| Patents for F01N 1 - Silencing apparatus characterised by method of silencing (8,998) |
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| 07/01/2009 | CN101469624A Exhausting system and straddle type vehicle |
| 07/01/2009 | CN101468710A Silencer protector and straddle type vehicle |
| 07/01/2009 | CN101468709A Straddle type vehicle |
| 06/30/2009 | US7552797 Vehicular exhaust system |
| 06/30/2009 | US7552796 Turbine engine tailcone resonator |
| 06/30/2009 | CA2507902C Muffler for an engine |
| 06/25/2009 | WO2009031012A3 Resonance device, and exhaust device for internal combustion engine |
| 06/25/2009 | DE102007059373A1 Silencer for internal combustion engine, has reflector pipe inserted in exhaust pipe leading exhaust gas flow, where reflector pipe reduces cross-section of exhaust pipe and has open end and closed end |
| 06/24/2009 | EP2072769A1 A device and method for active noise cancellation in exhaust gas channel of a combustion engine |
| 06/24/2009 | CN201262108Y Resistive sheet type silencer |
| 06/24/2009 | CN101463749A Exhaust system for motorcycle and motorcycle including the same |
| 06/24/2009 | CN101463745A Motorcycle silencer |
| 06/23/2009 | US7549512 Muffler for internal combustion engine |
| 06/23/2009 | US7549511 Exhaust sound and emission control systems |
| 06/23/2009 | US7549510 Vehicle exhaust system |
| 06/23/2009 | US7549508 Muffler |
| 06/23/2009 | US7549290 Acoustic damper |
| 06/23/2009 | CA2290035C Silencer |
| 06/18/2009 | WO2009056931A3 Method and apparatus for controlling an exhaust throttle valve of an internal combustion engine |
| 06/18/2009 | WO2009031015A3 Exhaust device for vehicle internal combustion engine |
| 06/18/2009 | WO2007131304A3 Exhaust muffler |
| 06/18/2009 | US20090152038 Exhaust system for motorcycle and motorcycle including the same |
| 06/17/2009 | CN201258773Y Heavy-duty car silencer |
| 06/17/2009 | CN101460714A Long fiber thermoplastic composite muffler system |
| 06/17/2009 | CN101460713A Silencer for adsorption-based gas separation systems |
| 06/16/2009 | US7546899 Lightweight polymer muffler apparatus and method of making same |
| 06/11/2009 | US20090145689 Muffler of vehicle and exhaust apparatus using the same |
| 06/11/2009 | US20090145688 Acoustic attenuation device |
| 06/11/2009 | US20090145687 Motorcycle exhaust muffler |
| 06/10/2009 | DE102008022123A1 Auspufftopf eines Kraftfahrzeugs und Auspuffanlage mit Verwendung dieses Auspufftopfs Muffler and exhaust system of a motor vehicle with using this muffler |
| 06/10/2009 | CN201255030Y Environmental-protecting type high performance automobile exhaust tube |
| 06/09/2009 | US7543683 Vehicle resonator structure and attachment method |
| 06/09/2009 | US7543682 Sheet-metal-type part |
| 06/04/2009 | WO2009031019A3 Exhaust silencer device for internal combustion engine |
| 06/04/2009 | US20090139796 Exhaust device for straddle-type vehicle and straddle-type vehicle |
| 06/03/2009 | EP2065574A1 Exhaust device and vehicle |
| 06/03/2009 | EP2064420A1 Exhaust diffuser for a truck |
| 06/03/2009 | EP2064418A1 Exhaust system for a piston engine and method of damping pressure vibration in an exhaust system of a piston engine |
| 06/03/2009 | CN201250686Y An auto exhaust muffler device |
| 06/03/2009 | CN201250685Y Muffler |
| 06/03/2009 | CN101449033A Muffler |
| 06/03/2009 | CN101446219A Carbon emission reduction muffler for vehicle |
| 06/02/2009 | US7540353 Resonator |
| 05/28/2009 | WO2009065904A1 Noise attenuation device for a centrifugal compressor discharge or suction nozzle |
| 05/27/2009 | EP2063415A1 Acoustic load mitigator |
| 05/27/2009 | EP2063130A1 Noise attenuation device for a centrifugal compressor discharge or suction nozzle |
| 05/27/2009 | CN201246208Y Internal combustion engine liquid cooling silencer |
