| Patents for F01N 1 - Silencing apparatus characterised by method of silencing (8,998) |
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| 02/03/2005 | US20050023076 Bumper/muffler assembly |
| 02/03/2005 | US20050023075 Reduced noise valve stack connection |
| 02/03/2005 | US20050022798 Automatic choke for an engine |
| 02/03/2005 | US20050022520 Exhaust gas cleaning system |
| 02/03/2005 | US20050022515 Motor vehicle having special arrangement of fuel tank, preliminary muffler and reduction agent tank |
| 02/03/2005 | DE202004015859U1 Multiple tube end silencer for model vehicle has metal to close at both ends by having metal sheet soldered or welded on to it |
| 02/03/2005 | DE10331620A1 Vorrichtung zur Geräuschgestaltung bei einem Kraftfahrzeug Apparatus for noise in a motor vehicle |
| 02/03/2005 | CA2532700A1 Improved muffler |
| 02/02/2005 | EP1503055A1 Vehicle with a special arrangement of a fuel tank, a secondary muffler and a reduction agent tank |
| 02/02/2005 | CN2676069Y Smoke discharging ventilating composite sound damping device |
| 02/02/2005 | CN1573917A Active vibratory noise control apparatus |
| 02/02/2005 | CN1573916A Active vibratory noise control apparatus |
| 02/02/2005 | CN1573199A Noise reduction structure of porous plate |
| 02/01/2005 | US6848252 Exhaust enhancement for aftermarket motorcycle exhaust pipes with a straight pipe type design and with inside pipe diameter from 1.875″ and larger |
| 01/27/2005 | WO2005007438A2 Silencing equipment for an air-cooling assembly |
| 01/27/2005 | US20050020152 Exhaust system for small-sized boat |
| 01/27/2005 | US20050016792 Noise suppressor apparatus for a gas duct |
| 01/27/2005 | DE10329436A1 Exhaust gas cleaning system for a motor vehicle combustion engine comprises two parallel cleaning elements that are staggered but overlapping along the long axis |
| 01/27/2005 | DE10322570A1 Noise damper for a combustion engine especially for a motor vehicle has two membranes capable of oscillation acoustically coupled to the gas tube and force coupled together |
| 01/27/2005 | DE10209577B4 Schalldämpfer mit Katalysator Muffler with catalytic converter |
| 01/26/2005 | EP1500798A1 Silencer and exhaust system |
| 01/26/2005 | CN2674121Y Exhaust noise silencer for automobile engine |
| 01/26/2005 | CN2674120Y Gas vantilation noise silencer |
| 01/26/2005 | CN1570360A Environmental protection low discharging device capable of controlling exhaust noise and black smoke for diesel engine vehicles |
| 01/20/2005 | WO2005005800A1 Device for modulating noise in a motor vehicle |
| 01/20/2005 | WO2005005796A1 Muffler insert and method |
| 01/20/2005 | WO2005005795A2 Device for sealing the discharge end of a pipe in the exhaust system of an internal combustion engine |
| 01/20/2005 | WO2004078581A3 Sound insulation for outboard motors |
| 01/20/2005 | US20050011700 Devices for regulating pressure and flow pulses |
| 01/20/2005 | US20050011699 Muffler |
| 01/20/2005 | US20050011698 Internal combustion engine exhaust system |
| 01/20/2005 | US20050011697 Muffler |
| 01/20/2005 | DE10329336A1 Klappenventil Flap valve |
| 01/19/2005 | EP1498584A1 Muffler |
| 01/19/2005 | CN2672292Y Cool breeze silencer |
| 01/19/2005 | CN2672291Y Anti-rust motorcycle silencer |
| 01/19/2005 | CN1566734A Method and apparatus for obstructing transmission route of acoustic wave in fluid channel when fluid passing |
| 01/12/2005 | EP1495214A1 Exhaust chamber comprising an envelope defining a gas circulation passage |
| 01/12/2005 | CN1184413C Gas turbie exhaust passage and damper system for same |
| 01/11/2005 | US6840348 Exhaust muffler |
| 01/11/2005 | US6840039 Exhaust manifold for improvement of purification efficiency and lifetime of a catalytic converter |
| 01/06/2005 | US20050001012 Technique to fill silencers |
| 01/06/2005 | US20050000743 Herschel-Quincke tube arrangements for motor vehicles |
| 01/05/2005 | EP1493951A2 Butterfly valve |
| 01/05/2005 | DE10328144A1 Arrangement for sound damping in pipe channel, e.g. in air induction channel for internal combustion engine, has main channel made in one piece with spiral channel |
| 01/05/2005 | CN2668865Y Dual sound-absorbing pipe heat-protective exhaust muffler for marine diesel engine |
| 01/05/2005 | CN2668864Y Spiral sound-absorbing pipe exhaust muffler for marine diesel engine |
| 01/05/2005 | CN2668863Y Gas or steam dispersion special-efficient silencer |
| 01/05/2005 | CN2668862Y Corrugated pipe shock-avoiding impedance composite silencer |
| 01/05/2005 | CN2668861Y Automobile energy-saving silencer |
| 01/05/2005 | CN2668860Y Automobile silencer |
| 01/05/2005 | CN2668513Y Noise-removing device of pneumatic system for aluminium plastic bubble-cap packaging machine |
