| Patents for F01N 13 - Exhaust or silencing apparatus characterised by constructional features (23,537) |
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| 03/06/1991 | EP0415101A1 Exhaust system, in particular, device for the purification of exhaust gas |
| 03/06/1991 | EP0414832A1 Heat-resistant exhaust manifold and method of preparing same |
| 03/05/1991 | CA1280978C Marine engine exhaust muffler with swim platform |
| 02/27/1991 | EP0413998A1 Device for the purification of exhaust gases |
| 02/26/1991 | US4995233 Propulsion system for a boat |
| 02/21/1991 | WO1991002143A1 Insulated exhaust pipe and method and means for producing and connecting same |
| 02/21/1991 | WO1991001795A1 Method of treating exhaust gas |
| 02/21/1991 | DE3926919A1 Gas conveyor duct for combustion engine - has insulating lining of metal casing and connecting ceramic fibre layer, with elastic expansion pieces |
| 02/20/1991 | EP0413236A1 Heat shield |
| 02/19/1991 | US4993513 Muffler |
| 02/19/1991 | US4993512 Exhaust duct part in particular for an internal combustion engine |
| 02/14/1991 | DE3926429A1 Thermally insulated tubular component prodn. - by internally flame-spray coating ceramic shell and casting around metal outer casing |
| 02/13/1991 | CN2071254U Large diameter column foamed ceramic body |
| 02/07/1991 | DE3925845A1 Catalytic exhaust cleaner housing shells - have sealing mat engaged by tags formed from inner shell layer |
| 02/07/1991 | DE3925802A1 Exhaust manifold for use with turbo-charger - has set steel tubes fixed between cast flanges |
| 02/06/1991 | EP0411561A1 Catalytic muffler structure for engines |
| 02/06/1991 | EP0411246A1 A muffler holding member |
| 01/30/1991 | EP0410089A1 Flexible pipe component for exhaust conduits of internal combustion engines used on vehicles |
| 01/29/1991 | CA1279579C Suction sound damper |
| 01/29/1991 | CA1279578C Low energy regeneration system for particulate trap for an internal combustionengine |
| 01/23/1991 | EP0408772A1 Exhaust gas cleaning method |
| 01/16/1991 | EP0225335B1 Pipe lap joint with improved pull-apart strength |
| 01/16/1991 | CN1048581A Process for regeneration of soot filters on diesel engines |
| 01/15/1991 | US4985388 Catalytic exhaust pipe insert |
| 01/15/1991 | US4985210 Exhaust gas purifying apparatus for automobile |
| 01/11/1991 | WO1991000958A1 In-line noise attenuation device for a gas conduit |
| 01/11/1991 | CA2063708A1 In-line noise attenuation device for a gas conduit |
| 01/10/1991 | DE3920844A1 Monolithic ceramic element for use as soot filter - comprising segments split into sections sepd. by expansion gaps filled by binder |
| 01/10/1991 | DE3920600A1 Double walled pipe with insulating layer - is used as vehicle exhaust pipe and has pin for bending it into shape |
| 01/09/1991 | EP0406838A2 Combined heat and power plant |
| 01/09/1991 | EP0238649B1 Propeller tunnel baffle |
| 01/08/1991 | US4983135 Apparatus and method for cooling exhaust in an outboard marine propulsion system |
| 01/02/1991 | EP0405310A2 Process for regenerating soot filters of diesel engines |
| 01/02/1991 | CA1278524C Stamp formed muffler with multiple low frequency resonating chambers |
| 01/01/1991 | US4981452 Surface drive outboard with improved transmission |
| 12/27/1990 | EP0404320A2 Two cycle engine emission control apparatus |
| 12/20/1990 | DE3919533A1 Soot burning filter for diesel engine - incorporates fine mesh located after filter |
| 12/20/1990 | DE3919343A1 Burning off soot in catalytic diesel engine exhaust system - in cold conditions, by localised hot air stream maintaining ignition temp. |
| 12/18/1990 | US4977977 Marine engine external exhaust noise suppressor with swim platform |
| 12/13/1990 | WO1990015229A1 Hollow pivotable coupling |
| 12/13/1990 | DE3918988A1 Join for two pipes, of exhaust pipe for example - has coaxial space containing support pads made of temperature and corrosion resistant material |
| 12/13/1990 | DE3918601A1 Pre and main converters for treatment of exhaust gas - pass gases directly to main converter when gas temp. is high enough for effective main converter operation |
| 12/12/1990 | EP0401646A1 Metallic core member for catalytic converter and catalytic converter containing same |
| 12/12/1990 | EP0401284A1 Internal combustion engine turbosystem and method |
| 12/11/1990 | USRE33488 Marine vessel with internal combustion engine having an exhaust pipe |
| 12/11/1990 | US4976638 Surface drive for marine craft having inboard engine |
| 12/05/1990 | EP0401195A2 Exhaust system, particularly for two-cycle internal combustion engines |
| 12/04/1990 | US4975314 Silicated oxide at metal-ceramic interface |
