| Patents for F01N 3 - Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust (61,059) |
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| 07/22/1999 | DE19801626A1 Catalyst diagnostics process for testing nitrogen oxide(s) storage capacity of i. c. engine exhaust gas catalyst |
| 07/22/1999 | DE19801625A1 Monitoring method for NOx storage catalytic convertors |
| 07/22/1999 | CA2318136A1 Combatting air pollution |
| 07/21/1999 | EP0930425A2 Exhaust emission control system for internal combustion engine |
| 07/21/1999 | EP0930422A1 Counterflow type particulate matter filter trap system having metal fiber filter |
| 07/21/1999 | EP0929739A1 Honeycomb body with reduced heat conductivity in inflow and outflow areas |
| 07/21/1999 | EP0929738A1 Honeycombed body with heat insulation, preferably for an exhaust gas catalyzer |
| 07/21/1999 | CN2329770Y Pulp-type dusting silencing purifier for vehicle |
| 07/20/1999 | US5925170 Electric dust-collection unit and air-cleaning apparatus using the same |
| 07/20/1999 | US5925156 Sintered metal filters |
| 07/20/1999 | US5924281 Air-fuel ratio control system for internal combustion engines |
| 07/20/1999 | US5924280 Reducing NOx emissions from an engine while maximizing fuel economy |
| 07/15/1999 | WO1999035431A1 Pipe connection |
| 07/15/1999 | WO1999035387A1 Monitoring of leaks in an exhaust treatment system of an internal combustion engine |
| 07/15/1999 | WO1999035386A1 Method for regenerating a nitrogen oxide trap in the exhaust system of an internal combustion engine |
| 07/15/1999 | WO1999035379A1 Temperature monitoring of an exhaust system having a cooling loop, for internal combustion engines |
| 07/15/1999 | WO1999035378A1 A silencer |
| 07/15/1999 | WO1999035374A1 System and method for controlling camshaft timing, air/fuel ratio and throttle position in an automotive internal combustion engine |
| 07/15/1999 | WO1999034906A2 Exhaust gas purifying system |
| 07/15/1999 | WO1999034902A1 Heatable catalytic converter arrangement having a water trap located upstream |
| 07/15/1999 | WO1999026722A3 Catalyst body |
| 07/15/1999 | DE19900310A1 Catalytic converter used in silencer of small engine of e.g. chain saw or portable generator |
| 07/15/1999 | DE19900148A1 Wound-spiral honeycomb, metal-sheet substrate for exhaust catalyst |
| 07/15/1999 | DE19857027A1 Metal carrier for a catalyst used in a vehicle engine exhaust system |
| 07/15/1999 | DE19800654A1 Beheizbare Katalysatoranordnung mit vorgeschalteter Wasserfalle Heated Catalyst arrangement with upstream water trap |
| 07/15/1999 | DE19753572A1 Catalytic purification of exhaust gases from diesel engine over wide temperature range |
| 07/14/1999 | EP0928890A2 Method for operating an NOx storage catalytic converter |
| 07/14/1999 | EP0928885A2 Exhaust gas device for an internal combustion engine and process for making such a device |
| 07/14/1999 | EP0928884A2 Mixture delivery device |
| 07/14/1999 | EP0928366A1 Secondary-air system for an internal combustion engine |
| 07/14/1999 | CN2328797Y Filtering, purifying and back combustion device for automobile waste gas |
| 07/14/1999 | CN1222636A Metallic carrier for catalyst |
| 07/14/1999 | CN1222635A Tail gas purifying and noise silencing device for motor vehicle |
| 07/13/1999 | US5921829 Outboard motor cooling system |
| 07/13/1999 | US5921217 Two cycle engine provided with catalyst |
| 07/13/1999 | US5921080 Oxidation catalytic converter system for small spark ignited engines |
| 07/13/1999 | US5921078 Diagnostic equipment for an exhaust gas cleaning apparatus |
| 07/13/1999 | US5921077 Method of monitoring a secondary air pump |
| 07/13/1999 | US5921076 Process and apparatus for reducing nitrogen oxides in engine emissions |
| 07/08/1999 | WO1999034098A1 Method and apparatus for removing particulates from the exhaust stream of an internal combustion engine |
| 07/08/1999 | WO1999033560A1 Catalyst for purifying exhaust gas, process for producing the same, and method for purifying exhaust gas |
| 07/08/1999 | WO1999033549A1 Catalytic converter system for internal combustion engine powere d vehicles |
| 07/08/1999 | WO1999033548A1 Regeneration of a nox storage catalytic converter of an internal combustion engine |
| 07/08/1999 | DE19753718C1 Verfahren zum Betreiben eines Dieselmotors A method of operating a diesel engine |
| 07/07/1999 | EP0927818A1 Engine control device |
| 07/07/1999 | EP0927571A2 Method for treating exhaust gases from an internal combustion engine using platinum/alumina nitrogen oxide absorbents |
| 07/07/1999 | CN2327789Y Device with metal carrier for purifying exhaust gas of IC engine |
| 07/07/1999 | CN1222219A Hybrid mounting system for pollution control devices |
| 07/07/1999 | CN1222127A Cerium oxide and zirconium oxide based compsn., method of prepn.and utilisation in catalysis |
| 07/07/1999 | CN1222097A Metal thin film for metal catalyst carrier and metal catalyst converter employing metal thin film |
| 07/06/1999 | US5919425 Catalyzed packing material for regenerative catalytic oxidation |
