| Patents for F01N 1 - Silencing apparatus characterised by method of silencing (8,998) |
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| 04/10/2001 | US6213251 Self-tuning exhaust muffler |
| 04/10/2001 | CA2045700C Muffler assembly |
| 04/05/2001 | WO2001023714A1 Silencer |
| 04/05/2001 | DE19946637A1 Device to reduce soot deposits in exhaust passage of diesel engine has inner pipe with vibration capabilities installed in exhaust passage at least in areas, and located downstream of catalyser |
| 04/04/2001 | EP1088968A1 Silencer |
| 04/04/2001 | CN1064158C Active sound damper |
| 04/03/2001 | US6209678 Pneumatic hand tool exhaust muffler |
| 04/03/2001 | US6209318 Exhaust gas system of a multi-cylinder internal-combustion engine |
| 03/29/2001 | WO2001021941A1 Two-stroke internal combustion engine |
| 03/29/2001 | DE19948146A1 Abgasschalldämpfer Exhaust muffler |
| 03/27/2001 | US6207293 Flexible corrugated multilayer metal foil shields and method of making |
| 03/27/2001 | US6205777 Catalytic method |
| 03/27/2001 | CA2072118C Dual flow turbine engine muffler |
| 03/22/2001 | WO2001019743A1 A fibrous sound absorbing mass able to be biologically degraded |
| 03/22/2001 | DE19944671A1 Ventil mit Schaltcharakteristik, insbesondere für eine Kraftfahrzeug-Abgasanlage Valve with switching characteristics, in particular for a motor vehicle exhaust system |
| 03/22/2001 | CA2350034A1 A fibrous sound absorbing mass able to be biologically degraded |
| 03/21/2001 | EP1085175A2 Valve with a non-linear response for a motor vehicle exhaust system |
| 03/21/2001 | CN2424299Y Automobile silencer |
| 03/20/2001 | US6202785 Muffler with acoustic absorption insert for limited clearance pneumatic device applications |
| 03/15/2001 | WO2001018365A1 Arrangement at a silencer and method for reduction of noise from a gas flow |
| 03/15/2001 | WO2000042301A8 Method and device for producing an absorption silencer |
| 03/15/2001 | DE19950883A1 Biologisch abbaubare Schalldämpferwolle Biodegradable wool mufflers |
| 03/14/2001 | EP1082527A2 Aluminum muffler and method of manufacture |
| 03/14/2001 | CN2423411Y Stainless steel fibre device core silencer |
| 03/14/2001 | CN2423410Y Improved of locomotive silencer |
| 03/14/2001 | CN1287182A Stainless steel fiber material and its processing technology and stainless steel fiber muffler element |
| 03/13/2001 | US6199659 Stamp-formed muffler |
| 03/13/2001 | US6199658 Multi-Fold side branch muffler |
| 03/07/2001 | CN2422454Y Silencer |
| 03/07/2001 | CN2422453Y Silencer for pedal motorcycle |
| 03/07/2001 | CN1286741A 消音器 Silencer |
| 03/06/2001 | US6196351 Silencer cartridge |
| 03/01/2001 | WO2001014695A2 Muffler with acoustic barrier material for limited clearance pneumatic device applications |
| 03/01/2001 | CA2373084A1 Muffler with acoustic barrier material for limited clearance pneumatic device applications |
| 02/28/2001 | EP1078149A1 Exhaust system |
| 02/28/2001 | CN1062639C Silencing apparatus |
| 02/27/2001 | US6194052 Soundabsorbing element and procedure for manufacture of this element and use of this element |
| 02/20/2001 | US6189650 Muffler structure |
| 02/15/2001 | WO2001011207A1 Exhaust volume |
| 02/07/2001 | CN2418258Y Combined silencing device for supercharger |
| 02/07/2001 | CN1282834A Method and equipment for depressurizing high-pressure fluid in flow channel and attenuating pulsed dynamic energy of fluid |
| 02/01/2001 | WO2001007792A1 Improved assembly of orifice chambers |
| 02/01/2001 | DE19843615C2 Vorrichtung und Verfahren zur Diagnose von Verbrennungsantrieben Device and method for the diagnosis of internal combustion engines |
| 02/01/2001 | DE10035129A1 Exhaust silencer (muffler) for motorcycle, including air scoop |
| 02/01/2001 | CA2380274A1 Improved assembly of orifice chambers |
| 01/30/2001 | US6178745 Exhaust assembly for use with combustion engines, and vehicle provided with such assembly |
| 01/25/2001 | DE19932714A1 Tubular air flow conducting arrangement has flat sound reduction device with anti-sound generating elements; reduction device is helical membrane with sound sensing elements |
| 01/24/2001 | CN2416469Y Noise silencing vibration absorbing heater |
| 01/23/2001 | US6176347 Semi-active muffler for internal combustion engine |
| 01/18/2001 | WO2001004470A1 Apparatus and method for multi-conduit waterlift engine silencing |
| 01/18/2001 | CA2375564A1 Apparatus and method for multi-conduit waterlift engine silencing |
| 01/17/2001 | EP1068430A2 A silencer and a method of operating a vehicle |
