| Patents for F01N 3 - Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust (61,059) |
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| 04/04/1989 | US4818497 Ceramic catalytic converter elastically supported in metal casing |
| 04/04/1989 | US4818317 Masking, sealing through apetures, drying, solidification, and sintering |
| 04/04/1989 | US4817385 Temperature control apparatus for vehicular catalytic converters |
| 03/30/1989 | DE3731107A1 Process for the preparation of optically active alkenes |
| 03/30/1989 | DE3729683A1 Device for aftertreatment of the exhaust gases of small two-stroke spark ignition engines, and method for its manufacture |
| 03/30/1989 | DE3720685A1 Method for improving the reaction in combustion chambers and secondary reaction areas in the case of burners operated with solid and liquid fuels |
| 03/29/1989 | EP0308972A2 Apparatus and method for treating an exhaust gas from a diesel engine |
| 03/29/1989 | EP0308589A2 Check valve for a gas conduit |
| 03/29/1989 | EP0308525A1 Apparatus treating particulates in an exhaust gas from a diesel engine |
| 03/29/1989 | EP0167527B1 Apparatus for periodically oxidizing particulates collected from exhaust gases |
| 03/29/1989 | CN2034990U Sparks-extinguisher for diesel engine |
| 03/29/1989 | CN2034989U Incremental silencer for automobile |
| 03/28/1989 | US4816979 Circuit for regulating the high-voltage supply of an electrostatic filter |
| 03/28/1989 | US4816042 Scrubber-exhaust gas conditioner |
| 03/28/1989 | US4816038 Metal complexes of mannich bases with a schiff base |
| 03/28/1989 | US4815284 Exhaust manifold device |
| 03/28/1989 | CA1251743A1 Automatic initiation system for regenerating a particulate filter trap |
| 03/23/1989 | DE3828516C1 Soot particle filter regeneration - in which particles in filter for diesel engine exhaust fumes are burned off to regenerate filter by exothermic reaction |
| 03/22/1989 | EP0307656A2 Coagulator for an exhaust purification device of an internal-combustion engine |
| 03/22/1989 | EP0307414A1 Exhaust gas cleaning system for diesel engines. |
| 03/21/1989 | US4813233 Diesel particulate traps |
| 03/21/1989 | US4813231 Engine exhaust after-treatment device |
| 03/21/1989 | CA1251320A1 System for controlling ammonia injection rate |
| 03/16/1989 | DE3821143A1 Process and apparatus for burning off soot deposited on an exhaust gas filter |
| 03/16/1989 | DE3821138A1 Heating system for vehicles |
| 03/16/1989 | DE3729994A1 Apparatus for the catalytic purification of exhaust gases |
| 03/15/1989 | EP0306743A2 Soot filter process and soot filter device for a diesel engine |
| 03/15/1989 | EP0306705A2 Support structure for producing a catalytic reactor for purifying exhaust gas |
| 03/15/1989 | EP0306630A1 Process for the regeneration of the soot filter in a diesel exhaust engine system |
| 03/15/1989 | EP0236295B1 A filtering device for vehicle exhaust |
| 03/14/1989 | US4811559 Apparatus for removing soot from the exhaust gases of an internal combustion engine |
| 03/09/1989 | WO1989002029A1 Exhaust gas treatment for a two stroke engine |
| 03/08/1989 | EP0306049A2 Particule-burning device for the exhaust apparatus of a diesel engine |
| 03/07/1989 | US4810588 Nonnesting, straight corrugation metal foil and method for making same |
| 03/07/1989 | US4810554 High strength ceramic honeycomb structure |
| 03/07/1989 | US4809502 Power equipment |
| 03/07/1989 | CA1250809A1 Device for purifying the exhaust gases of diesel engines |
| 03/02/1989 | DE3728006A1 Blower drive for the regenerating device of a soot filter |
| 03/02/1989 | DE3727461A1 Piston engines with method for improving the reaction in engine combustion chambers and secondary reaction systems |
| 03/01/1989 | EP0304776A2 Reinforced metallic honeycomb structure |
| 03/01/1989 | EP0304762A1 Particulate trap |
| 02/23/1989 | WO1989001566A2 Particulate filter module |
| 02/23/1989 | DE3727217A1 Katalytischer wandler und substrattraeger Catalytic converters and substrattraeger |
| 02/22/1989 | EP0303754A1 Exhaust filter for compression ignition engines |
| 02/22/1989 | EP0165922B1 Regenerative filter trap system with apparatus for diverting the exhaust gas flow |
| 02/22/1989 | CN2033060U Ceramic honeycombing catalysis clarifier |
| 02/21/1989 | US4806726 Apparatus for machining a bent elongated member of variable configuration |
| 02/16/1989 | DE3825876A1 Method for the treatment of soot particles and exhaust emission control of an internal combustion engine and device for performing the method |
| 02/16/1989 | DE3823995A1 Foam-gas scrubber |
| 02/16/1989 | DE3726164A1 Device for raising the exhaust gas temperature of a diesel engine to the burn-off temperature of a soot burn-off filter arranged in the exhaust line |
