| Patents for F01N 1 - Silencing apparatus characterised by method of silencing (8,998) |
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| 09/16/2009 | CN201310397Y Exhaust silencer |
| 09/16/2009 | CN101532411A Rear silencer device of car |
| 09/16/2009 | CN101531159A Attract device and attract car |
| 09/15/2009 | US7588424 Linear compressor unit |
| 09/11/2009 | WO2009111096A1 Snap-action valve for exhaust system |
| 09/11/2009 | WO2009110843A1 Sound absorbing baffle and arrangement for a baffle |
| 09/11/2009 | WO2009110060A1 Sound-deadening structure of vent tube and sound-deadening structure of case |
| 09/10/2009 | US20090223740 Silencer of Exhaust Gases, in Particular for Motor Vehicles |
| 09/09/2009 | EP2097621A1 Container device adapted to be arranged in an exhaust system of a combustion engine |
| 09/09/2009 | CN201306201Y Displacement-type sound absorption device |
| 09/09/2009 | CN201306200Y Multihole in-line motorcycle muffler |
| 09/09/2009 | CN100538030C Exhausting silencer |
| 09/09/2009 | CN100538029C Muffler for noise reduction |
| 09/09/2009 | CN100538028C Silencer |
| 09/08/2009 | US7584821 Adjustable helmholtz resonator |
| 09/03/2009 | WO2009107376A1 Sound absorber |
| 09/03/2009 | WO2009107375A1 Exhaust device for internal combustion engine |
| 09/03/2009 | WO2009106123A1 Silencer for valve equipment for blow-moulding machines |
| 09/03/2009 | US20090218164 Double throat pulsation dampener for a compressor |
| 09/02/2009 | EP2094950A1 Exhaust muffler comprising a catalytic converter |
| 09/02/2009 | CN201301745Y Blowdown muffler |
| 09/02/2009 | CN101523020A Exhaust apparatus of vehicle engine |
| 09/01/2009 | US7582266 the cross-sectional areas of one of the subsets of channels differs along the axial length of the honeycomb body, transient time of the exhaust gas in the different subsets of channels is different which dampens sounds of different wavelengths |
| 09/01/2009 | US7581620 Marine muffler with angularly disposed internal baffle |
| 08/27/2009 | WO2009103561A1 Exhaust gas control system and exhaust gas control method |
| 08/27/2009 | DE102008015016B3 Silencer arrangement for exhaust system of motor vehicle, has silencer housing divided into two chambers, where one chamber is formed as Helmholtz resonator that amplifies frequency portion of sound passing through separating wall |
| 08/26/2009 | CN201297196Y Muffling exhaust tube for motorcycle |
| 08/26/2009 | CN101516178A Combine |
| 08/26/2009 | CN101514649A Muffler |
| 08/20/2009 | DE102009007355A1 Spiralförmiger Auslasskanal Spiral outlet channel |
| 08/19/2009 | CN201292876Y Exhausting pipe |
| 08/19/2009 | CN101512112A Lubricating apparatus for a dosing system for cylinder lubrication oil and method for dosing cylinder lubricating oil |
| 08/19/2009 | CN101509409A Diesel engine silencer |
| 08/19/2009 | CN100529343C Exhausting silencer |
| 08/19/2009 | CN100528682C 摩托车 Motorcycle |
| 08/18/2009 | US7575492 Muffler support structure for a small boat |
| 08/18/2009 | US7575096 Pressed assembly for passive valve installation |
| 08/13/2009 | WO2009099986A2 Mufflers with polymeric bodies and process for manufactiuring same |
| 08/13/2009 | WO2009099399A1 Vacuum creating exhaust muffler for internal combustion engines |
| 08/13/2009 | US20090200105 Silencer apparatus with disposable silencer cartridge unit |
| 08/13/2009 | US20090200103 Sonic absorption device for an air pipeline of an aircraft, in particular of an air conditioning system of an aircraft |
| 08/13/2009 | US20090199558 Exhaust stacks and power generation systems for increasing gas turbine power output |
| 08/13/2009 | DE202009005535U1 Tuningendschalldämpfereinsatz mit einer nicht sichtbaren manuellen Verstelleinheit für einen Auspuff von motorisierten Fahrzeugen Tuning rear muffler insert with an invisible manual adjustment for an exhaust of motor vehicles |
| 08/12/2009 | EP2087217A1 Housing for exhaust silencers |
| 08/12/2009 | CN201288668Y Novel labyrinth type inhaling muffler |
| 08/12/2009 | CN201288598Y Titanium alloy muffler |
| 08/12/2009 | CN201288597Y Exhaust reduction muffler for automobile |
| 08/12/2009 | CN100526107C Noise reduction structure for hybrid vehicle |
| 08/11/2009 | US7571789 Muffler for exhaust systems of vehicles |
| 08/06/2009 | WO2009096336A1 Muffler for connection to exhaust system of internal combustion engine |
