| Patents for F01N 1 - Silencing apparatus characterised by method of silencing (8,998) |
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| 02/04/2009 | CN101359470A Chassis with noise cancellation function, noise cancellation method, and method for producing noise cancellation sound data |
| 02/03/2009 | US7484591 Muffler outlet part for a motorcycle muffler |
| 02/03/2009 | US7484590 Fuel cell system with muffler |
| 01/29/2009 | US20090025564 Silencer and oxygen concentrator having silencer |
| 01/29/2009 | US20090025393 Auxiliary power unit assembly |
| 01/28/2009 | CN201187337Y Silencer structure of vehicle exhaust pipe |
| 01/28/2009 | CN201187336Y Silencer |
| 01/27/2009 | US7481047 Reflection catalytic converter |
| 01/22/2009 | DE102008030596A1 Motorrad-Abgassystem Motorcycle exhaust system |
| 01/22/2009 | DE102008025862A1 Exhaust gas system for internal combustion engine of utility vehicle, has end pipe with inner wall including cladding element, where cladding element is formed from temperature resistant material based on temperature of exhaust gas |
| 01/21/2009 | EP2017440A1 Silencer device for a fluid conduit and method for its production |
| 01/21/2009 | EP2016260A2 Insulating sleeve with wire mesh and wire cloth |
| 01/21/2009 | CN201184226Y Automobile energy-saving silencer |
| 01/20/2009 | US7480044 Method and device for comprehensive characterization and monitoring of exhaust gas and control of engines, and components for aftertreatment of exhaust gases |
| 01/20/2009 | US7479169 Gas supplying system and gas supplying method |
| 01/20/2009 | US7478996 Reciprocating compressor having assembly structure of suction muffler |
| 01/15/2009 | WO2009009120A1 Muffler |
| 01/15/2009 | WO2009009119A1 Muffler |
| 01/15/2009 | WO2009007138A1 Apparatus and method for improving the damping of acoustic waves |
| 01/15/2009 | US20090014238 Muffler |
| 01/15/2009 | US20090014237 Muffler |
| 01/15/2009 | US20090014236 Long fiber thermoplastic composite muffler system with integrated crash management |
| 01/15/2009 | DE102007032717A1 Wärmeübertrager Heat exchanger |
| 01/14/2009 | EP2013480A1 Resonator arrangement in an acoustic muffler for a refrigeration compressor |
| 01/14/2009 | CN201180573Y Silencer capable of directly replacing filter material |
| 01/14/2009 | CN100451305C Exhaust pipe of locomotive |
| 01/08/2009 | US20090008185 Double-glazed windows wth inherent noise attenuation |
| 01/08/2009 | DE102008030377A1 Hochleistungs-Abgassystem High performance exhaust system |
| 01/08/2009 | DE102007030250A1 Sound modification device, particularly exhaust silencer of motor vehicle, has detecting sound device arranged to detect sound wave with frequency spectrum |
| 01/07/2009 | EP2012022A2 Device for ventilation/removal of air from a number of pneumatic actuators |
| 01/06/2009 | US7472774 Versatile engine muffling system |
| 01/06/2009 | CA2546631C Exhaust silencer for internal combustion engine |
| 01/06/2009 | CA2302030C Pulsation damper |
| 01/02/2009 | DE10212036B4 Verfahren zur Geräuschreduktion für mehrmotorige Propellerflugzeuge A method of noise reduction for multi-engine propeller aircraft |
| 01/02/2009 | DE102006005536B4 Abgasschalldämpfer für Kraftfahrzeugzusatzheizungen Exhaust silencer for motor vehicle auxiliary heaters |
| 01/01/2009 | US20090000863 Exhaust pipe |
| 12/31/2008 | EP2007974A1 Muffler for an exhaust system |
| 12/31/2008 | EP2007973A1 Silencer of exhaust gases, in particular for motor vehicles |
| 12/31/2008 | CN201173145Y Low back pressure automobile exhaust silencer |
| 12/31/2008 | CN201173144Y Automobile exhaust silencer |
| 12/31/2008 | CN201173143Y Low noise automobile exhaust silencer |
| 12/31/2008 | CN101333952A Car engine front silencer |
| 12/31/2008 | CN100447377C Energy saving muffler of exharst system in internal-combustion engine |
| 12/25/2008 | US20080314679 Variable Sound Muffler System |
| 12/24/2008 | EP2004966A1 Long fiber thermoplastic composite muffler system with integrated crash management |
| 12/24/2008 | EP2004960A2 Long fiber thermoplastic composite muffler system |
| 12/24/2008 | DE19903102B4 Schalldämpfer mit variabler Dämpfungscharakteristik Muffler with variable damping characteristic |
