| Patents for F01N 1 - Silencing apparatus characterised by method of silencing (8,998) |
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| 09/13/2004 | CA2460657A1 Pneumatic tool muffler |
| 09/10/2004 | WO2004075623A2 Embossed shell for spun mufflers |
| 09/10/2004 | CA2516983A1 Embossed shell for spun mufflers |
| 09/09/2004 | US20040173175 Helmholtz resonator |
| 09/08/2004 | CN2639533Y Exhaust damping system of water-cooled internal-combustion engine |
| 09/08/2004 | CN1165673C Device for recovering heat energy from waste gas from engine |
| 09/02/2004 | US20040169373 Sound insulation for outboard motors |
| 09/01/2004 | EP1451455A1 Exhaust system and a method of producing the same |
| 09/01/2004 | EP1451451A1 Gas expansion silencer |
| 09/01/2004 | CN2637742Y Exhaust silencer for motorcycle |
| 08/26/2004 | US20040166747 Exhaust system for small watercraft and personal watercraft |
| 08/26/2004 | US20040166296 Flexible corrugated multilayer metal foil shields and method of making |
| 08/26/2004 | US20040163887 Exhaust silencer system |
| 08/26/2004 | US20040163886 Air turbine for combustion engine |
| 08/26/2004 | US20040163885 Embossed shell for spun mufflers |
| 08/26/2004 | US20040163884 Resonating device for a pneumatic surgical instrument |
| 08/26/2004 | US20040163253 Manufacturing method of a muffler assembly |
| 08/26/2004 | DE10341668A1 Reduction of material and acoustic emissions from exhaust gases involves passing exhaust gas stream in uniform flow through tubes and tube bundles containing catalytically-active substances and absorbents |
| 08/26/2004 | DE10246596B4 Schalldämpfer, insbesondere für Heizgerät Muffler, especially for heater |
| 08/25/2004 | EP1450014A1 Muffler |
| 08/25/2004 | CN1523205A Method of making silencer |
| 08/19/2004 | WO2004070174A1 Sound absorber for hot gas |
| 08/19/2004 | US20040159358 Method and apparatus for producing a honeycomb body, and a honeycomb body |
| 08/19/2004 | DE10303947A1 Schalldämpfer für ein Heizgerät, insbesondere Fahrzeugheizgerät Silencer for a heating device, in particular vehicle heater |
| 08/18/2004 | EP1447534A2 Muffler |
| 08/18/2004 | EP1383989A4 Pneumatic hand tool exhaust muffler having inner and outer tubes |
| 08/18/2004 | CN2634125Y Motorcycle silencer |
| 08/17/2004 | US6776257 Sound-attenuating muffler having reduced back pressure |
| 08/12/2004 | US20040154860 Exhaust silencer |
| 08/12/2004 | US20040154289 Muffler assembly |
| 08/12/2004 | DE10304326A1 Schalldämpferanordnung Muffler assembly |
| 08/12/2004 | DE10124235B4 Verfahren und Vorrichtung zur umfassenden Charakterisierung und Kontrolle des Abgases und der Regelung von Motoren, speziell von Verbrennungsmotoren, und von Komponenten der Abgasnachbehandlung Method and apparatus for the characterization and control of the exhaust gas and the control of motors, especially of internal combustion engines and aftertreatment components |
| 08/11/2004 | EP1445453A2 A silencer and a method of operating a vehicle |
| 08/11/2004 | EP1445437A1 Silencer with variable tuning system and method of operating such a silencer |
| 08/05/2004 | US20040152595 Honeycomb body having a contraction limiter |
| 08/05/2004 | US20040149515 Muffler |
| 08/05/2004 | US20040149514 Noise attenuation assembly |
| 08/05/2004 | DE202004002951U1 Soot filter, for treating vehicle IC motor exhaust gas, is removably fitted into end of exhaust pipe as rectangular box |
| 08/04/2004 | EP1442905A2 Silencer for a heater, in particular for a vehicle heating device |
| 08/03/2004 | US6769944 Exhaust and drain structure for vessels |
| 08/03/2004 | US6769511 Variable tuned exhaust system |
| 07/29/2004 | WO2004063540A1 Space-saving unit for post-treating exhaust gases provided with round-tripping imbricated flow areas having a gas input and output on the same side |
| 07/28/2004 | EP1440227A1 Filter composite and method for the production thereof |
| 07/22/2004 | DE10301138A1 Exhaust gas treatment unit, useful for reducing automobile pollutant emissions, has connector, such that gas passes through forward flow zone of honeycomb structure and then through backflow zone |
| 07/22/2004 | DE10300773A1 Exhaust gas unit for a multicylinder combustion engine especially for a motor vehicle has perforated mixing chamber from which exhaust gas enters an expansion chamber |
| 07/22/2004 | DE10060522B4 Abgas-Schalldämpfer für ein brennstoffbetriebenes Heizgerät Exhaust muffler for a fuel-driven heater |
| 07/21/2004 | EP1438490A1 Housing arranged in an exhaust gas system for a combustion engine |
