| Patents for F01N 1 - Silencing apparatus characterised by method of silencing (8,998) |
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| 05/15/2013 | EP2592244A1 Muffler |
| 05/15/2013 | CN202937340U Exhaust system of crane |
| 05/15/2013 | CN202937331U Energy-saving environment-friendly noise reducing silencer |
| 05/15/2013 | CN102226421B Heat collecting silencer of internal combustion engine |
| 05/14/2013 | US8439159 Exhaust muffler for internal combustion engines |
| 05/14/2013 | US8439158 Acoustic resonator and sound chamber |
| 05/14/2013 | US8439156 Muffler with controlled pressure release |
| 05/10/2013 | WO2013065798A1 Exhaust pipe structure for hybrid car |
| 05/08/2013 | EP2589767A1 High temperature glass fibers |
| 05/08/2013 | EP2588720A1 Muffler |
| 05/08/2013 | DE102011117807A1 Sound damping device for gas-guiding pipe, particularly for exhaust pipe of exhaust gas system of motor vehicle, has vibratory membrane, which stays in acoustic connection with gas-guiding pipe at coupling-out point |
| 05/08/2013 | CN202926449U Novel diesel engine set silencer |
| 05/08/2013 | CN202926438U Cylindrical silencer |
| 05/08/2013 | CN202926437U Right-mounted silencer |
| 05/08/2013 | CN202926436U Noise silencing device of purification system |
| 05/08/2013 | CN202926435U Noise and emission reduction exhaust pipe for APU |
| 05/08/2013 | CN103097676A Exhaust muffler provided with tail pipe |
| 05/08/2013 | CN103097675A 消声器 Muffler |
| 05/08/2013 | CN103089373A Muffler device having function of extinguishing sparks |
| 05/08/2013 | CN103089372A Heat exchange silencer |
| 05/08/2013 | CN103089284A Pneumatic jumbolter |
| 05/08/2013 | CN102011637B Single-grade single-barrel sound attenuation exhaust pipe |
| 05/08/2013 | CN101761732B Sound insulation system for noise source |
| 05/07/2013 | US8434589 Obstruction device for reducing noise emitted from a blower |
| 05/07/2013 | US8434588 Exhaust device for vehicle internal combustion engine |
| 05/02/2013 | DE102011117495A1 Überlastungsschutz für Lautsprecher in Abgasanlagen Overload protection for speakers in exhaust systems |
| 05/01/2013 | CN202914167U Silencer with anti-scalding device |
| 05/01/2013 | CN202914162U Pneumatic rock drill |
| 05/01/2013 | CN102330588B Strip silencer |
| 04/30/2013 | US8429906 Single-wall manifold |
| 04/25/2013 | WO2013057105A1 Refrigeration appliance featuring sound damping |
| 04/24/2013 | EP2582980A2 Multi-stage low pressure drop muffler |
| 04/24/2013 | CN202900378U Engine tail-gas automatic emission and noise reduction device |
| 04/24/2013 | CN202900376U Improved pressure swing adsorption nitrogen making machine silencer |
| 04/24/2013 | CN202900375U Silencer |
| 04/24/2013 | CN202900374U Improved muffler structure |
| 04/24/2013 | CN101652539B Silencer for pneumatic device |
| 04/23/2013 | CA2727186C Exhaust device of internal combustion engine |
| 04/18/2013 | US20130092472 Acoustic attenuator for an engine booster |
| 04/18/2013 | US20130092471 Active Sound Absorbers |
| 04/18/2013 | DE102011084567A1 Aktiver Schalldämpfer Active silencer |
| 04/17/2013 | EP2581567A1 -- |
| 04/17/2013 | CN202883063U Combined-type silencer |
| 04/17/2013 | CN202883061U Waste heat recycling device of catalytic converter |
| 04/17/2013 | CN202883055U Silencing channel for generator set |
| 04/17/2013 | CN202883054U Spherical shell bundle cavity resonance combustion engine energy-saving silencer |
| 04/17/2013 | CN103046987A Box-type postprocessor assembly |
| 04/16/2013 | US8418805 Muffler for vehicle |
| 04/16/2013 | US8418804 Multiple Helmholtz resonators |
| 04/16/2013 | US8418459 Exhaust system |
| 04/16/2013 | US8418449 Variable exhaust gas deflector |
| 04/16/2013 | US8418445 Exhaust system for an internal combustion engine |
