| Patents for F01N 3 - Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust (61,059) |
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| 04/17/1990 | US4917024 Coal fired power plant with pollution control and useful byproducts |
| 04/17/1990 | US4916898 Method for treatment of exhaust gases |
| 04/17/1990 | US4916897 Exhaust gas purifying apparatus built-in to a muffler for a diesel engine |
| 04/11/1990 | EP0362483A1 Process for catalytic removal of nitrogen oxides from waste gases by a reducing agent |
| 04/11/1990 | CN1007537B Safety exhaust unit with reversal for ice |
| 04/10/1990 | US4916001 Unitized catalyst panel |
| 04/05/1990 | WO1990003220A1 Honeycomb structure, in particular catalyst support, composed of a plurality of interlaced bundles of sheet metal |
| 04/05/1990 | DE3833675A1 Support body for a catalytic reactor for exhaust gas purification |
| 04/03/1990 | US4914065 Controlling the temperature of waste gas |
| 04/03/1990 | US4913712 Filter for cleaning exhaust gases of diesel engines |
| 04/03/1990 | US4912928 Exhaust heat exchanger system |
| 04/03/1990 | US4912927 Engine exhaust control system and method |
| 04/03/1990 | US4912920 Ultrasonic burner system for regenerating a filter |
| 03/29/1990 | DE3929939A1 Exhaust gas fitter for IC engine - has electric heating element to burn off soot particles |
| 03/29/1990 | DE3838148C1 Exhaust line for a spark ignition internal combustion engine |
| 03/28/1990 | EP0360593A2 Method of producing porous ceramic honeycomb structural bodies |
| 03/28/1990 | EP0360591A2 Honeycomb structural body and method of producing the same |
| 03/28/1990 | EP0360548A1 A process for producing a denitration catalyst |
| 03/27/1990 | US4912776 Process for removal of NOx from fluid streams |
| 03/27/1990 | US4912076 Filter for cleaning exhaust gases of diesel engines |
| 03/27/1990 | US4910959 For an internal combustion engine |
| 03/22/1990 | DE3926831A1 Metal support for exhaust gas cleaning catalyst - has strip composites enclosed by outer and inner tubular housings |
| 03/22/1990 | DE3831616A1 Process for the production of support bodies for catalytic reactors for exhaust gas purification |
| 03/21/1990 | EP0359031A1 Filtering arrangement for removing soot particles from the exhaust gases of an internal-combustion engine |
| 03/21/1990 | EP0358919A1 Device for heating or combustion installations |
| 03/20/1990 | US4909994 Catalytic converter |
| 03/20/1990 | US4909318 Method and apparatus for recovering heat from flue gases and for cleaning the same |
| 03/14/1990 | EP0358522A2 Regenerable diesel particulate trap |
| 03/14/1990 | EP0358357A1 Engine exhaust control system |
| 03/14/1990 | EP0358140A1 Diesel engine exhaust gas purification device |
| 03/13/1990 | US4908047 Soot removal from exhaust gas |
| 03/13/1990 | US4907406 Combined gas turbine plant |
| 03/08/1990 | WO1990002252A1 Catalytic conversion device |
| 03/08/1990 | WO1990002251A1 Catalyzer housing and support, in particular for starting catalyzers |
| 03/08/1990 | WO1990002250A1 By-passable catalyzer, in particular disconnectable starting catalyzer |
| 03/07/1990 | EP0356907A2 Carrier body for a catalytic reacter for cleaning exhaust gas |
| 03/07/1990 | EP0356607A1 Stamp formed muffler and catalytic converter assembly |
| 03/06/1990 | US4905470 Electrostatic filter for removing particles from diesel exhaust |
| 03/01/1990 | DE3925251A1 Diesel engine with temp.-dependent fuel injection - uses temp. sensor to delay injection when exhaust catalyst reaches activation temp. |
| 03/01/1990 | DE3829491A1 Fuel feed to a regenerating burner |
| 03/01/1990 | DE3829448A1 Soot filter |
| 03/01/1990 | DE3829048A1 Method and apparatus for regenerating a soot-particle burn-off filter |
| 03/01/1990 | DE3828644A1 Branched exhaust line of an internal combustion engine |
| 02/28/1990 | EP0356040A2 Apparatus and method for removing particulate matter from the exhaust gases of an internal combustion engine |
| 02/28/1990 | EP0355729A1 Exhaust device for a multicylinder internal-combustion engine |
| 02/28/1990 | EP0355489A1 Internal combustion engine multi branch exhaust pipe |
| 02/28/1990 | CN2053668U Combination catalytic assemblies for exhaust purifer of automobile |
| 02/28/1990 | CN1040075A Apparatus and method for removing particulate matter from exhaust gases of internal combustion engine |
| 02/27/1990 | US4904540 Adhesion |
| 02/27/1990 | US4903485 Muffler cooling device for V-type engine |
| 02/27/1990 | US4903482 Two-stroke otto cycle engines |
