| Patents for F01N 3 - Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust (61,059) |
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| 06/24/1997 | US5640847 Catalyst deterioration diagnosis system for internal combustion engine |
| 06/24/1997 | US5640845 For an internal combustion engine |
| 06/19/1997 | WO1997021911A1 A single mode resonant cavity |
| 06/19/1997 | WO1997021489A1 Turbulence inducer in chemical reactor |
| 06/19/1997 | WO1997015468A3 Method and device for detecting and documenting damage to catalytic converters |
| 06/19/1997 | DE19652275A1 Engine exhaust cleaning system |
| 06/19/1997 | DE19651932A1 Exhaust system for two-stroke internal combustion engine |
| 06/19/1997 | DE19617563C1 Exhaust gas catalyst for a diesel motor |
| 06/19/1997 | CA2240399A1 A single mode resonant cavity |
| 06/18/1997 | EP0779416A1 Method for detection of performance reduction of exhaust gas purification catalyst |
| 06/18/1997 | EP0779415A1 Reactor chamber for catalytic cleaning of combustion exhausts |
| 06/18/1997 | EP0779206A1 Engine exhaust emission control system in outboard engine system |
| 06/18/1997 | EP0779096A1 Process and device for catalytic gas purification |
| 06/18/1997 | EP0779095A1 Process and device for catalytic gas purification |
| 06/18/1997 | EP0778918A1 Catalytic reactor |
| 06/18/1997 | CN1035155C Module for filtering, separating, purifying gases or liquids, or catalytic conversion |
| 06/12/1997 | WO1997020619A1 Method of controlling emission from gasoline engine |
| 06/12/1997 | DE4498478C2 Temperature estimating method for catalyst of vehicle |
| 06/12/1997 | DE19650671A1 Control device for controlling IC engine with an electrically heated catalyst |
| 06/12/1997 | DE19645955A1 Diesel engine catalyst sub=divided into low and high temperature zones |
| 06/12/1997 | DE19611363C1 Multicylinder piston internal combustion engine |
| 06/11/1997 | EP0778401A2 Method for monitoring the operation of a hydrocarbon adsorber |
| 06/11/1997 | EP0778400A1 Apparatus for controlling power supplied to an electrically heated catalyst attached to an exhaust gas passage of an internal combustion engine |
| 06/11/1997 | EP0778072A2 Lean-burn Nox catalyst/Nox trap system |
| 06/11/1997 | EP0777824A1 Exhaust-gas system for an internal-combustion engine |
| 06/11/1997 | EP0584350B1 Two stroke internal combustion engine exhaust line |
| 06/11/1997 | CN1151474A Work method of power station equipment |
| 06/10/1997 | US5636619 Method and apparatus for reducing cold-phase emissions by utilizing oxygen-enriched intake air |
| 06/10/1997 | US5636511 For ignition of fuel in admixture with air within a gas combustor |
| 06/05/1997 | WO1997020134A1 Supercharging arrangement for the charge air of an internal combustion engine |
| 06/05/1997 | WO1997015752A3 Method of monitoring a secondary air pump |
| 06/03/1997 | US5635141 Radial flow exhaust catalytic converter |
| 06/03/1997 | US5634952 Exhaust gas filter and apparatus for treating exhaust gases using the same |
| 06/03/1997 | US5634784 Catalytic method |
| 06/03/1997 | US5634333 Of an automotive engine |
| 06/03/1997 | US5634332 Exhaust gas purification apparatus |
| 06/03/1997 | US5634331 Exhaust gas-purifying device for internal combustion engines |
| 06/03/1997 | US5634330 Process for checking a burner system for heating a catalytic converter |
| 05/29/1997 | WO1997019262A1 Method and device for purifying exhaust gas of engine |
| 05/29/1997 | WO1997019261A1 Exhaust emission control device for internal combustion engines |
| 05/28/1997 | EP0775808A1 Process for manufacturing the body of a catalyst for the catalytic treatment of gases, catalytic body and catalyst |
| 05/28/1997 | EP0775807A1 Exhaust emission control device for internal combustion engines |
| 05/28/1997 | EP0775523A1 Catalytic converter, process for its manufacture, and exhaust line element equipped therewith |
| 05/28/1997 | EP0775013A1 Method for the catalytic reaction of oxides of nitrogen in the exhaust from an internal-combustion engine |
| 05/28/1997 | EP0689641B1 Process and device for monitoring the operation of a catalytic converter |
| 05/28/1997 | DE19611150A1 Particle filter for internal combustion engine |
| 05/28/1997 | CN2254956Y Throat like suction type exhaust for diesel locomotive |
| 05/27/1997 | US5633481 Exhaust pipe construction |
| 05/27/1997 | US5632961 Catalytic converter |
| 05/27/1997 | US5632660 Watercraft catalytic exhaust system |
| 05/27/1997 | US5632144 Exhaust gas re-circulation control device for internal combustion engines |
