| Patents for F01N 1 - Silencing apparatus characterised by method of silencing (8,998) |
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| 04/16/2009 | WO2007021330A3 Tubular acoustic silencer |
| 04/16/2009 | US20090097992 External gear hydraulic pump with acoustical insulation |
| 04/16/2009 | DE102007046584A1 Verfahren und Steuereinrichtung zur Ansteuerung eines Fahrzeugantriebsystems eines Fahrzeugs A method and control device for controlling a vehicle drive system of a vehicle |
| 04/15/2009 | EP2048332A1 Structure for exhaust pipe connection section of muffler |
| 04/15/2009 | EP2047073A1 Manufacture-friendly silencer |
| 04/15/2009 | CN201221392Y Noise purifying apparatus for internal combustion engine |
| 04/15/2009 | CN101410595A Muffler |
| 04/15/2009 | CN101410594A Silencer of exhaust gases, in particular for motor vehicles |
| 04/15/2009 | CN101408124A Silencer |
| 04/09/2009 | US20090090579 Silencer for refrigeration cycle system |
| 04/09/2009 | US20090090530 Noise abatement device for a pneumatic tool |
| 04/08/2009 | EP2045448A1 Low-noise exhaust gas facility |
| 04/08/2009 | CN201218128Y Car engine silencer |
| 04/08/2009 | CN201218127Y Silencer |
| 04/08/2009 | CN201218126Y Engine exhaust wide-band silencer |
| 04/08/2009 | CN201218125Y Adjustable offset silencer |
| 04/07/2009 | US7513811 Idle exhaust structure for outboard motor |
| 04/02/2009 | WO2009041892A1 Sound-absorbing arrangement |
| 04/02/2009 | WO2009041221A1 Compressor |
| 04/02/2009 | WO2009039999A1 Muffler |
| 04/02/2009 | US20090087353 Mat member, exhaust gas treatment apparatus, and muffling apparatus |
| 04/02/2009 | US20090087352 Mat material, exhaust gas treating apparatus, and muffler |
| 04/02/2009 | US20090084626 Muffler and Working Machine |
| 04/02/2009 | US20090084268 Mat member, method of fabricating mat member, exhaust gas treating apparatus, and silencing device |
| 04/02/2009 | US20090084111 Turbomachine nozzle cowl having jet noise reduction patterns |
| 04/01/2009 | EP2042694A1 Mat member, exhaust gas treatment apparatus, and muffling apparatus |
| 04/01/2009 | EP2042636A1 Mat member, method of fabrication mat member, exhaust gas treating apparatus, and silencing device |
| 04/01/2009 | EP2040880A1 Production of openings in a metal foil and the honeycomb body thus produced for the treatment of exhaust gases |
| 04/01/2009 | CN101397927A Mat member, method of fabrication mat member, exhaust gas treating apparatus, and silencing device |
| 03/31/2009 | US7510051 Switchable loud and quiet exhaust apparatus |
| 03/31/2009 | US7510050 Vehicle exhaust systems |
| 03/26/2009 | US20090078499 Muffler |
| 03/26/2009 | US20090078498 Seamless in-line airboat muffler |
| 03/26/2009 | US20090078496 Mixed-flow exhaust silencer assembly |
| 03/25/2009 | EP2000638A9 Muffler |
| 03/25/2009 | CN101395346A Muffler and working machine |
| 03/25/2009 | CN101392672A Rear noise deadener of automobile engine |
| 03/25/2009 | CN101392671A Exhaust silencer |
| 03/25/2009 | CN101391632A Exhaust apparatus of motorcycle |
| 03/24/2009 | US7506723 Muffler for an exhaust gas system |
| 03/24/2009 | US7506722 Vehicle exhaust systems |
| 03/19/2009 | US20090071748 Sealing system and method for sealing a component within an electronic device |
| 03/18/2009 | CN101387213A Noise deadener of general purpose petrol engine |
| 03/17/2009 | US7503427 Muffler |
| 03/17/2009 | US7503426 Reflecting plate type silencer pipe |
| 03/12/2009 | WO2009031012A2 Resonance device, and exhaust device for internal combustion engine |
| 03/12/2009 | WO2009030429A1 Exhaust gas system for motor vehicles having internal combustion engines |
| 03/12/2009 | US20090068028 Compressor muffler |
| 03/12/2009 | US20090065296 Fixing Device of Catalyst Substrate |
| 03/12/2009 | DE202008016200U1 Schalldämpfer für Abgasanlagen Muffler for exhaust systems |
