| Patents for F01N 1 - Silencing apparatus characterised by method of silencing (8,998) |
|---|
| 02/10/1993 | EP0526673A1 Exhaust muffler |
| 02/09/1993 | US5184464 Noise and emmission control apparatus |
| 02/03/1993 | EP0526111A2 Automatic sound controlling apparatus |
| 02/03/1993 | EP0525757A1 Silencer with water cooling jacket |
| 02/02/1993 | US5183977 Muffler assembly of internal combustion engine |
| 02/02/1993 | US5183976 A muffler |
| 01/20/1993 | EP0523554A1 Silencer |
| 01/19/1993 | US5179838 Apparatus for driving turbo supercharger |
| 01/14/1993 | DE4221290A1 Aktives vibrationsregelsystem Active vibration system of rules |
| 01/13/1993 | EP0523008A1 Method of manufacturing a silencer or a catalytic converter for exhaust gases |
| 01/09/1993 | CA2072947A1 Method for producing a device for muffling sound or catalytic treatment of exhaust |
| 01/07/1993 | EP0521046A1 Active control of noise. |
| 12/29/1992 | US5174113 Exhaust outlet with venturi |
| 12/23/1992 | WO1992022738A1 Tuned engine manifold |
| 12/22/1992 | US5173577 Stamp formed muffler with low back pressure |
| 12/22/1992 | US5173576 Muffler for an internal combustion engine |
| 12/22/1992 | CA1311691C Silencer for pneumatic grain conveyor |
| 12/09/1992 | EP0516705A1 Active control of machine performance. |
| 12/08/1992 | US5170019 For use in lawnmowers |
| 12/08/1992 | CA1311196C Light weight hybrid exhaust muffler |
| 12/03/1992 | DE4131438C1 IC engine exhaust gas silencer - provides proportional noise suppression and reuses energy by assigning generator to rotor in exhaust pipe |
| 12/02/1992 | CN2123613U Dissipative muffler for compressor |
| 12/02/1992 | CN2123612U Unvoiced sound stack for internal-combustion engine |
| 12/01/1992 | US5168132 Exhaust gas muffler |
| 12/01/1992 | US5168130 Noise reducing apparatus |
| 11/25/1992 | EP0514645A1 Exhaust pipe arrangement for a multicylinder piston engine |
| 11/24/1992 | US5166479 For expansion |
| 11/24/1992 | CA1310591C Muffler apparatus with filter trap and method of use |
| 11/24/1992 | CA1310590C Exhaust gas silencing device |
| 11/24/1992 | CA1310589C Filter for gases |
| 11/19/1992 | EP0513850A2 Muffler of industrial engine |
| 11/17/1992 | US5164551 Stamp formed muffler with compound reinforcement pattern for preventing shell ring |
| 11/17/1992 | US5163387 Device for attenuating standing waves in an induction intake system |
| 11/17/1992 | CA1310276C Acoustic muffler |
| 11/12/1992 | WO1992019849A1 Filter device and process for cleaning exhaust gases by filtration |
| 11/10/1992 | US5162622 Exhaust silencer |
| 11/10/1992 | US5162620 Dual flow turbine engine muffler |
| 11/10/1992 | US5161371 Exhaust outlet with cleaner |
| 11/04/1992 | EP0511415A1 Filtering device and method for purifying exhaustgases through filtration |
| 11/04/1992 | CN2120884U Exhaust muffler for internal-combustion engine |
| 11/04/1992 | CN1065902A Air rotating type muffler |
| 10/28/1992 | EP0510864A2 Multi-channel active acoustic attenuation system |
| 10/27/1992 | CA1309358C Stamp formed muffler with nonplanar array of tubes |
| 10/27/1992 | CA1309356C Stamp formed muffler and catalytic converter assembly |
| 10/15/1992 | DE4111957A1 Exhaust gas cleaning system from multicylinder Diesel engine - has combination of flanged joint and flexible joint to attach pipes to filter unit |
| 10/14/1992 | CN2118820U Purifying and silencing device for ic engine |
| 10/07/1992 | EP0335941B1 A silencer device for exhausts of motors and similar, with acoustic interference |
| 10/07/1992 | CN2118161U Electronic servo exhaust apparatus for i.c. engine |