| 05/27/2009 | CN201246206Y Internal combustion engine spiral vortex horn type silencer |
| 05/27/2009 | CN100491703C Outer tube of exhaust system part |
| 05/26/2009 | US7537084 Discharge gas check valve integral with muffler |
| 05/26/2009 | US7537083 Silencer containing one or more porous bodies |
| 05/26/2009 | US7536821 Cartridge casing catcher with reduced firearm ejection port flash and noise |
| 05/22/2009 | WO2009062233A1 Muffler |
| 05/22/2009 | WO2007064539A3 Muffler assembly with sound absorbing member |
| 05/21/2009 | US20090127025 Triangular cross section exhaust muffler |
| 05/21/2009 | US20090127024 Acoustic load mitigator |
| 05/21/2009 | US20090127023 Passive valve assembly for vehicle exhaust system |
| 05/20/2009 | DE202007018222U1 Auspuffanlage für Kraftfahrzeuge und Motorräder Exhaust system for motor vehicles and motorcycles |
| 05/20/2009 | CN201241746Y Electric impedance silencer for light truck |
| 05/20/2009 | CN201241745Y Safe energy-saving silencer |
| 05/20/2009 | CN101435441A Mining blower silencer |
| 05/20/2009 | CN101435356A Novel Helmholtz resonator |
| 05/19/2009 | US7534401 Arcing electron stream apparatus and method |
| 05/19/2009 | US7533760 Noise reduction tubes |
| 05/19/2009 | US7533759 Active muffler for an exhaust system |
| 05/14/2009 | DE19701210B4 Wasserdichter Aufbau für einen Luft/Kraftstoff-Verhältnissensor Waterproof construction for an air / fuel ratio sensor |
| 05/13/2009 | EP1639236A4 Cordierite filters with reduced pressure drop |
| 05/13/2009 | CN201236736Y Exhaustion silencing apparatus |
| 05/13/2009 | CN201236735Y Silencer of supercharged diesel engine |
| 05/13/2009 | CN201236734Y Blow-off silencer |
| 05/13/2009 | CN201236733Y Exhausting silencer |
| 05/13/2009 | CN100487341C Combined muffler/heat exchanger |
| 05/12/2009 | US7530428 Exhaust deflector for a muffler |
| 05/12/2009 | US7530427 Exhaust deflector for a muffler |
| 05/12/2009 | US7530426 Device for actively reducing sound transmission, and panel comprising such device |
| 05/07/2009 | WO2009058981A1 Method for filling a muffler cavity |
| 05/07/2009 | WO2009056931A2 Method and apparatus for controlling an exhaust throttle valve of an internal combustion engine |
| 05/07/2009 | US20090114477 Exhaust system for a motorcycle, and motorcycle incorporating same |
| 05/07/2009 | US20090114476 Vehicle Resonator Structure and Attachment Method |
| 05/07/2009 | DE10234452B4 Auspufftopf Muffler |
| 05/06/2009 | EP2055908A2 Exhaust system of motorcycle |
| 05/06/2009 | CN201232578Y Engine silencer front noise deadener for automobile engine |
| 05/06/2009 | CN100485169C Exhaust system for motorcycle |
| 05/05/2009 | US7527774 Inlet metallic foam support coupled to precious metal catalyst for application on 4 stroke platforms |
| 05/05/2009 | US7527126 Exhaust apparatus of an internal combustion engine |
| 05/05/2009 | US7527125 Muffler for an exhaust system |
| 04/30/2009 | US20090107761 Exhaust sound and emission control systems |
| 04/30/2009 | DE19855708B4 Rohrkammerdämpfer Pipe chamber damper |
| 04/30/2009 | DE102005044442B4 Abgasschalldämpfer Exhaust muffler |
| 04/29/2009 | CN101418820A Dispersion type noise deadener |
| 04/28/2009 | US7524223 Outboard motor |
| 04/28/2009 | US7523735 Multiple-cylinder engine for outboard motor |
| 04/23/2009 | WO2009049809A1 Exhaust gas tail pipe for motor vehicles |
| 04/23/2009 | US20090101434 Integrated modular exhaust system |
| 04/22/2009 | EP2049777A1 Muffler assembly |
| 04/22/2009 | EP2049776A1 Apparatus for sound absorbing in a tubular channel |
| 04/22/2009 | EP2049775A1 Muffler and engine exhaust apparatus |
| 04/22/2009 | EP1548241B1 Muffler |
| 04/22/2009 | CN201225189Y Silencer |
| 04/22/2009 | CN101413415A Silencer |