| 03/12/2009 | DE102008017743A1 Muffler for component i.e. air filter, of internal combustion engine in motor vehicle, has connecting member including hollow space that is sectionally formed by absorber element with layer made of sound-absorbing material |
| 03/12/2009 | DE102007042811A1 Vorrichtung zur Reduzierung der Abstrahlung von Körperschall An apparatus for reducing the emission of structure-borne sound |
| 03/11/2009 | CN201206485Y Dust removing noise deadener |
| 03/11/2009 | CN101384798A Muffler assembly having a metal catalyst therein |
| 03/11/2009 | CN100467836C Silencer for pneumatic machines |
| 03/10/2009 | CA2400012C Exhaust structure of exhaust system for a small boat |
| 03/05/2009 | US20090060759 Compressor sound suppression |
| 03/05/2009 | US20090057056 Vehicular exhaust resonator with cooling feature |
| 03/05/2009 | US20090057054 Sound generator with structurally and acoustically coupled sound radiation panel and method for manufacturing the same |
| 03/04/2009 | EP2031198A1 Muffler |
| 03/04/2009 | CN201202516Y Small-sized petrol engine silencer |
| 03/04/2009 | CN201202515Y Engine silencer |
| 03/04/2009 | CN201202514Y Automobile silencer |
| 03/04/2009 | CN201202513Y Exhausting silencer with variable volume |
| 03/03/2009 | US7497301 Tubular acoustic silencer |
| 03/03/2009 | US7497300 Noise reduction tubes |
| 03/03/2009 | US7497196 Intake assembly having Helmholtz resonators |
| 02/26/2009 | US20090050404 Sound Dampening Flow Channel Device |
| 02/26/2009 | US20090050111 Nested Three Chambers, Fluid Pulsation Dampener |
| 02/26/2009 | DE102004015006B4 Motorrad Motorcycle |
| 02/25/2009 | EP2027370A1 Device for influencing an exhaust gas flow |
| 02/25/2009 | CN201198779Y Apparatus for reducing noise of single cylinder diesel engine |
| 02/25/2009 | CN101372909A Silencer for automobile |
| 02/19/2009 | WO2009023178A1 Pulsation attenuation |
| 02/19/2009 | WO2008152336A3 Motor vehicle exhaust line silencer |
| 02/19/2009 | US20090045007 Muffler with cyclonic plates |
| 02/19/2009 | US20090045006 Noise Eliminator for Fuel Cell |
| 02/19/2009 | US20090044536 Gas turbine power generator plant and silencer for the same |
| 02/19/2009 | DE202007014144U1 Abgasendrohr für Kraftfahrzeuge Tailpipe for motor vehicles |
| 02/19/2009 | DE19526143B4 Anordnung einer Abgasklappe Arrangement of an exhaust flap |
| 02/19/2009 | DE112007001028T5 Geräuschbeseitiger für eine Brennstoffzelle Noise canceler for a fuel cell |
| 02/19/2009 | CA2733280A1 Pulsation attenuation |
| 02/18/2009 | EP2024613A1 Device for influencing an exhaust gas flow |
| 02/18/2009 | EP2024612A2 Muffler |
| 02/18/2009 | CN101371013A Muffler structure for vehicle |
| 02/12/2009 | WO2009019806A1 Exhaust purification apparatus |
| 02/12/2009 | WO2009018950A1 Housing for mufflers |
| 02/12/2009 | WO2008147743A3 Method of forming muffler preforms |
| 02/12/2009 | US20090038879 Muffler unit for general-purpose engine |
| 02/11/2009 | EP2021098A2 Device and method for the reduction of emissions |
| 02/11/2009 | CN101363347A Liner of noise deadener |
| 02/11/2009 | CN101363346A Low frequency self-cleaning noise deadener and method for making same |
| 02/11/2009 | CN100460661C Air leakage reflux device of internal combustion engines |
| 02/10/2009 | US7487858 Acoustic fluid machine |
| 02/10/2009 | US7487857 Sonic coupling between an intake tract or engine compartment and the interior of a motor vehicle |
| 02/10/2009 | CA2407397C Improved marine engine silencer |
| 02/05/2009 | WO2009016780A1 Exhaust purification apparatus |
| 02/05/2009 | WO2009015797A1 Silencer for an internal combustion engine, and working device |
| 02/05/2009 | US20090032331 Noise reduction with resonatance chamber |
| 02/05/2009 | DE102007036176A1 Schalldämpfer für einen Verbrennungsmotor und Arbeitsvorrichtung Silencer for an internal combustion engine and working device |