| Patents for F01N 13 - Exhaust or silencing apparatus characterised by constructional features (23,537) |
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| 04/26/1994 | CA1328789C Manifold and manufacturing method thereof |
| 04/26/1994 | CA1328724C Compact vacuum insulation |
| 04/21/1994 | DE4243147C1 Personenkraftwagen mit einem Karosserieboden Passenger car with a body floor |
| 04/21/1994 | CA2100935A1 Exhaust gas conversion system using zeolite positioned close to exhaust gas source |
| 04/20/1994 | EP0592713A1 Engine exhaust system with reduced hydrocarbon emissions |
| 04/19/1994 | US5303547 Emissions control system and method |
| 04/16/1994 | CA2080676A1 Engine exhaust system with reduced hydrocarbon emissions |
| 04/14/1994 | WO1994008169A1 Flexible connection for two pipe sections, especially in motor vehicle exhaust systems |
| 04/14/1994 | DE4234436A1 Retro:fitted catalytic converter for motor vehicles - with casing filled with ceramic spheres coated with chromium@ and precious metal |
| 04/12/1994 | US5302783 Resonator |
| 04/12/1994 | US5301503 Vehicle internal combustion engine exhaust system |
| 04/07/1994 | DE4233644A1 Flexible Verbindungsanordnung für zwei Rohrteile, insbesondere bei Abgasanlagen von Kraftfahrzeugen Flexible connection arrangement for two tubular parts, in particular in exhaust gas systems of motor vehicles |
| 04/06/1994 | EP0590149A1 Gasket for high-temperature use |
| 04/06/1994 | EP0404879B1 Device for burning out solids, and process for manufacturing said device |
| 04/06/1994 | CN2160758Y Exhausting and silencing apparatus for motorcycle |
| 04/05/1994 | US5299961 Valve arrangement for an exhaust passage in a marine propulsion unit |
| 04/05/1994 | US5299837 Device for articulately interconnecting members of an exhaust line, in particular of an automobile vehicle |
| 04/05/1994 | US5299419 Gas flow headers for internal combustion engines |
| 03/31/1994 | DE4230667C1 Particle filter for diesel engine exhaust gas - has dividing wall in housing to give gas flows through channels each with a filter unit |
| 03/30/1994 | EP0542775B1 Monolithic metal honeycomb body with varying number of channels |
| 03/29/1994 | US5298794 Electrical anticorrosion device for marine propulsion device |
| 03/24/1994 | DE4303508C1 Metal conductor for exhaust systems - consists of U=shaped belt or rings with metal or ceramic lining or covering protruding over edges |
| 03/23/1994 | EP0587802A1 Improved internal combustion engine cylinder heads and similar articles of manufacture and methods of manufacturing same |
| 03/23/1994 | EP0587564A1 Exhaust gas purifying device for an internal combustion engine |
| 03/22/1994 | US5296198 Heater and catalytic converter |
| 03/22/1994 | US5295881 Marine propulsion device with coolant water passages |
| 03/22/1994 | US5295652 For suspending articles |
| 03/22/1994 | CA1327873C Ceramic coating on metal |
| 03/17/1994 | DE4230891A1 Coupling for two pipe ends of vehicle exhaust - has pipe with metal circular disks at ends with welded metal hose to retain metal mesh |
| 03/17/1994 | DE4230595A1 Automotive catalytic converter assembly having latent heat storage medium - comprises outer housing surrounding layer of heat insulation |
| 03/17/1994 | DE4230278A1 Circular or polygonal clasp hose - has profiled section on band edge at internal or external layer. |
| 03/17/1994 | DE4228188A1 Reabsorbing pipe for connecting engine exhaust - has hydrostatically formed inlet pipe unbroken over series of curves |
| 03/17/1994 | DE4224172A1 Gasreinigungsvorrichtung Gas cleaning device |
| 03/16/1994 | EP0587474A1 Joint device between two members especially for exhaust pipes of motor vehicles |
| 03/15/1994 | US5294411 Ceramic carrier having walls with channels for gas flow and a catalytically active surface layer as an electrical auxillary heater |
| 03/15/1994 | US5293744 Exhaust manifold muffler for an internal combustion engine |
| 03/15/1994 | US5293743 Low thermal capacitance exhaust processor |
| 03/15/1994 | US5293741 Warming-up system for warming up an engine for an automotive vehicle |
| 03/10/1994 | DE4310961C1 Selective catalytic nitrogen oxide(s) redn. in exhaust gas - by stepwise reductant supply to catalyst sections on attaining minimum temp. after engine starting |
| 03/10/1994 | DE4229954A1 Exhaust gas soot filter assembly with connectors for external electrical power supply and filter insert of sintered metal fleece - facilitating heat treatment of particles in absence of other heat treatment of gases |
| 03/10/1994 | DE4229721A1 Spacer with collar holding monolithic catalyst honeycomb sections - and inside spacing flange, for removing nitrogen oxide, hydrocarbon, carbon mon:oxide, organic chlorine or inorganic fluorine cpds. from waste gas |
| 03/10/1994 | DE4229541A1 Removing snow and ice in front of car drive wheels - involves pipe from gas exhaust, guiding exhaust gas onto road in front of car drive wheels |
| 03/09/1994 | EP0585909A1 Bearing arrangement for the exhaust manifold of an internal combustion engine |
| 03/09/1994 | EP0585572A1 Apparatus and method for modifying gaseous mixtures |
| 03/09/1994 | EP0506686B1 Exhaust pipe with helical-flow catalyst support |