| 04/11/2013 | DE10322570B4 Schalldämpfungsvorrichtung bei einem Kraftfahrzeug Sound attenuating device in a motor vehicle |
| 04/11/2013 | DE102009054074B4 Schalldämpferanordnung in einem Abgasstrang einer Brennkraftmaschine Muffler assembly in an exhaust system of an internal combustion engine |
| 04/10/2013 | EP2577188A2 Pulsation cancellation |
| 04/10/2013 | EP2577008A2 Contained vorticies device |
| 04/10/2013 | CN202866953U Silencer assembly for air-cooled double-cylinder dipolar low noise petrol and diesel generator set |
| 04/10/2013 | CN202866952U Five-level silencer assembly of air cooling single cylinder dipolar low-noise diesel generating set |
| 04/10/2013 | CN202866951U Four-level silencer assembly of air cooling single cylinder dipolar low-noise diesel generating set |
| 04/10/2013 | CN202866950U Resistive muffler |
| 04/10/2013 | CN202866947U Main silencer of automobile exhaust pipe |
| 04/10/2013 | CN202866938U Impedance combined type muffler |
| 04/10/2013 | CN202866937U Main silencer of automobile exhaust pipe |
| 04/10/2013 | CN202866936U Micropore muffler |
| 04/10/2013 | CN202866935U Engine silencer |
| 04/10/2013 | CN202866715U Noise reduction device of oil tube repairing line |
| 04/10/2013 | CN103032132A Exhaust muffler |
| 04/10/2013 | CN102139734B Motorcycle exhaust device |
| 04/10/2013 | CN101936200B Silencer apparatus and autobicycle |
| 04/09/2013 | US8413430 Metering module with improved acoustic properties |
| 04/04/2013 | US20130081900 Silencer for an auxiliary power unit of an aircraft |
| 04/03/2013 | CN202851111U Noise reduction dirt collection device of pneumatic motor |
| 04/03/2013 | CN202851108U Muffler device and engine unit comprising the same |
| 04/03/2013 | CN103026016A Contained vorticies device |
| 04/03/2013 | CN103026015A Sound deadening device for vehicle |
| 04/03/2013 | CN103025603A Saddled vehicle |
| 04/03/2013 | CN103016102A Silencer for exhaust system of gasoline engine |
| 04/03/2013 | CN103016101A Silencer |
| 04/02/2013 | US8408359 Acoustic attenuation method based on acoustic ray deflection theory and a muffler |
| 03/28/2013 | DE102012108804A1 Kompakter Niederfrequenzresonator Compact Niederfrequenzresonator |
| 03/27/2013 | EP2573339A1 Muffler system with protector for small-sized vehicle |
| 03/27/2013 | EP2572082A2 Low ice pneumatic motor exhaust muffler |
| 03/27/2013 | CN202838946U Silencing device |
| 03/27/2013 | CN202832730U High-temperature high-pressure resistant evacuation noise deadener |
| 03/27/2013 | CN202832729U Bi-modal exhaust muffler |
| 03/27/2013 | CN202832716U Sound proof cover for pneumatic gadder |
| 03/27/2013 | CN202832715U Broadband muffler |
| 03/27/2013 | CN102996364A Wind tower structure of comprehensive energy air channel well power generation station |
| 03/27/2013 | CN102996277A Positive-displacement internal combustion engine with shunt pulsation trap |
| 03/27/2013 | CN102996215A Vertical double-cavity silencer of single-cylinder diesel |
| 03/27/2013 | CN102996205A Horizontal double-cavity silencer of single-cylinder diesel |
| 03/27/2013 | CN102996204A Muffler of comprehensive energy air channel well power generation station |
| 03/27/2013 | CN102996203A Engine silencer |
| 03/26/2013 | US8402758 Exhaust diffuser |
| 03/26/2013 | US8402756 Equal length Y-collector |
| 03/21/2013 | WO2012120037A3 Two-stroke engine comprising a muffler |
| 03/21/2013 | US20130067886 Intelligent Control of Exhaust Back-pressure Fuel-efficient Structure |
| 03/21/2013 | DE202013001264U1 Auspuff - Venturischalldämpfer Exhaust - Mufflers Venturi |
| 03/20/2013 | EP2569581A1 Attenuating section for sound attenuator in air conditioning duct and sound attenuator for air conditioning duct |
| 03/20/2013 | CN202811031U Latter silencer of automobile exhaust pipe |