| 05/22/1997 | DE19542886A1 Exhaust cleaning system for diesel engine with soot collection and combustion |
| 05/21/1997 | EP0774099A1 Catalytic purification device |
| 05/21/1997 | EP0774055A1 Catalytic converter |
| 05/21/1997 | EP0774054A1 Combatting air pollution |
| 05/21/1997 | EP0774053A1 Catalytic converter unit for motor exhausts |
| 05/21/1997 | CN1150215A Improved IC engine purifying silencer and manufacturing technique thereof |
| 05/21/1997 | CN1150214A Device for energy-saving and purifying tail gas of automobile and motorcycle |
| 05/20/1997 | US5630866 Static electricity exhaust treatment device |
| 05/20/1997 | CA2036006C Catalyst for the purification of the exhaust gases of internal combustion engines |
| 05/15/1997 | WO1997017618A1 Process for checking parts of motor vehicle systems |
| 05/15/1997 | WO1997017532A1 Method and device for purifying exhaust gas of engine |
| 05/15/1997 | WO1997010882A3 Filter or catalytic-converter device |
| 05/15/1997 | DE19646151A1 Exhaust treatment for IC engine |
| 05/15/1997 | DE19645577A1 Exhaust quality monitor for IC engine |
| 05/14/1997 | EP0773354A1 Device for purifying exhaust gas of engine |
| 05/14/1997 | EP0773057A1 Exhaust gas purifying catalyst |
| 05/14/1997 | EP0773056A1 Method for purifying an exhaust gas from a diesel engine |
| 05/14/1997 | EP0772739A1 Method and device for controlling a heating element in a motor vehicle |
| 05/14/1997 | EP0648313B1 Low nox cogeneration process and system |
| 05/14/1997 | EP0558501B1 Catalytic reactor and method of controlling emissions |
| 05/14/1997 | CN1149841A Honeycomb body made of sheet-metal layers of different initial materials |
| 05/13/1997 | US5629067 Ceramic honeycomb structure with grooves and outer coating, process of producing the same, and coating material used in the honeycomb structure |
| 05/13/1997 | US5628975 Flow-through honeycomb carrier for catalytic material |
| 05/13/1997 | US5628928 Method for reducing the potential difference in an electrically heatable converter by connecting the strip heater to corrugated strip with an electrical conductor |
| 05/13/1997 | US5628925 Process for manufacturing a coated, monolithic metal support |
| 05/13/1997 | US5628186 Method and apparatus for controlled introduction of a reducing agent into a nitrogen oxide-containing exhaust gas |
| 05/09/1997 | WO1997016633A1 Cooling system for a vehicle with an internal combustion engine |
| 05/09/1997 | WO1997016632A1 Exhaust emission control apparatus for internal combustion engine |
| 05/09/1997 | WO1997016631A2 Process for testing the operation of a catalytic converter with an oxygen sensor |
| 05/09/1997 | WO1997016250A1 Process for preparing 1,3-propanediol |
| 05/09/1997 | WO1997013055A3 Process and device for metering the introduction of a reducing agent into the waste gas or air stream of a combustion unit |
| 05/09/1997 | WO1997012129A3 Process and device for reacting a pollutant in an exhaust gas on a catalyst |
| 05/07/1997 | EP0771391A1 Muffler with catalytic converter |
| 05/07/1997 | DE19645064A1 Motor vehicle IC engine control system with improved catalytic converter exhaust gas cleaning efficiency |
| 05/07/1997 | DE19540943A1 Verfahren zur Überprüfung von Fahrzeugteilsystemen bei Kraftfahrzeugen Proceedings for review of vehicle subsystems in motor vehicles |
| 05/07/1997 | DE19540673A1 Verfahren zur Überprüfung der Funktionsfähigkeit eines Katalysators mit einem Sauerstoffsensor Method for checking the operation of a catalyst with an oxygen sensor |
| 05/06/1997 | US5627351 Spark arrester for an exhaust unit of a vehicle |
| 05/02/1997 | EP0770768A1 Device for evaluating catalyst performance deterioration |
| 05/02/1997 | EP0770766A1 A diesel engine exhaust particle collection device |
| 05/02/1997 | EP0678153B1 Exhaust system |
| 05/02/1997 | EP0566748B1 Method of making metallic catalyst carrier |
| 05/01/1997 | WO1997015752A2 Method of monitoring a secondary air pump |
| 05/01/1997 | WO1997015750A2 Process for regulating the fuel-oxygen ratio of exhaust gas upstream of a catalytic converter |
| 05/01/1997 | WO1997015468A2 Method and device for detecting and documenting damage to catalytic converters |
| 05/01/1997 | WO1997015393A1 Honeycomb element of sheet-metal layers with reinforcement features |
| 05/01/1997 | WO1997015374A1 Particulate filter regeneration using microwave energy |
| 04/30/1997 | DE19644139A1 Vehicle exhaust gas-cleaning system |
| 04/30/1997 | DE19643674A1 Engine exhaust gas catalyser temp. detector |
| 04/30/1997 | DE19539938A1 Verfahren zur Überprüfung einer Sekundärluftpumpe Method for checking a secondary air pump |