| 02/22/1990 | WO1990001618A1 Apparatus and method for removing particulate matter from the exhaust gases of an internal combustion engine |
| 02/22/1990 | DE3827863A1 Catalytic exhaust gas purification apparatus |
| 02/21/1990 | EP0354977A1 Automobile muffler |
| 02/20/1990 | US4902487 Combusting particulate with gas containing no2 |
| 02/20/1990 | US4902309 Improved method for the ignition and combustion of particulates in diesel exhaust gases |
| 02/14/1990 | EP0354721A2 Porous ceramic honeycomb filter and method of producing the same |
| 02/14/1990 | CN2052816U Automobile fuel saving muffler and purifier |
| 02/14/1990 | CN1039548A Sintering metal powder into structures without sintering aids |
| 02/14/1990 | CN1039541A Catalyst-agglomerate bodies encapsulated in structure |
| 02/13/1990 | US4900517 Apparatus for the purification of exhaust gas from diesel motors |
| 02/13/1990 | US4900340 Contacting device for gas and solid particles |
| 02/13/1990 | US4900282 Exhaust gas purifying device for marine engine |
| 02/13/1990 | US4899540 Muffler apparatus with filter trap and method of use |
| 02/13/1990 | CA1265750A1 Growth compensating metallic exhaust gas catalyst carrier body and sheet metal for manufacturing the same |
| 02/08/1990 | DE3925022A1 Exhaust gas system for two=stroke engine - involves positioning of after burner in exhaust pipe |
| 02/08/1990 | DE3826600A1 Exhaust turbocharger with exhaust emission control device |
| 02/08/1990 | DE3826364A1 Branched exhaust line of an internal combustion engine |
| 02/08/1990 | DE3825958A1 Catalyst module for honeycomb-like catalyst elements |
| 02/07/1990 | EP0354097A1 Exhaust gas treatment device for a two-stroke internal-combustion engine |
| 02/07/1990 | EP0354053A2 Honeycomb structure and method of producing the same |
| 02/01/1990 | DE3825563A1 Surface craft, in particular for military purposes |
| 01/31/1990 | EP0353056A2 Honeycomb structure and method of producing the same |
| 01/31/1990 | CN2052048U Vehicle muffler with pollutionproof and fireproof functions |
| 01/30/1990 | US4897096 System for the regeneration of a particulate filter trap |
| 01/30/1990 | US4896503 Muffling and purifying device for combustion gases of general application |
| 01/30/1990 | CA1264951A1 Exhaust system including protective arrangements |
| 01/25/1990 | WO1990000439A1 Reduction of the ignition temperature of diesel soot |
| 01/25/1990 | WO1990000437A1 Process and device for purifying waste gases |
| 01/25/1990 | WO1989011781A3 Improved catalytic converter with screen enclosure holding pellets under tension |
| 01/25/1990 | DE3824763A1 Connected devices for diesel engines for reducing the soot particles contained in the exhaust gases |
| 01/24/1990 | EP0352015A1 Mini-monolith substrate and its formation |
| 01/24/1990 | EP0351841A1 A catalyst support for catalytic reactors |
| 01/23/1990 | US4895707 Soot burn-off filter for diesel engines |
| 01/23/1990 | US4894987 Stamp formed muffler and catalytic converter assembly |
| 01/18/1990 | DE3823550A1 Vehicle exhaust system with a catalytic converter body |
| 01/17/1990 | EP0351056A2 Sintering metal powders into structures without sintering aids |
| 01/17/1990 | EP0351036A1 Catalyst-agglomerate bodies encapsulated in a structure |
| 01/16/1990 | US4894074 Filter for cleaning exhaust gases of diesel engines |
| 01/11/1990 | WO1990000088A1 Catalytic assembly for use in cleaning exhaust gas |
| 01/11/1990 | WO1990000081A1 Exhaust smoke purifier |
| 01/11/1990 | DE3823205A1 Soot-filter plug for the purification of exhaust gases and soot-filter arrangement formed from soot-filter plugs |
| 01/11/1990 | DE3822944A1 Exhaust gas catalyst |
| 01/11/1990 | DE3822157A1 Method for the exhaust emission control of diesel engines |
| 01/10/1990 | EP0349788A1 Method and apparatus for controlling the regeneration of at least one particulate filter installed in a diesel engine |
| 01/09/1990 | US4891940 Muffler cooling structure for liquid-cooled engine system |
| 01/04/1990 | DE3902812C1 Electrostatic precipitator for the removal of particulates from the exhaust of internal-combustion devices or internal combustion engines and the catalytically initiated combustion of said particulates by means of an electric heating device |
| 01/03/1990 | EP0348576A2 Catalyst carriers and a process for producing the same |
| 01/03/1990 | EP0348575A2 Catalyst carriers and a process for producing the same |
| 01/03/1990 | EP0215014B1 Method for producing a catalyst |