| 03/08/1994 | CA2043295C Exhaust gas purification system for an internal combustion engine |
| 03/08/1994 | CA2026668C Recirculatory system |
| 03/05/1994 | CA2077617A1 Exhaust system |
| 03/03/1994 | WO1994004800A1 Process for monitoring the operation of a catalytic converter |
| 03/03/1994 | DE4244315A1 Catalytic cleaning appts. for exhaust gas - using catalyst in tube with conical transition piece with prevention of damage to catalyst by fixing inner cone, at end nearest catalyst, to tube and transition piece |
| 03/03/1994 | DE4228863A1 Catalytic converter circular heat screen with corrugated profile - facilitating construction of thin-walled ring allowing core expansion |
| 03/03/1994 | DE4228187A1 IC engine exhaust gas high performance header - has header pipes hydrostatically deformed, with transition-free, arcuated course |
| 03/02/1994 | EP0584180A1 Boat propeller drive unit |
| 03/02/1994 | CN1083171A Silencing equipment of small motor bicycle |
| 03/01/1994 | US5290974 Tab and notch locator for exhaust systems |
| 03/01/1994 | US5290157 Clamp for attaching an aquarium power head |
| 03/01/1994 | CA2023946C Muffler of industrial engine |
| 02/24/1994 | DE4328125A1 Exhaust gas cleaning system for motor vehicle IC engine - has first cleaning treatment section arranged in exhaust system along with catalyser in main exhaust passage and by=pass passage downstream of this section. |
| 02/23/1994 | CN1082662A Catalytic solution |
| 02/22/1994 | CA1327194C Vehicule exhaust hanger with spaced bearings and compound resilience |
| 02/17/1994 | WO1994003710A1 Exhaust gas preheating system |
| 02/17/1994 | CA2140751A1 Exhaust gas preheating system |
| 02/16/1994 | EP0582985A1 Exhaust manifold |
| 02/16/1994 | EP0582917A1 An exhaust gas purification device for an engine |
| 02/16/1994 | EP0582743A1 Catalytic reduction of NOx and carbon monoxide using methane in the presence of oxygen |
| 02/16/1994 | CN1081931A Catalytic reduction of nox and carbon monoxide using methane in the presence of oxygen |
| 02/15/1994 | US5285640 Integrated post-engine emissions heater, catalytic converter and muffler |
| 02/14/1994 | CA2077202A1 Catalytic reduction of nox and carbon monoxide using methane in the presence of oxygen |
| 02/10/1994 | DE4326372A1 Exhaust gas cleaning system for IC engine using catalyser - uses heating system with wind guard to introduce heated air at air inlet pipe upstream of catalyser connected to exhaust gas pipe |
| 02/10/1994 | DE4310962C1 Common exhaust gas unit for several engines - has common exhaust pipe with branch pipes contg. individual SCR catalysts |
| 02/09/1994 | EP0582205A1 Exhaust manifold |
| 02/09/1994 | EP0582106A1 Exhaust pipe |
| 02/09/1994 | EP0581784A1 Electrically heatable honeycomb body |
| 02/08/1994 | US5284451 Discharge device for a water-cooled engine |
| 02/08/1994 | CA2016381C Two cycle engine catalytic emission control |
| 02/06/1994 | CA2096197A1 Apparatus and method for modifying gaseous mixtures |
| 02/03/1994 | WO1994002720A1 Gas cleaning device with a filter |
| 02/03/1994 | DE4225360A1 Connection for two sections of vehicle exhaust pipe - comprises section with circumferential grooves at ends accommodating sealing rings all being covered by sleeve and held in collar |
| 02/02/1994 | EP0581279A2 An exhaust gas purification device for an engine |
| 02/02/1994 | EP0581190A1 A device to clean catalytically the exhaust gases of internal combustion engines |
| 02/02/1994 | EP0580963A1 Articulated pipe |
| 02/02/1994 | CN1081492A Constructure of waste gas discharging tube with catalyst muffler |
| 02/01/1994 | US5282727 Aquarium power head with integral muffler |
| 02/01/1994 | US5282361 Device for facilitating exhaust action of an internal combustion engine |
| 01/27/1994 | DE4324458A1 Water-cooled exhaust pipe element - has extra shell over outer pipe forming sealed cooled interspace to reduce operational temp. |
| 01/27/1994 | DE4224499A1 Flange connection between two exhaust gas pipes - has thermal insulation between inner gas pipe and flange and outer pipe to reduce temp. of the flange. |
| 01/26/1994 | EP0580389A1 Exhaust gas purification apparatus for an internal combustion engine |
| 01/26/1994 | EP0579956A1 Catalytic converter for internal combustion engines |
| 01/26/1994 | EP0579803A1 Regenerable diesel exhaust filter |
| 01/25/1994 | US5281778 Vehicular muffler with heat shield |
| 01/25/1994 | US5280888 Resilient buffer made of metal wire |
| 01/25/1994 | US5280708 Exhaust gas purifying device for an outboard motor |
| 01/20/1994 | WO1994001660A1 Low nox cogeneration process and system |
| 01/20/1994 | WO1994001659A1 Inlet or exhaust line for reciprocating machine |
| 01/20/1994 | WO1994001230A1 Device at exhaust-gas extraction hoses |
| 01/20/1994 | DE4223648A1 Katalytische Abgasreinigungsvorrichtung Catalytic exhaust gas purification device |
| 01/20/1994 | CA2139953A1 Device at exhaust-gas extraction hoses |
| 01/20/1994 | CA2138983A1 Low nox cogeneration process and system |
| 01/19/1994 | EP0541585B1 Electrically heated honeycomb body, in particular a catalytic converter body, with internal support structures |
| 01/19/1994 | EP0379591B1 Exhaust smoke purifier apparatus |