| 01/17/2001 | CN1280241A Method and device for controlling noise of exhaust gas |
| 01/16/2001 | US6173808 Automobile exhaust noise silencer |
| 01/10/2001 | EP1067511A2 Method and apparatus for actively controlling exhaust noise |
| 01/10/2001 | CN2414201Y Power boosting fuel-saving silencer for motor vehicle |
| 01/09/2001 | US6170604 Exhaust gas muffler |
| 01/09/2001 | US6170528 Assembly of orifice chambers progressively reducing operating pressure for large gas flows |
| 01/03/2001 | EP1064132A1 Thin mineral fibre components, method and mould for making same by vacuum suction |
| 01/03/2001 | CN2413190Y Energy-saving efficient water-oil plane engine with infrared silencer |
| 01/03/2001 | CN2413028Y Exhaust silencer for low-noise diesel internal combustion engine |
| 01/03/2001 | CN1278582A Muffler suitable for backpressure regulation |
| 01/02/2001 | US6168485 Pump jet with double-walled stator housing for exhaust noise reduction |
| 01/02/2001 | US6167984 Device and a method for sound reduction in a transport system for gaseous medium and use of the device in an exhaust system for ships |
| 12/28/2000 | DE19935711C1 Engine exhaust gas muffler has variable cross-section flow path between different chambers controlled by closure element with associated operating element adjacent exit flow of entry flow channel |
| 12/27/2000 | EP1062124A1 Vibration-damping, noise-reducing and heat-shielding vehicle lining |
| 12/26/2000 | US6164412 Muffler |
| 12/26/2000 | US6164066 Muffler for internal combustion engine |
| 12/20/2000 | EP1060328A1 A silencer |
| 12/19/2000 | US6161646 Turbo-generator exhaust noise silencer |
| 12/14/2000 | WO2000075495A1 Muffler with acoustic absorption insert for limited clearance pneumatic device applications |
| 12/14/2000 | WO2000050742A3 Resonator |
| 12/14/2000 | DE19926137A1 Exhaust pipe for motor vehicle's exhaust system has annular gap between outer and inner pipes filled with insulating material, and exhaust gas outlet openings are formed as gill-form protrusions aligned in inner pipe |
| 12/14/2000 | DE19918989A1 Exhaust gas ducting used with engine-independent heater of motor vehicle has one-piece flexible inner helical pipe with sound-insulated perforated long section and encompassed gastight by one-piece flexible outer pipe |
| 12/14/2000 | CA2371112A1 Muffler with acoustic absorption insert for limited clearance pneumatic device applications |
| 12/13/2000 | EP1059830A2 Electrodynamic loudspeaker with a control device for an active vehicle noiceattenuator |
| 12/12/2000 | US6160892 Active muffler |
| 12/12/2000 | US6158547 Process for manufacturing an absorption muffler |
| 12/12/2000 | US6158546 Straight through muffler with conically-ended output passage |
| 12/12/2000 | US6158214 Exhaust silencer arrangement |
| 12/07/2000 | DE19924888A1 Exhaust silencer for 2-stroke IC engines in portable agricultural appliances ha two-pat housing with exhaust deflector cover above it and particle filter in cover discharge |
| 12/05/2000 | US6155379 Silencing member for mufflers and method of manufacturing the silencing member |
| 12/05/2000 | US6155224 Noise silencer for vehicle engine intake system |
| 12/05/2000 | US6155044 Exhaust gas purifying system for internal combustion engine |
| 11/29/2000 | EP1055804A1 Active exhaust silencer |
| 11/29/2000 | CN2408240Y Silenser for vehicles |
| 11/28/2000 | US6152258 Exhaust system with silencing and water separation capability |
| 11/28/2000 | US6152092 Internal combustion engine |
| 11/22/2000 | CN2407134Y Silencer at outlet of steam water heater |
| 11/22/2000 | CN2407133Y Tubular perforated plate sound absorption construction |
| 11/21/2000 | US6148956 Resonator with high heat resistance |
| 11/21/2000 | US6148955 Silencer |
| 11/21/2000 | US6148631 Silencer and air conditioner |
| 11/21/2000 | US6148519 Apparatus for installing a packing material in a muffler assembly; and methods thereof |
| 11/15/2000 | EP1051562A1 Silencer with a shunt resonator |
| 11/09/2000 | WO2000066884A1 Manifold arrangement for exhaust systems |
| 11/08/2000 | EP1050670A2 Silencer |
| 11/07/2000 | US6143254 Comprising a torturous fluid channel, lava material displaced within the torturous fluid channel wherein the lava material is located within a set of self contained containers within the emissions reducing device |
| 11/01/2000 | CN2403919Y Filtering noise silencer for air compressor |
| 10/31/2000 | US6138791 Muffler sleeve, and method and apparatus for manufacturing same |