| 08/06/2009 | US20090194364 Mufflers with polymeric bodies and process for manufacturing same |
| 08/05/2009 | EP2085581A1 Method for manufacturing an exhaust gas vibration dampener and exhaust gas vibration dampener |
| 08/05/2009 | CN201284683Y Purification silencer for exhaust gas of diesel engine |
| 08/05/2009 | CN201284682Y Silencer structure |
| 08/05/2009 | CN101501307A Exhaust device for engine |
| 08/05/2009 | CN100523615C Combustion chamber in a gas turbine plant |
| 08/05/2009 | CN100523444C Motorcycle exhaust system |
| 08/04/2009 | US7568463 Motorcycle engine |
| 07/30/2009 | US20090188747 Method of making an exhaust-noise attenuation muffler, and exhaust-noise attenuation muffler |
| 07/30/2009 | US20090188126 Silencer for Drying Appliance and Silent Hair Dryer |
| 07/30/2009 | DE102008006049A1 Flow rate controller for medium, particularly gas, for internal-combustion engine of motor vehicle, has housing and positioning element that is arranged in housing in rotary manner |
| 07/29/2009 | EP1781907B1 Combination silencer |
| 07/29/2009 | CN201280964Y Exhaust for gasoline engine |
| 07/29/2009 | CN101495723A Device for influencing an exhaust gas flow |
| 07/29/2009 | CN101495722A Structure for exhaust pipe connection section of muffler |
| 07/29/2009 | CN101495721A Tubular acoustic silencer |
| 07/28/2009 | US7565950 Sound suppression material and method |
| 07/23/2009 | DE202008003363U1 Auspuffanlage für Kraftfahrzeuge und Motorräder Exhaust system for motor vehicles and motorcycles |
| 07/23/2009 | DE102008005458A1 Air and gas-supply pipe's flow noise reducing device i.e. diffuser damper, for engine compartment of motor vehicle, has inner pipe section connected with air and gas-supply pipe via separation wall and guided to pipe via nozzle |
| 07/23/2009 | DE102008005446A1 Device for lowering airborne sound of flow noises of air and gas-prominent pipes, has air and gas-prominent pipe and laterally added volumes, where laterally added volumes are divided into volume chambers |
| 07/22/2009 | EP1982055B1 Method for producing a frequency spectrum in an exhaust pipe of an internal combustion piston engine |
| 07/22/2009 | CN201277080Y Automobile exhaust pipe |
| 07/22/2009 | CN201277079Y Rear silencer of car engine |
| 07/22/2009 | CN101487407A Vehicle muffler and vehicle |
| 07/22/2009 | CN100516474C Muffler |
| 07/21/2009 | US7562742 Air exhaust/inlet sound attenuation mechanism |
| 07/21/2009 | US7562741 Rear muffler assembly |
| 07/16/2009 | WO2009087270A1 Exhaust silencer |
| 07/16/2009 | WO2009086619A1 Muffler for pneumatic handheld tool |
| 07/16/2009 | US20090178881 Resonator arrangement in an acoustic muffler for a refrigeration compressor |
| 07/16/2009 | DE202009004639U1 Schalldämpfer für Verbrennungsmotoren mit variierbaren Dämpfungsgraden Silencer for internal combustion engines with variable damping ratios |
| 07/16/2009 | CA2711385A1 Muffler for pneumatic handheld tool |
| 07/15/2009 | EP2078833A2 Sound pressure dampener for an auxiliary assembly for a motor vehicle |
| 07/15/2009 | EP2078832A2 Exhaust after-treatment system for the reduction of pollutants from diesel engine exhaust and related method |
| 07/15/2009 | CN201273205Y Taper shaped silencer |
| 07/15/2009 | CN201273204Y Cylinder shaped silencer |
| 07/15/2009 | CN101484668A Device for influencing an exhaust gas flow |
| 07/15/2009 | CN101482045A Silencer of all-terrain vehicle |
| 07/14/2009 | US7559406 Acoustic fluid machine |
| 07/09/2009 | US20090173568 Device and method for active noise cancellation in exhaust gas channel of a combustion engine |
| 07/08/2009 | CN201269125Y Sound-elimination exhausting equipment used for motor tricycle |
| 07/08/2009 | CN201269124Y Inner container of silencing apparatus for internal combustion engine |
| 07/08/2009 | CN100510332C Muffler for internal combustion engine |
| 07/07/2009 | US7556123 Muffler duct |
| 07/02/2009 | WO2009079727A1 System for attenuating pulsation in the gas discharge of a refrigeration compressor |
| 07/02/2009 | US20090166125 Acoustic load mitigator |
| 07/02/2009 | DE10115734B4 Auspuffsteuerventil Exhaust control valve |
| 07/01/2009 | EP2075426A1 Sliding fit and exhaust gas treatment device |
| 07/01/2009 | CN101473114A Muffler |
| 07/01/2009 | CN101473113A A muffler for an exhaust system |