of a multilayer copper oxide catalyst for treatment of exhaust gases  
3325256 Automobile exhaust gas converter  
3307920 Apparatus for purifying exhaust gases  
3306035 Apparatus for treatment of exhaust gases from internal combustion engines  
3295919 Method of treating exhaust gases of internal combustion engines  
3290876 Engine exhaust gas decontaminating device  
3287899 Air pollution control system for internal combustion engine  
3254966 Means for effecting catalytic conversion of exhaust gas streams  
3255123 Formed catalyst shapes and method of preparation  
3247665 Catalytic muffler construction for exhaust emission control in an internal combustion engine system  
3247666 Manifold afterburner device for exhaust emissions control in an internal combustion engine system  
3239317 Muffler  
3236044 Heating system for motor vehicles  
3220179 Catalytic afterburner for internal combustion engines and the like  
3215507 Catalytic afterburner for combustible ingredients of the exhaust gases from internal-combustion engines  
3214246 Exhaust control apparatus  
3201206 Exhaust cleaner for motor vehicles  
3197955 Purification of internal combustion engine exhaust gas  
3181929 Method of inhibiting corrosion in purifying gases  
3181928 Process for purifying gases  
3180083 Gas processing method and apparatus  
3180712 Two-stage converter-muffler  
3176461 Internal combustion engine exhaust gas converters  
3177152 Method for the preparation of a molecular sieve-platinum catalyst  
3168368 Method of treating exhaust gases of internal combustion engines  
3166895 Catalytic muffling system for reducing contaminants in exhaust gases  
3163256 Muffler with ceramic honeycomb baffle  
3154387 Catalytic fuel oxidizer for exhaust gas treatment  
3154389 Device for catalytic exhaust treatment with particle separation  
3148036 Exhaust gas converter  
3134457 Engine exhaust muffler  
3116596 Flywheel air pump  
3109715 Catalytic afterburner  
3090676 Catalyst feed control device for catalytic converters  
3083524 Filter for the exhaust gases of internal combustion engines and the like  
3082597 Apparatus for injecting secondary air into engine exhaust gases and for other uses  
3083083 Device for catalytically combusting ingredients of exhaust gases  
3067002 Method of treating exhaust gases of internal combustion engines  
3065595 Catalytic converter system for internal combustion engines  
3061416 Catalytic muffler  
3054664 Apparatus for the catalytic conversion of vehicular exhaust gases  
3050375 Moving bed catalytic converter  
3045422 Temperature control of a catalytic exhaust purifier