| Patents for F01N 1 - Silencing apparatus characterised by method of silencing (8,998) |
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| 10/09/2013 | CN203230480U Silencer noise abatement unit and silencer using noise abatement unit |
| 10/08/2013 | US8550210 Resonant-type muffler |
| 10/08/2013 | US8550209 Muffler for a turbo or piston engine |
| 10/08/2013 | US8549851 Exhaust manifold with baffle plate |
| 10/02/2013 | EP2643569A1 Silencer |
| 10/02/2013 | DE102012006544A1 Schalldämpfer mit Ankopplung Endrohr über Kopplungskammer Muffler tail pipe with coupling via coupling chamber |
| 10/01/2013 | US8544600 Exhaust device for internal combustion engine |
| 10/01/2013 | US8544267 Engine assembly and method of making |
| 10/01/2013 | CA2768402C Muffler system for noise abatement and ice control |
| 10/01/2013 | CA2607271C Muffler unit for general-purpose engine |
| 09/26/2013 | WO2013141233A1 Internal combustion engine |
| 09/26/2013 | US20130248282 Silencer incorporating elongated members |
| 09/25/2013 | CN103321716A Reactive muffler structure with combination of perforated pipes and narrow-slit resonant cavities |
| 09/25/2013 | CN101460713B Silencer for adsorption-based gas separation systems |
| 09/24/2013 | US8539767 Exhaust treatment system for an internal combustion engine |
| 09/24/2013 | US8539761 Flow device for exhaust treatment system |
| 09/18/2013 | CN103306781A Vortex exhaust system of automobile engine |
| 09/18/2013 | CN103306780A Automobile muffler |
| 09/17/2013 | US8534045 After-treatment de-contamination system |
| 09/12/2013 | US20130233643 Frequency-Modifying Muffler |
| 09/12/2013 | US20130233642 Exhaust Valve Combined With Active Noise Control System |
| 09/11/2013 | DE202012012724U1 Antischall-System für Abgasanlagen Anti-sound system for exhaust systems |
| 09/11/2013 | CN203189093U 消音器 Silencer |
| 09/11/2013 | CN203189084U Silencer |
| 09/11/2013 | CN203189083U Silencer |
| 09/11/2013 | CN203189082U Automobile exhaust silencer |
| 09/11/2013 | CN203189081U Rotary exhaust silencer for motorcycle |
| 09/11/2013 | CN203189080U Silencer for forklift with large air displacement |
| 09/11/2013 | CN203189079U Triangle rotor engine silencer |
| 09/11/2013 | CN203189078U Muffler for engineering machine |
| 09/11/2013 | CN103291430A Muffler with dual exhaust gas discharge pipe for vehicle |
| 09/10/2013 | US8528693 Muffler with dual exhaust gas discharge pipe for vehicle |
| 09/05/2013 | DE102004050061B4 Wartungsfähiger Abgasschalldämpfer und Verfahren zur Herstellung eines solchen Abgasschalldämpfers Maintenance-capable exhaust silencer and method for manufacturing such exhaust silencer |
| 09/04/2013 | EP2633220A2 Disc damper for charge air lines of an internal combustion engine having a turbocharger |
| 09/04/2013 | EP2633162A1 Exhaust gas muffler arrangement |
| 09/04/2013 | CN103277171A Novel exhaust muffling structure |
| 09/04/2013 | CN103277170A Throttle valve body |
| 09/04/2013 | CN101096022B 纹理喷涂器和消声器 Texture Spray and muffler |
| 08/29/2013 | US20130220732 Muffler with dual exhaust gas discharge pipe for vehicle |
| 08/29/2013 | US20130220731 Splicing of curved acoustic honeycomb |
| 08/29/2013 | DE112011103989T5 Auslassventil in Kombination mit einem aktiven Geräuschdämpfungssystem Exhaust valve in combination with an active noise cancellation system |
| 08/29/2013 | DE102012111259A1 Schalldämpfer mit Dual-Abgas-Abführ-Rohr für ein Fahrzeug Muffler with dual exhaust outfeed pipe for a vehicle |
| 08/28/2013 | CN203161318U Broadband noise silencer |
| 08/28/2013 | CN103270262A Snap-action valve for exhaust system |
| 08/28/2013 | CN103270261A Exhaust valve combined with active noise control system |
| 08/28/2013 | CN103270260A Silencing apparatus for vehicle |
| 08/28/2013 | CN103266971A Air inflow noise elimination system used for engine and engine and vehicle with same |