| 12/24/2008 | CN201170125Y Sound eliminator |
| 12/24/2008 | CN201168316Y Medical sound eliminator for oxygen moistening bottle |
| 12/24/2008 | CN101328825A Sound eliminator |
| 12/18/2008 | WO2008152336A2 Motor vehicle exhaust line silencer |
| 12/18/2008 | US20080308348 Exhaust System for Internal Combustion Engines |
| 12/18/2008 | US20080308347 Vehicular exhaust system |
| 12/18/2008 | US20080308346 Muffler having fluid swirling vanes |
| 12/18/2008 | US20080308345 Assembly for Reducing Noise in Turbofan Engines |
| 12/17/2008 | EP2003387A1 Device for suppressing acoustic noise, heating circuit and water circuit |
| 12/17/2008 | EP2002184A1 Sound reduction provision for heat apparatuses |
| 12/17/2008 | EP2002092A1 Silencer for adsorption-based gas separation systems |
| 12/17/2008 | EP1773455A4 Method and apparatus for attenuating compressor noise |
| 12/17/2008 | CN201165892Y Sound eliminator |
| 12/17/2008 | CN100443701C Exhaust gas purification device |
| 12/16/2008 | US7464789 Exhaust silencer for internal combustion engine |
| 12/16/2008 | US7464788 Apparatus for transmitting sound in a motor vehicle |
| 12/16/2008 | US7464787 Motorcycle exhaust assembly and method of using same |
| 12/16/2008 | US7464543 Two-stroke lean burn gas engine with a silencer/catalytic converter |
| 12/11/2008 | WO2008150024A1 Silencer |
| 12/11/2008 | WO2008149040A1 Exhaust volume for the exhaust line of an automobile |
| 12/11/2008 | US20080302598 Silencer |
| 12/11/2008 | DE102007026811A1 Schalldämpfer Silencer |
| 12/11/2008 | DE102005005487B4 Schalldämpfer für eine Abgasanlage einer Brennkraftmaschine Silencer for an exhaust system of an internal combustion engine |
| 12/10/2008 | EP2000638A2 Muffler |
| 12/10/2008 | EP2000637A1 Exhaust silencer |
| 12/10/2008 | CN201162558Y Miniature silencer |
| 12/10/2008 | CN201162557Y Energy-saving silencer |
| 12/10/2008 | CN101320890A Combination type low noise square compartment power station |
| 12/09/2008 | US7461719 Resonator performance by local reduction of component thickness |
| 12/04/2008 | WO2008147746A1 Glass fiber product for making preform products |
| 12/04/2008 | WO2008147743A2 Method of forming muffler preforms |
| 12/04/2008 | US20080298967 Wind turbine blade with anti-noise devices |
| 12/04/2008 | US20080295519 Turbine engine fuel injector with Helmholtz resonators |
| 12/03/2008 | CN201160198Y Low-noise shelter electric power plant |
| 12/02/2008 | US7458440 Vehicle exhaust system support structure |
| 11/30/2008 | CA2593100A1 Muffler insert |
| 11/27/2008 | WO2008143023A1 Exhaust pipe for vehicle-mounted engine |
| 11/27/2008 | US20080289900 Noise Damper for a Compressed Air Device |
| 11/27/2008 | DE112005001764T5 Halbaktiver Schalldämpfer Semi Active Muffler |
| 11/26/2008 | CN201155349Y Automobile filtrating silencer |
| 11/26/2008 | CN101313130A 次消声器 Secondary muffler |
| 11/26/2008 | CN101311504A 排气净化装置 An exhaust gas purification apparatus |
| 11/26/2008 | CN100436769C Muffler with catalytic converter |
| 11/20/2008 | WO2008138828A1 Device and method for measuring acoustic vibrations in a fluid flow and a gas turbine installation with such a device |
| 11/19/2008 | EP1992797A2 Integrated acoustic damper with thin sheet insert |
| 11/19/2008 | CN101306588A Sheet member and manufacturing method thereof, exhaust gas treating apparatus and manufacturing method thereof, and silencing device |
| 11/19/2008 | CN100434661C Embossed shell for spun mufflers |
| 11/18/2008 | US7451854 Exhaust flow rate control valve |
| 11/13/2008 | WO2008030258A3 Exhaust diffuser for a vocational truck |
| 11/13/2008 | DE10339468B4 Katalysatorkörper und Abgasanlage für einen Kleinmotor sowie Verfahren zur Herstellung des Katalysatorkörpers Catalyst body, and exhaust system for a small engine as well as methods for the preparation of the catalyst body |
| 11/12/2008 | EP1990579A1 Device and method for measuring acoustic oscillations in the fluid flow and gas turbine facility with such a device |
| 11/12/2008 | CN201148893Y Two-stage steam injection vacuum damping machine pumped vacuum system steam discharging outlet whistle box |
| 11/11/2008 | US7448469 Silencer |