| 02/16/1989 | DE3726163A1 Device for raising the exhaust gas temperature of a diesel engine to the burn-off temperature of a soot burn-off filter arranged in the exhaust line |
| 02/16/1989 | DE3726072A1 Soldering method |
| 02/14/1989 | US4803838 Diesel particulate infusion controller |
| 02/09/1989 | WO1989001090A1 Auxiliary combustion chamber for supercharged internal combustion engines |
| 02/09/1989 | WO1989001088A1 Process and device for separating soot particles and cleaning exhaust gases from an internal combustion engine |
| 02/09/1989 | DE3725587A1 Diesel engine exhaust soot filter - with one unit in filter action and the other being cleaned by burn-up of the soot |
| 02/08/1989 | EP0302252A2 Filter for small particles |
| 02/07/1989 | US4803345 Ceramic heater apparatus with metal electrodes |
| 02/07/1989 | US4803189 Layers of curved metal sheets; minimizes thermal stresses |
| 02/02/1989 | DE3724511A1 Device for the separation of particulates from the exhaust gas of an internal combustion engine |
| 02/01/1989 | EP0301950A1 Supercharged internal-comubustion engine provided withan auxiliary combustion chamber |
| 01/31/1989 | US4801283 Mixing tube assembly for marine propulsion system |
| 01/26/1989 | DE3723863A1 Multicylinder piston engines with method for improving the reaction in engine combustion chambers and secondary reaction systems |
| 01/26/1989 | DE3723703A1 Internal combustion engine with at least one soot filter |
| 01/26/1989 | DE3723478A1 Device for the removal of soot from the exhaust gas of an internal combustion engine |
| 01/26/1989 | DE3723470A1 Method for controlling the regeneration of a particulate filter |
| 01/26/1989 | DE3723154A1 Device for the removal of soot from the exhaust gas flow of an internal combustion engine |
| 01/26/1989 | DE3723153A1 Device for the removal of soot from the exhaust gas of an internal combustion engine |
| 01/25/1989 | CN2031447U Automobile exhaust silencing and purifying device |
| 01/19/1989 | DE3722636A1 Apparatus for exhaust gas and flue gas purification with or without filtering media, also for retaining, e.g., additives and catalysts |
| 01/19/1989 | DE3722503A1 Method for improving the exhaust gas behaviour of multi-cylinder spark-ignition engines with controlled exhaust-gas catalytic convertor |
| 01/18/1989 | EP0299626A2 Method of Protecting and Insulating a Catalytic Converter Block |
| 01/18/1989 | EP0299197A2 Electrostatic filter for cleaning gases |
| 01/12/1989 | WO1989000238A1 Apparatus for burning particulates in diesel engine exhaust gas |
| 01/12/1989 | DE3721810A1 Exhaust system for an internal combustion engine with two banks of cylinders |
| 01/12/1989 | DE3721486A1 Piston engines with a method for improving the reaction in the engine combustion chambers and secondary reaction areas |
| 01/11/1989 | EP0298943A2 A catalyst carrier |
| 01/11/1989 | EP0298379A1 Exhaust silencer |
| 01/10/1989 | US4797263 Exhaust gases; without extracting heat or adding back pressure |
| 01/04/1989 | CN2030259U Automobile exhaust silencer with purification effect |
| 01/03/1989 | US4795616 Expansion |
| 01/03/1989 | US4795615 Mounting for a metallic exhaust gas catalyst carrier body and method for manufacturing the same |
| 12/29/1988 | DE3819646A1 Internal combustion engine with a machine as power control element |
| 12/28/1988 | EP0296435A2 Method and apparatus for cleaning a soot filter |
| 12/27/1988 | US4793136 Reinforced metallic honeycomb structure |
| 12/22/1988 | DE3719773A1 Support body for a catalytic reactor |
| 12/22/1988 | DE3718714A1 Apparatus for raising the level of the combustion temperature in an internal combustion engine |
| 12/21/1988 | EP0295343A1 Method for producing ceramic honeycomb structural body |
| 12/21/1988 | CN87212803U Safty and ecnomizing energy exhaust muffler for internal combustion engine |
| 12/20/1988 | US4791785 Removal of particulate material from a gas |
| 12/20/1988 | CA1247075A1 Catalyst for purifying diesel engine exhaust gases |
| 12/15/1988 | WO1988009865A1 Exhaust gas cleaning device for diesel engines |
| 12/15/1988 | DE3718433A1 Piston engines with methods for improving the reaction in engine combustion chambers and secondary reaction areas |
| 12/15/1988 | DE3717204A1 Circular-disc-shaped body consisting of fibrous material, preferably metal fibres, in particular for use as grinding and/or polishing disc, and method for its manufacture |
| 12/13/1988 | US4790134 Outboard motor exhaust tube divider |
| 12/08/1988 | DE3815408A1 Exhaust device for multi-cylinder internal combustion engines |
| 12/07/1988 | EP0293985A1 Contacting devie for gas and solid particles |
| 12/07/1988 | CN87212774U Vehicle energy-saving fireproof cap |
| 12/07/1988 | CN87210019U Soundproofing brennschluss unit for vehicle |
| 12/06/1988 | US4788819 Apparatus for removing soot from the exhaust gases of an internal combustion engine, in particular a diesel engine |