| 11/29/1990 | WO1990014506A1 Device for cleaning hot gases from combustion engines |
| 11/28/1990 | EP0399880A1 Flexible exhaust tube coupling |
| 11/27/1990 | US4972921 Muffler for internal combustion engines |
| 11/27/1990 | US4972674 Heat insulating ceramic insert-cast articles for use in exhaust channels in internal combustion engines and a process for producing the same |
| 11/27/1990 | CA1276892C Tuned self-damping convoluted conduit |
| 11/22/1990 | EP0398086A1 Connector for two pipes of a hot medium conduit |
| 11/20/1990 | US4971612 Reclassifying silencer |
| 11/20/1990 | US4970859 Exhaust gas deflector for truck exhaust stacks |
| 11/15/1990 | DE4014214A1 Insulating gap between honeycomb catalyser matrix and casing - in vehicle exhaust purifier is bridged by helical or annular fins |
| 11/14/1990 | EP0396753A1 Silencer for combustion exhaust gas |
| 11/13/1990 | US4969537 Muffler assembly and method of manufacture |
| 11/13/1990 | US4969445 Device for exhaust gas recirculation on a multi-cylinder diesel internal combustion engine |
| 11/13/1990 | US4969330 Two cycle engine catalytic emission control |
| 11/13/1990 | US4969329 Two cycle engine with exhaust emission control |
| 11/13/1990 | US4969328 Diesel engine exhaust oxidizer |
| 11/07/1990 | EP0396262A2 Two cycle engine with exhaust emission control |
| 11/05/1990 | CA2015916A1 Two cycle engine with exhaust emission control |
| 11/01/1990 | WO1990012950A1 Diesel-soot filter with additional device for reducing oxides of nitrogen and/or oxidizing carbon monoxide |
| 10/31/1990 | EP0394451A1 Muffler |
| 10/31/1990 | EP0394284A1 Particulate filter module |
| 10/30/1990 | US4966567 Marine propulsion device |
| 10/30/1990 | US4966253 Muffler device for exhaust systems |
| 10/30/1990 | US4965997 Exhaust system for outboard motor |
| 10/24/1990 | EP0393257A1 Diesel soot filter with an additional arrangement for the reduction of nitrogen oxides and/or the oxidation of carbon monoxide |
| 10/18/1990 | DE4011753A1 Exhaust gas filter for Diesel engine - incorporates mineral fibre pad with catalytic material |
| 10/18/1990 | DE3911809A1 Exhaust manifold for naturally aspirated engine - incorporates convergent outlet pipe which forms thrust nozzle |
| 10/17/1990 | EP0392575A2 Exhaust gas cleaner with catalytic activity, and silencer for internal combustion engines |
| 10/16/1990 | US4963110 Exhaust system for marine propulsion |
| 10/16/1990 | CA1275257C Weather cap for upstanding exhaust pipes |
| 10/11/1990 | DE3911244A1 Method and apparatus for the assembly of hollow bodies |
| 10/10/1990 | EP0391026A2 Device for decoupling two pipe parts |
| 10/10/1990 | EP0391014A2 Absorption silencer for internal combustion engines, especially for all-terrain vehicles |
| 10/10/1990 | EP0390858A1 Mixing tube assembly for marine propulsion system |
| 10/09/1990 | USRE33370 Stamp formed muffler |
| 10/09/1990 | US4961403 Engine generator set for a vehicle |
| 10/09/1990 | US4961314 Tuned exhaust processor assembly |
| 10/03/1990 | EP0390057A1 Suitable train of pipes for replacement of a pipe section, method for replacement of such pipe section and with this method the production of train of pipes |
| 10/03/1990 | EP0287574B1 Exhaust-pipe for supercharged multi-cylinder internal combustion piston engine |
| 10/02/1990 | US4960398 Stern drive marine propulsion system with automatic trim control and exhaust control |
| 10/02/1990 | US4959956 For a multicylinder type internal combustion engine |
| 10/02/1990 | CA1274778A1 Tube and chamber construction for an exhaust muffler |
| 10/02/1990 | CA1274777A1 Exhaust muffler with angularly aligned inlets and outlets |
| 09/27/1990 | DE3926921A1 Auspuffanlage fuer eine brennkraftmaschine Exhaust system for an internal combustion engine |
| 09/27/1990 | DE3922667A1 Catalytic exhaust system for vehicle - incorporates elastic retainers to join inner and outer shells |
| 09/26/1990 | EP0389401A1 Silencer for automobile exhaust systems |
| 09/26/1990 | EP0388766A1 Gasket material and method of manufacturing the same |
| 09/25/1990 | US4958701 Stamp formed muffler with pocket-free baffle crease |
| 09/19/1990 | EP0387422A1 Apparatus for catalytic or other purification of exhaust gases of internal combustion engines, with two exhaust gas treating bodies and a protection ring between them |
| 09/18/1990 | US4957461 Idling noise silencer for marine propulsion unit |
| 09/12/1990 | EP0386328A2 Exhaust system of an internal-combustion engine |
| 09/11/1990 | US4955838 Water jacketed exhaust relief system for marine propulsion devices |
| 09/11/1990 | US4955218 Method of manufacturing a high temperature composite gasket including a strip segment of non-woven fibrous refractory material |