| Patents for F01N 1 - Silencing apparatus characterised by method of silencing (8,998) |
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| 01/10/2002 | US20020002824 Exhaust device of internal combustion engine |
| 01/09/2002 | EP1170471A2 Exhaust device of internal combustion engine |
| 01/09/2002 | CN1330214A Tail gas cleaner |
| 01/08/2002 | US6336321 Engine exhaust assembly for a motorcycle |
| 01/03/2002 | WO2002001049A1 Exhaust volume and exhaust device comprising same |
| 01/03/2002 | US20020000343 Apparatus for damping acoustic vibrations in a combustor |
| 01/03/2002 | DE10030490A1 Exhaust gas system for internal combustion engine has control flap on main gas pipe in interior cavity preferably adjacent to entry side of casing |
| 01/02/2002 | CN2469186Y Pedal motor cycle silencer |
| 01/01/2002 | US6334506 Muffler arrangements and methods |
| 12/26/2001 | CN2467798Y Muffler for tractor |
| 12/25/2001 | US6332511 Silencer assembly having single strand fiberglass acoustic pack material |
| 12/25/2001 | US6332510 Gas flow silencer |
| 12/22/2001 | CA2351293A1 Personal watercraft having an improved exhaust system |
| 12/20/2001 | WO2001051777A3 Flow switch |
| 12/19/2001 | CN1076436C Exhaust muffler for IC engine |
| 12/18/2001 | US6331103 Fluid machine having a pair of rotors and a silencer |
| 12/13/2001 | US20010050198 Muffler |
| 12/11/2001 | US6330336 Active silencer |
| 12/06/2001 | DE10026096A1 Exhaust system for engine-driven model motor vehicle has silencer located crosswise behind rear axle, and exhaust manifold and silencer above connected by pipe which in side view runs over crankcase and rear axle differential |
| 12/05/2001 | EP1160424A2 Silencer with internal rain diverter |
| 12/05/2001 | EP1159514A1 Muffler for internal combustion engine |
| 12/05/2001 | CN2463542Y Pedal muffler for motorcycle |
| 12/05/2001 | CN2463541Y Improvement of silencing smoke eliminator of locomotive |
| 11/30/2001 | CA2349133A1 Silencer with internal rain diverter |
| 11/29/2001 | US20010046301 Active noise control system |
| 11/29/2001 | US20010045322 Perforated end pipe of silencer unit |
| 11/29/2001 | DE10026121A1 Vorrichtung zur Dämpfung akustischer Schwingungen in einer Brennkammer Apparatus for damping acoustic vibrations in a combustion chamber |
| 11/28/2001 | EP1158488A2 Active noise control system |
| 11/28/2001 | EP1158247A2 Apparatus to reduce acoustic vibrations in a combustion chamber |
| 11/28/2001 | EP1158144A2 Space efficient exhaust aftertreatment filter |
| 11/28/2001 | EP1157199A1 Multi-chambered muffler |
| 11/28/2001 | CN2462079Y Multi-chamber parallel by pass resonance silencer |
| 11/24/2001 | CA2348276A1 Active noise control system |
| 11/22/2001 | WO2001007792A8 Improved assembly of orifice chambers |
| 11/22/2001 | DE10045342C1 Apparatus for treating exhaust gases produced from IC engines and from industrial plants has molded bodies made from a metallic fiber composite arranged in a housing |
| 11/15/2001 | WO2001086084A1 Insulating preform |
| 11/15/2001 | US20010040068 Methods and apparatus for low back pressure muffling of internal combustion engines |
| 11/15/2001 | DE10023411A1 Wideband sound-absorbing element for channel carrying fluid has first part with low-frequency resonators formed by walls with different resonant frequencies, second with high-frequency resonators |
| 11/15/2001 | DE10021809C1 Joining system, for pipe in flanged connector, comprises welding to produce bead between end of connector and outer wall of pipe, recess behind bead being filled with second material to increase impact strength of joint |
| 11/14/2001 | CN2459442Y Five-chamber universal silencer for seat type motorcycle |
| 11/08/2001 | WO2001083957A1 Improved marine engine silencer |
| 11/08/2001 | US20010037913 High-performance muffler |
| 11/08/2001 | US20010037912 Exhaust gas muffler having a spark arrestor screen |
| 11/08/2001 | DE10021031A1 Leitungssystem mit elektromechanischem Wandler zur Erzeugung eines Korrekturgeräusches Conduit system with an electromechanical transducer for generating a correction noise |
| 11/07/2001 | EP1152132A1 Ducting system with electromechanical converter producing a correction noise |
| 11/06/2001 | US6312650 Silencing and purification of exhaust gases, airtight casings connected to an exhaust pipe and multicompartment and monolithic bodies |