| 01/05/2005 | CN1183315C Silencer |
| 01/04/2005 | US6837336 Apparatus for treating a gas stream |
| 01/04/2005 | US6837335 Catalytic cartridge is located in the baffle tube, which is easily inserted and removed from the housing |
| 12/30/2004 | US20040262077 Mufflers with enhanced acoustic performance at low and moderate frequencies |
| 12/30/2004 | US20040261404 Exhaust line and motor vehicle equipped therewith |
| 12/30/2004 | DE202004012183U1 Exhaust gas silencer with reduced back pressure has a cylindrical body with semicircular perforated baffle plates set in an interdigitated array |
| 12/29/2004 | WO2004113697A1 Locking device for the mounting of at least one exhaust cleaning component in an exhaust passage |
| 12/29/2004 | WO2004113690A1 Housing to be arranged in an exhaust system of a combustion engine |
| 12/29/2004 | CN2667169Y Tail gas discharge device for vehicle type crane |
| 12/29/2004 | CN1558092A Exhaust and noise elimination method of internal combustion engine and apparatus thereof |
| 12/23/2004 | WO2004111520A1 Noise attenuation apparatus mounted on the liquid conducting conduits and method for using the same |
| 12/23/2004 | WO2004111397A1 Method and device for attenuating the noise generated at the outlet of an exhaust line |
| 12/23/2004 | WO2004075623A3 Embossed shell for spun mufflers |
| 12/23/2004 | US20040258252 Active vibratory noise control apparatus |
| 12/23/2004 | US20040258251 Active vibratory noise control apparatus |
| 12/23/2004 | US20040256174 Gas expansion silencer |
| 12/22/2004 | EP1489595A2 Active vibratory noise control apparatus for cancelling noise inside a vehicle |
| 12/22/2004 | EP1489594A2 Active vibratory noise control apparatus for cancelling noise inside a vehicle |
| 12/22/2004 | EP1488083A2 Reverse flow catalytic muffler |
| 12/22/2004 | CN2665367Y Silencing apparatus for car exhaust gas purifier |
| 12/22/2004 | CN2665366Y Silencing apparatus |
| 12/22/2004 | CN2665365Y Silencer |
| 12/21/2004 | US6832872 Gas discharge device for a construction vehicle |
| 12/21/2004 | US6832665 Exhaust gas muffler |
| 12/15/2004 | EP1330814B1 Preventing oscillations in flow systems |
| 12/15/2004 | EP1276975A4 Improved marine engine silencer |
| 12/15/2004 | CN2663663Y Silencer casing |
| 12/09/2004 | WO2004106704A1 Exhaust regulating unit of exhaust sytem for internal combustion engine |
| 12/09/2004 | US20040245044 Tuned muffler for small internal combustion engines |
| 12/09/2004 | US20040244853 Fluid flow controller |
| 12/09/2004 | DE19834864B4 Brennkammer eines Brenners für ein Fahrzeugheizgerät oder einen Abgas-Partikelfilter, mit Luftzuführungsstutzen und Schlitzen in der Stutzenwand Combustion chamber of a burner for a vehicle heater or an exhaust particulate filter, air supply connection and slots in the nozzle wall |
| 12/08/2004 | CN1553987A Muffler shell filling process and muffler filled with fibrous material |
| 12/07/2004 | US6826834 Manufacturing method of a muffler assembly |
| 12/02/2004 | US20040238274 Sound muffling apparatus for air operated equipment |
| 12/02/2004 | US20040238273 Interchangeable core muffler |
| 12/02/2004 | US20040238272 Muffler with helmholtz resonator having multiple degrees of freedom |
| 12/02/2004 | US20040237505 Method and device for the comprehensive characterisation and monitoring of exhaust gases and the regulation of engines in particular internal combustion engines and components for the treatment of exhaust gas |
| 12/02/2004 | DE10321848A1 Gas flow generating device, for investigation sound propagation influencing measures e.g. in vehicle combustion engine, comprises a flow channel with uniform flow and channel blocking arrangement that can be cyclically operated |
| 12/02/2004 | DE10319212A1 Schalldämpfer mit variablen akustischen Eigenschaften Silencer with variable acoustic properties |
| 12/01/2004 | EP1482137A1 Muffler with helmholtz resonator having multiple degrees of freedom |
| 12/01/2004 | EP1352172B1 Silencer with a plurality of resonance chambers |
| 12/01/2004 | CN2660137Y Environmental proection automobile silencer |
| 12/01/2004 | CN1177997C Two-stroke internal combustion engine |
| 11/30/2004 | US6824743 Redesigned housing for internal combustion engine muffler system |
| 11/25/2004 | WO2004101960A2 Sound-attenuating muffler having reduced back pressure |
| 11/25/2004 | US20040231913 Noise muffler for oxygen concentrator |
| 11/25/2004 | US20040231912 Combustion resonator |
| 11/25/2004 | DE202004014262U1 Sound absorber for a motorcycle comprises a tubular damping element removably connected to a silencer, and a catalyst connected to the damping element and integrated in a baffle chamber of the silencer |