| 07/20/2004 | US6764361 Personal watercraft |
| 07/15/2004 | WO2004059134A1 Muffler for motor vehicle |
| 07/15/2004 | WO2004029561A3 Exhaust sound and emission control systems |
| 07/15/2004 | US20040134713 Muffler device |
| 07/15/2004 | US20040134188 Exhaust emission control system for engine |
| 07/15/2004 | DE4205489B4 Schalldämpfer für Gebläse Silencers for Blowers |
| 07/15/2004 | DE10044604B4 Verfahren zum Erzeugen eines an harmonischen Frequenzen reichen, sportlich klingenden Ansaug- und/oder Auspuffgeräusches bei Viertaktmotoren A method for generating a rich harmonic frequencies, sporty sounding intake and / or exhaust noise for four-stroke engines |
| 07/14/2004 | EP1436490A1 Housing arranged in an exhaust gas system for a combustion engine |
| 07/14/2004 | EP1325216B1 Method of manufacturing an absorption muffler for motor vericles and absorption muffler |
| 07/13/2004 | US6761239 Exhaust system of motorcycle |
| 07/07/2004 | EP1327059B1 Device for treating waste gases resulting from technical combustion processes |
| 07/07/2004 | EP1034360B1 Sound muffling material and method of making thereof |
| 07/07/2004 | CN1511223A Method and device for production of honeycomb body and honeycomb bodies |
| 07/06/2004 | US6758998 Method and device for inserting fibers in expanded form into a cavity or depositing them on a surface |
| 07/06/2004 | US6758042 Exhaust device with an electric generator |
| 07/01/2004 | WO2004011783A3 System and method for reducting pollutants from diesel engine exhaust |
| 07/01/2004 | US20040124035 Flapper finger valve assembly |
| 07/01/2004 | US20040124031 Rear structure of motorcycle |
| 07/01/2004 | US20040123592 Motorcycle exhaust enhancers |
| 07/01/2004 | DE10196315T5 Strömungsmittelflussimpulsdämpfer Fluid flow pulse damper |
| 06/30/2004 | CN2622398Y Exhaust muffer for gas turbine |
| 06/29/2004 | US6755279 Controllable muffler system for internal combustion engine |
| 06/24/2004 | US20040118632 Exhaust processor with variable tuning system |
| 06/24/2004 | US20040118631 Herschel-Quincke tube for vehicle applications |
| 06/23/2004 | CN2621225Y Multi-channel shunt frequency-mixing sliencing purifier |
| 06/22/2004 | US6752240 Sound attenuator for a supercharged marine propulsion device |
| 06/22/2004 | US6752239 Muffler arrangement structure |
| 06/22/2004 | CA2180639C Exhaust gas purifier |
| 06/16/2004 | EP1427919A1 Muffler shell filling process and muffler filled with fibrous material |
| 06/15/2004 | US6748736 Device for selectively cooling a motor vehicle engine exhaust gases |
| 06/10/2004 | US20040108162 Sound level adjustable muffler |
| 06/10/2004 | US20040108160 Rear structure of motorcycle |
| 06/09/2004 | EP1117965B1 Reactive silencer for industrial air channels and its use |
| 06/09/2004 | EP1015739B1 Noise attenuating apparatus |
| 06/09/2004 | DE20301721U1 Schalldämpfer für heißes Gas Silencer for hot gas |
| 06/08/2004 | US6746290 Idle exhaust system for outboard motor |
| 06/08/2004 | US6745863 Exhaust system structure for motorcycle |
| 06/03/2004 | US20040104071 Apparatus for damping resonance in a conduit |
| 06/03/2004 | DE10254631A1 Exhaust silencer for internal combustion engine incorporates Helmholz resonator with tube concentrically surrounding through tube leading into reflection damping chamber |
| 06/03/2004 | DE10144674B4 Verfahren zur Erkennung einer Fehlfunktion an einer Abgasklappeneinrichtung und/oder einer Saugrohrumschalteinrichtung Method for detecting a malfunction of an exhaust gas flap device and / or a Saugrohrumschalteinrichtung |
| 06/02/2004 | EP1424488A1 Vortex spinning device for an automotive vehicle |
| 06/02/2004 | CA2449392A1 Sound level adjustable muffler |
| 06/01/2004 | US6742623 Muffler for internal combustion engine |
| 06/01/2004 | US6742332 Exhaust system for internal combustion engine having parallelogram-shaped cross-section |
| 05/27/2004 | WO2004044331A1 Gas discharge device for a construction vehicle |
| 05/27/2004 | WO2002064953A8 Silencer and exhaust gas system comprising a silencer |
| 05/27/2004 | US20040099477 Sound absorbent |
| 05/27/2004 | US20040099475 Muffling device and method for internal combustion engine |
| 05/27/2004 | DE20300769U1 Abgasschalldämpfer Exhaust muffler |
| 05/26/2004 | EP1421266A1 Muffler shell filling process, muffler filled with fibrous material and vacuum filling device |
| 05/26/2004 | CN2617931Y Silencer of low-noise diesel engine generator set |
| 05/26/2004 | CN1499051A Exhauster of I.C. engine |
| 05/26/2004 | CN1499049A Waste discharge controlling system for engine |