| Patents for F01N 1 - Silencing apparatus characterised by method of silencing (8,998) |
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| 03/06/2008 | US20080053747 Active muffler for an exhaust system |
| 03/06/2008 | US20080053078 Two-stroke lean burn gas engine with a silencer/catalytic converter |
| 03/05/2008 | EP1895118A1 Passive secondary air muffler |
| 03/05/2008 | EP1616083A4 Muffler and catalytic converter devices |
| 03/05/2008 | CN101137824A Compressor sound suppression |
| 03/04/2008 | US7337877 Variable geometry resonator for acoustic control |
| 03/04/2008 | US7337876 Suction apparatus with noise reduction means |
| 02/28/2008 | DE102007039683A1 Silencer i.e. reflection silencer, for internal combustion engine, has insertion units with boreholes, whose part is inserted in foil or plate, where narrow passage ducts are designed as boreholes and has cross-sectional forms |
| 02/27/2008 | EP1892392A2 Exhaust treatment devices and methods for reducing sound using the exhaust treatment devices |
| 02/27/2008 | EP1891308A2 Muffler unit for general-purpose engine |
| 02/27/2008 | EP1707773B1 Exhaust gas purifier |
| 02/27/2008 | EP1546515B1 Exhaust after-treatment system for the reduction of pollutants from diesel engine exhaust and related method |
| 02/27/2008 | CN100371567C Exhaust-gas muffler |
| 02/26/2008 | US7334663 Variable resonator |
| 02/21/2008 | US20080041657 Muffler duct |
| 02/21/2008 | US20080041474 Fluid Flow Controller |
| 02/21/2008 | DE202007012019U1 Abgassystem für Kraftfahrzeuge mit Verbrennungsmotoren Exhaust system for vehicles with internal combustion engines |
| 02/20/2008 | EP1888884A1 Air intake silencer assembly |
| 02/20/2008 | CN201025096Y Rectangle muffler |
| 02/20/2008 | CN201025095Y A muffler |
| 02/20/2008 | CN100370118C Combined waste gas after-treatment nose-eliminating equipment in waste gas pipeline of internal combustion engine |
| 02/19/2008 | US7331950 Apparatus for containing noise generated by a pneumatically powered surgical instrument and related method |
| 02/19/2008 | US7331422 Vortex muffler |
| 02/19/2008 | CA2310291C Exhaust gas muffler for internal combustion engines |
| 02/14/2008 | WO2008018821A1 A device for attenuating and/or directing sound, and a work machine |
| 02/14/2008 | WO2008018630A1 Muffler and engine exhaust apparatus |
| 02/14/2008 | WO2007135521A3 Muffler |
| 02/14/2008 | US20080035422 Marine muffler with angularly disposed internal baffle |
| 02/14/2008 | US20080035420 Muffler of Internal Combustion Engine |
| 02/14/2008 | US20080035419 Muffler diffuser |
| 02/14/2008 | US20080035418 Exhaust sound and emission control systems |
| 02/14/2008 | DE202006014186U1 Schalldämpferanlage für Zweitaktverbrennungsmotore Exhaust system for two-stroke internal combustion engines |
| 02/14/2008 | DE102006037801A1 Damping insert for exhaust systems or exhaust silencers of vehicles, has inserts, which sectionally overlaps within range of wall openings and is moved related to each other |
| 02/12/2008 | US7328574 Exhaust line and motor vehicle equipped therewith |
| 02/07/2008 | WO2008015046A1 Apparatus for sound absorbing in a tubular channel |
| 02/07/2008 | WO2008014659A1 A pulse muffler for an air conditioner |
| 02/07/2008 | DE112006000693T5 Schalldämpfer für Brennstoffzelle Silencer for fuel cell |
| 02/07/2008 | DE102006036240A1 Casted housing for use in exhaust-gas turbocharger of internal-combustion engine, has chamber surrounded by gas guiding channel, where end of chamber leads to opening at outer side of housing, and opening is locked using connecting piece |
| 02/07/2008 | DE102006035755A1 Vorrichtung zur Schalldämpfung in einem Rohrkanal Device for sound damping in a pipe duct |
| 02/07/2008 | DE102006035297A1 Internal-combustion engine exhaust system sound changing device for vehicle, has control and resonance devices that act together such that part of exhaust gas stream is deviated into passage and through conduit based on position of roller |
| 02/06/2008 | CN201018210Y Denoise system of square-cabinet power station |
| 02/06/2008 | CN201018209Y Square-cabinet power station |
| 02/06/2008 | CN100366869C Exhaust silencer |
| 02/06/2008 | CN100366868C Sound damper and structural design method therefor |
| 02/05/2008 | US7325652 Bumper/muffler assembly |