| 11/01/2001 | WO2001081738A1 Muffler |
| 11/01/2001 | WO2001081737A2 Exhaust pipe outlet |
| 11/01/2001 | WO2001081735A1 Improvements in and relating to particulates in exhaust streams |
| 11/01/2001 | WO2001081734A1 Automotive exhaust silencer system with variable damping characteristics |
| 11/01/2001 | US20010036414 Compressor and electric motor |
| 11/01/2001 | US20010036281 Active noise cancellation stability solution |
| 10/31/2001 | DE10020373A1 Abgasschalldämpfer mit Funkenschutzsieb Exhaust muffler with spark arrester |
| 10/25/2001 | WO2001079682A1 Ventilative noise suppressing unit for vehicle |
| 10/25/2001 | WO2001079665A2 Multiple-chambered exhaust muffler |
| 10/25/2001 | US20010032955 Dual spring exhaust valve linkage assembly |
| 10/23/2001 | US6305493 Exhaust system for internal combustion engines |
| 10/18/2001 | WO2001027445A3 A silencer |
| 10/18/2001 | DE10058142A1 Abgas-Schalldämpfer in Mehrkammerbauweise Exhaust muffler in multi-chamber design |
| 10/17/2001 | EP1146206A2 Multi-chamber built exhaust gas silencer |
| 10/17/2001 | EP1144815A1 Perforated end pipe of silencer unit |
| 10/17/2001 | EP1144085A1 Emissions reduction system and method therefor |
| 10/17/2001 | CN1317629A Ventilatable silenicng unit and ventilatable silencer |
| 10/16/2001 | US6302466 Vibration-damping, noise-reducing, heat-shielding vehicle trim |
| 10/16/2001 | US6302236 Pulsation damper |
| 10/16/2001 | US6302235 High-performance muffler |
| 10/10/2001 | EP1143411A2 Active noise cancellation stability solution |
| 10/10/2001 | EP1141936A1 Controlled acoustic waveguide for soundproofing |
| 10/10/2001 | EP1141525A1 Method and device for producing an absorption silencer |
| 10/04/2001 | US20010025739 Muffler for marine engine |
| 10/04/2001 | EP1139542A2 A compressor and an electric motor |
| 10/03/2001 | CN2451739Y Steam pressure-reducing exhaust noise silencer |
| 10/02/2001 | US6296074 Noise reducing exhaust system and method |
| 09/27/2001 | WO2001071169A1 A silencer containing one or more porous bodies |
| 09/26/2001 | EP1135590A1 Device for discharging flowing gases from pipes |
| 09/26/2001 | CN1071838C Eliminating device for exhausting gas noist of closed compressor |
| 09/20/2001 | WO2001069051A1 A gas-flow silencer |
| 09/20/2001 | US20010022174 Pressure control for supercharged engine |
| 09/19/2001 | EP1133454A1 A fibrous sound absorbing mass able to be biologically degraded |
| 09/19/2001 | CN2448929Y Direct through energy-saving silencer for internal combustion engine exhausting |
| 09/19/2001 | CN1071424C Rotary throat cutoff device and method for reducing centrifugal fan noise |
| 09/18/2001 | US6290557 Exhaust system for jet propulsion boat |
| 09/13/2001 | WO2001066946A1 Sound absorber for compressors |
| 09/13/2001 | US20010021258 Device and method for the reduction of sound emissions in and diagnosis of internal combustion engines |
| 09/13/2001 | DE10011023A1 Silencer for direct fitting on pressure outlet of screw compressor has housing of flat box shape with inlet aperture in base wall and outlet aperture in cover wall |
| 09/12/2001 | CN2447522Y Silencing apparatus using engine exhaust afterheat |
| 09/12/2001 | CN1071005C Refrigeration compressor muffler and production method thereof |
| 09/11/2001 | US6286623 Sound-attenuating muffler for internal combustion engine |
| 09/07/2001 | WO2001065084A1 Stamp-formed muffler |
| 09/07/2001 | WO2001065083A1 Stamp-formed muffler |
| 09/07/2001 | WO2001065082A1 Exhaust pipe and muffler for motorcycle that does not heat discolor |
| 09/07/2001 | WO2001065078A1 Stamp-formed muffler |
| 09/07/2001 | WO2001065077A1 Stamp-formed muffler |
| 09/06/2001 | US20010018995 Exhaust muffler |
| 09/06/2001 | US20010018826 Device for catalytic exhaust gas purification |
| 09/06/2001 | DE19931934C2 Resonator zur Verringerung von Schwingungen in Luftleitung Resonator to reduce vibrations in air line |
| 09/06/2001 | DE10007549A1 Silencing line for engine exhaust system, consisting of at least one layer of sound absorbing material |
| 09/05/2001 | EP1130226A2 Exhaust muffler |
| 09/05/2001 | CN2446283Y Energy-saving purifying silencer of motor vehicle |
| 09/04/2001 | US6283809 Outboard motor exhaust system |