| 07/06/1999 | CA2182347C Exhaust gas cleaning device of outboard motor unit |
| 07/01/1999 | WO1999032766A1 Temperature control of emission control devices coupled to direct injection engines |
| 07/01/1999 | WO1999032215A1 Method of making a catalytic converter |
| 07/01/1999 | WO1999032214A1 Plasma assisted gas processing with titania |
| 07/01/1999 | WO1999032213A1 Plasma assisted gas processing with zirconia |
| 07/01/1999 | WO1999024165A8 Exhaust emission control catalyst element, catalyst structure, production method thereof, exhaust emission control apparatus and exhaust emission control method using the apparatus |
| 07/01/1999 | DE19857509A1 Water-cooled, temperature-controlled exhaust catalyst system |
| 07/01/1999 | DE19758018A1 Regeneration eines NOx-Speicherkatalysators eines Verbrennungsmotors Regenerating a NOx storage catalytic converter of an internal combustion engine |
| 07/01/1999 | DE19755600A1 Betrieb eines Verbrennungsmotors in Verbindungmit einem NOx-Speicherkatalysator Operating an internal combustion engine in Verbindungmit a NOx storage catalytic converter |
| 06/30/1999 | EP0926334A2 Device for recirculating exhaust gas and for preheating an exhaust gas cleaner |
| 06/30/1999 | EP0926327A2 Combustion controller for lean burn engines |
| 06/30/1999 | EP0926321A2 Deterioration determination apparatus for exhaust emission control device of internal combustion engine |
| 06/30/1999 | EP0925984A1 Exhaust system for a motor vehicle, as well as motor vehicle and process for making an exhaust system |
| 06/30/1999 | EP0925837A2 Power processor circuit and method for corona discharge pollutant destruction apparatus |
| 06/30/1999 | EP0925823A1 Exhaust emission control device and method of manufacturing the same |
| 06/30/1999 | EP0925431A1 Exhaust fume purification process for an internal combustion engine |
| 06/30/1999 | EP0925128A1 Method and device for making a metal corrugated sheet provided with a microstructure transverse to the corrugation |
| 06/30/1999 | EP0830501A4 Torch assembly |
| 06/30/1999 | CN2326731Y Low-noise low-pollution exhausting silencing device |
| 06/30/1999 | CN2326730Y Device for reducing pollution of waste gas of internal combustion engine |
| 06/30/1999 | CN1221518A Device and process for making electrical connection |
| 06/29/1999 | US5916530 Honeycomb automobile exhaust system catalytic reactor; cold starting, hot starting |
| 06/29/1999 | US5916135 Engine exhaust emission control system in outboard engine system |
| 06/29/1999 | US5916134 Catalytic converter provided with vortex generator |
| 06/29/1999 | US5916133 Automotive hydrocarbon adsorber system |
| 06/29/1999 | US5916132 Engine exhaust emission control system utilizing a catalyst carried in a porous flexible bag |
| 06/29/1999 | US5916131 Apparatus for purifying engine exhaust gas |
| 06/29/1999 | US5916130 Apparatus for detecting abnormality in internal combustion engine-related device and power output system with such apparatus |
| 06/29/1999 | US5916129 Control of exhaust emissions from an internal combustion engine |
| 06/29/1999 | US5916128 Sound deadening and catalyst treating system |
| 06/24/1999 | WO1999031368A1 Method for controlling the purge of a catalyst container treating an internal combustion engine exhaust gases |
| 06/24/1999 | WO1999031367A1 RUNNING OF AN INTERNAL COMBUSTION ENGINE IN CONJUNCTION WITH AN NOx-ACCUMULATOR CATALYTIC CONVERTER |
| 06/24/1999 | WO1999031362A1 Metal foil with openings |
| 06/24/1999 | WO1999031361A1 Device for the purification of gaseous waste |
| 06/24/1999 | WO1999030811A1 Method for reducing nitrogen oxides in exhaust gases containing oxygen, especially exhaust gases from internal combustion engines |
| 06/24/1999 | WO1999030810A1 Method and device for reducing the nitrogen oxides present in the waste gas of a combustion unit |
| 06/24/1999 | DE19755871A1 Exhaust gas catalyser heating method |
| 06/23/1999 | EP0924416A2 Control system for diesel engine during cold-engine warm-up period |
| 06/23/1999 | EP0924400A1 Exhaust apparatus for low NOx emission internal combustion engines and process for reducing NOx emitted in the exhaust gas |
| 06/23/1999 | EP0924399A2 Internal combustion engine having lean NOx catalyst |
| 06/23/1999 | EP0924398A2 Exhaust gas purifier and operating method thereof |
| 06/23/1999 | EP0923990A1 Composite catalyst for treatment of exhaust gas |
| 06/23/1999 | EP0923721A1 MONITORING SENSOR FOR NOx CATALYTIC CONVERTER |
| 06/23/1999 | EP0824376B1 Cyclone with spray electrode |
| 06/23/1999 | CN2325520Y Apparatus for purifying exhaust of motor vehicles |
| 06/23/1999 | CN1220620A Electrostatic precipitator and incinerator |
| 06/22/1999 | US5914187 Ceramic structural body |
| 06/22/1999 | US5914090 Apparatus comprising catalytic converter located downstream of engine, hydrocarbon trap arranged certain distance downstream, second catalytic converter downstream of trap |
| 06/22/1999 | US5914015 Method and apparatus for processing exhaust gas with corona discharge |