| 02/05/2008 | US7325651 Motorcycle exhaust system |
| 02/05/2008 | US7325474 Silencer |
| 01/31/2008 | WO2008013018A1 Structure for exhaust pipe connection section of muffler |
| 01/31/2008 | US20080023265 Combination Silencer |
| 01/31/2008 | US20080023264 Muffler having adjustable butterfly valve for improved sound attenuation and engine performance |
| 01/31/2008 | US20080023263 Intake and exhaust guide device for pneumatic tool |
| 01/31/2008 | DE102007026933A1 Umdrehbarer Partikelfilter für ein Dieselabgassystem Reversible particle filters for diesel exhaust system |
| 01/30/2008 | EP1882828A1 Homologated racing exhaust gas silencer |
| 01/30/2008 | EP1395743B1 Silencer |
| 01/30/2008 | CN201013428Y Adjustable automobile silencer |
| 01/30/2008 | CN201013426Y 2.5KW universal petrol engine silencer with binary catalytic filter |
| 01/30/2008 | CN201013425Y 2KW universal petrol engine silencer with binary catalytic filter |
| 01/30/2008 | CN201013421Y Modified automobile silencer |
| 01/30/2008 | CN201013420Y Motorcycle sound absorber |
| 01/30/2008 | CN100365703C Active vibratory noise control apparatus |
| 01/24/2008 | WO2008009291A1 Lubricating apparatus for a dosing system for cylinder lubrication oil and method for dosing cylinder lubricating oil |
| 01/24/2008 | US20080020659 Idle exhaust structure for outboard motor |
| 01/24/2008 | US20080017444 Vehicle muffler |
| 01/24/2008 | US20080017443 Delivery Pipe |
| 01/23/2008 | EP1714033B1 A compressor |
| 01/17/2008 | WO2008006600A1 Production of openings in a metal foil and the honeycomb body thus produced for the treatment of exhaust gases |
| 01/17/2008 | WO2008006383A1 Manufacture-friendly silencer |
| 01/17/2008 | WO2007133372A3 Insulating sleeve with wire mesh and wire cloth |
| 01/17/2008 | US20080011541 Internal combustion engine |
| 01/17/2008 | DE102006042224B3 Active sound absorber for exhaust-gas system of internal-combustion engine particularly in motor vehicle, has anti sound generator comprises membrane drive, with which anti sound generator is coupled with external wall of sound absorber |
| 01/16/2008 | EP1878008A1 A sound dampening flow channel device |
| 01/16/2008 | EP1678412A4 Exhaust gas control in an engine having a two-stage turbocharger |
| 01/10/2008 | US20080008612 Muffler of scroll compressor |
| 01/10/2008 | DE102007029344A1 Damping pipe e.g. inlet conduit , for e.g. internal combustion engine, has circumferential wall with connection opening and through-hole, which is opened in resonance box, and interiors of pipe body and box directly connected by opening |
| 01/10/2008 | DE102007022350A1 Verbrennungsmotor Combustion engine |
| 01/09/2008 | EP1875049A1 Compressor muffler |
| 01/09/2008 | CN101103181A Muffler |
| 01/09/2008 | CN101100953A Porous intermittent exhaust type motorcycle muffler |
| 01/08/2008 | US7316292 Spun extrusion side entry muffler |
| 01/02/2008 | EP1873364A1 Silencer |
| 01/02/2008 | CN200999946Y Power generation combined machine cabinet |
| 01/02/2008 | CN200999641Y Small-sized petrol engine silencer |
| 01/02/2008 | CN101096022A Texture sprayer and noise reducer |
| 01/01/2008 | US7314113 Acoustic absorbers for use with computer cabinet fans and other cooling systems |
| 12/27/2007 | WO2007148659A1 Muffler |
| 12/27/2007 | DE202006012949U1 Geräuschdämpfer für eine Brennkraftmaschine Silencer for an internal combustion engine |
| 12/26/2007 | CN200996314Y Exhaust of motorcycle |
| 12/26/2007 | CN200996312Y Waste heat recovery device with tailed-gas silencing function for natural-gas engine |
| 12/26/2007 | CN101092896A Active device for controlling noise of diesel motor set |
| 12/21/2007 | WO2007146770A1 Exhaust deflector for a muffler |
| 12/20/2007 | US20070289810 Carbon deposition eliminator for vehicle exhaust pipe |
| 12/19/2007 | EP1867844A1 Exhaust gas control valve, and silencer provided with said control valve |
| 12/19/2007 | CN200993037Y Silencer sound-regulating tail cap |
| 12/19/2007 | CN100356660C Muffler for general gasoline generating set |
| 12/19/2007 | CN100356060C Piston pump |
| 12/18/2007 | US7308967 Sound suppressor |
| 12/13/2007 | WO2007142181A1 Muffler |
| 12/13/2007 | US20070284187 Exhaust deflector for a muffler |
| 12/13/2007 | US20070284186 Exhaust system |
| 12/13/2007 | US20070283680 Exhaust Processor And Associated Method |