| 08/28/2013 | CN103266934A Silencer |
| 08/28/2013 | CN103266933A Active silencer |
| 08/28/2013 | CN103266932A Silencing device in silencer |
| 08/28/2013 | CN101397927B Mat member, method of fabrication mat member, exhaust gas treating apparatus, and silencing device |
| 08/22/2013 | US20130213734 Horizontally installed muffler having sporty tone |
| 08/22/2013 | US20130213731 Passive valve and resonator assembly for vehicle exhaust system |
| 08/22/2013 | DE10242869B4 Katalysator Catalyst |
| 08/22/2013 | DE102012202390A1 Heat exchanger device i.e. exhaust gas heat exchanger device, for exhaust system of combustion engine in motor car, has heat exchanger channel enclosing bypass channel, and heat exchanger arranged helically around bypass channel |
| 08/21/2013 | CN203146082U Steam exhausting muffler |
| 08/21/2013 | CN203145972U Pneumatic anchor rod drilling rig |
| 08/21/2013 | CN103261613A Device for converting thermal energy to electrical energy |
| 08/21/2013 | CN103261593A Exhaust gas muffler arrangement |
| 08/21/2013 | CN103256110A Horizontally installed muffler having sporty tone |
| 08/21/2013 | CN102016261B Engine-containing package |
| 08/20/2013 | US8511428 Noise attenuator and vehicle air intake duct provided therewith |
| 08/14/2013 | CN203130215U Sound attenuation tube of auxiliary muffler |
| 08/14/2013 | CN203130210U Selective catalysis silencer for diesel engine |
| 08/14/2013 | CN203130204U Safe discharging silencer |
| 08/14/2013 | CN203130203U Silencer with fireproofing function |
| 08/14/2013 | CN203130202U Silencer |
| 08/14/2013 | CN203130201U Motor cycle silencer |
| 08/14/2013 | CN103249925A Silencer |
| 08/14/2013 | CN103244243A Exhaust muffler device |
| 08/13/2013 | US8505286 Decoupling element |
| 08/08/2013 | DE102012201725A1 Aktiver Schalldämpfer Active silencer |
| 08/07/2013 | EP2623737A1 Active silencer |
| 08/07/2013 | CN203114399U Automobile silencer |
| 08/07/2013 | CN203114394U Spark catching silencer |
| 08/07/2013 | CN103237723A Exhaust device for saddled vehicle |
| 08/07/2013 | CN102465745B Silencer |
| 08/01/2013 | DE10353594B4 Schalldämpfer Silencer |
| 08/01/2013 | DE102010052468B4 Kraftfahrzeugschalldämpfer Motor vehicle exhaust |
| 08/01/2013 | DE102009000090B4 Abgasanlage für ein Kraftfahrzeug Exhaust system for a motor vehicle |
| 07/31/2013 | EP2620608A2 Exhaust System of Engine |
| 07/31/2013 | CN203098019U Circular-series silencer for heavy car |
| 07/31/2013 | CN203098007U Silencer and generator set thereof |
| 07/31/2013 | CN203097999U Muffling device with spark extinguishing function |
| 07/31/2013 | CN102081924B Sound insulation material, sound insulation system and manufacturing method of sound insulation material |
| 07/30/2013 | US8496446 Compressor muffler |
| 07/25/2013 | US20130186062 Exhaust device for an internal combustion engine |
| 07/25/2013 | DE102012200712A1 Abgasvorrichtung für eine Brennkraftmaschine An exhaust device for an internal combustion engine |
| 07/24/2013 | EP2617956A1 Exhaust gas device for an internal combustion engine |
| 07/24/2013 | EP2617955A1 Exhaust muffler provided with tail pipe |
| 07/24/2013 | CN203085167U Novel stainless heatproof metal fibrofelt used for noise abatement |
| 07/24/2013 | CN203081539U Horizontal type silencer |
| 07/24/2013 | CN103216293A Exhaust gas device for an internal combustion engine |
| 07/24/2013 | CN102146825B Silencer |
| 07/18/2013 | WO2013104689A1 Muffler arrangement |
| 07/18/2013 | US20130180798 Exhaust system of engine |
| 07/18/2013 | DE102012200456A1 Schalldämpfer-Anordnung Muffler assembly |
| 07/17/2013 | CN203067070U Corrosion-resistant sound-absorbing exhaust pipe |
| 07/17/2013 | CN203067061U Gasoline engine exhaust silencer |
| 07/17/2013 | CN203067060U Car sound eliminator |