| 10/06/1992 | US5152366 Sound absorbing muffler |
| 09/30/1992 | CN2117473U Labyrinth silencer |
| 09/16/1992 | CN2116100U Noise-reducing energy-economizing device for internal combustion engine |
| 09/16/1992 | CN1064523A Silencing energy economizer for internal combustion engine |
| 09/15/1992 | US5147987 Muffler assembly |
| 09/15/1992 | US5147012 Blower motor mounting base |
| 09/09/1992 | CN2115407U Muffler for miniature gasoline engine |
| 09/08/1992 | US5146505 Method for actively attenuating engine generated noise |
| 09/03/1992 | WO1992014922A1 Silencer for gas induction and exhaust systems |
| 09/03/1992 | CA2104021A1 Silencer for gas induction and exhaust systems |
| 08/20/1992 | DE4105057A1 Continuously-variable-length exhaust resonator for combustion engine - comprises inner tube sliding in fixed outer section of exhaust pipe under manual or automatic control |
| 08/19/1992 | EP0498947A1 Combustion engine with exhaust gas recirculation |
| 08/19/1992 | CN1017929B Rotation mechanism |
| 08/18/1992 | US5139107 Exhaust muffler for internal combustion engines |
| 08/11/1992 | US5137439 Screw rotor machine with de laval nozzle for noise reduction |
| 08/04/1992 | US5135551 Muffler with replaceable filters |
| 08/04/1992 | CA1305898C Manifold tuning structure |
| 07/14/1992 | CA1305075C Sound attenuating liquid-gas separator |
| 07/08/1992 | CN2109448U Internal combustion engine exhausting sound damper |
| 07/07/1992 | US5127372 Exhaust silencer system for two-cycle engine |
| 07/01/1992 | EP0492680A2 Method and apparatus for attenuating noise |
| 07/01/1992 | EP0492345A1 Method and device for reducing noise in pneumatic systems |
| 07/01/1992 | EP0492240A1 Device to improve the silence ability of the exhaust flow of an internal combustion engine |
| 07/01/1992 | CN2108801U Exhausting silencer of wind-power rock drill |
| 06/25/1992 | DE4041439A1 Multi-chamber pressure noise damper - has chambers acting as resonators, formed as single or double half shells, with cover and floor plates of cast material |
| 06/24/1992 | CN2108180U Small-size high-efficiency combination silencer |
| 06/24/1992 | CN2108179U Exhaust silencer for ic engine |
| 06/23/1992 | US5123502 Muffler assembly with perforated partition for ignition of accumulated fuel and method |
| 06/23/1992 | US5123501 In-line constricted sound-attenuating system |
| 06/17/1992 | DE4039697A1 Silencer for combustion engine - has housing with at least three internal chambers, with gases fed through pipe configuration |
| 06/16/1992 | CA1303513C Exhaust gas muffler for a two-stroke engine |
| 06/11/1992 | WO1992009988A1 Improvements in attenuators |
| 06/10/1992 | CN2106893U Diesel engine economizer |
| 06/09/1992 | US5119902 Active muffler transducer arrangement |
| 06/09/1992 | CA1302899C Plural chamber stamp formed muffler with single intermediate tube |
| 05/29/1992 | WO1992008881A1 Motor vehicle muffler |
| 05/26/1992 | CA1301659C Muffler with reverse flow passages |
| 05/14/1992 | WO1992008053A1 Silencer unit |
| 05/14/1992 | WO1992008041A1 Muffler device for exhaust systems |
| 05/14/1992 | DE4035177A1 Heat shield for attachment beneath vehicle - makes use of pair of plates to reflect heat from exhaust pipe |
| 05/13/1992 | EP0484925A1 Catalyzer-containing muffler |
| 05/13/1992 | CN2104303U Air compressor atmospheric pipe silencer |
| 05/13/1992 | CN2104302U Air compressor exhaust pipe silencer |
| 05/13/1992 | CN2104301U Silencer |
| 05/12/1992 | US5111561 Method of forming spacing ring for tubes in high temperature environment |
| 05/12/1992 | CA1300518C Muffler with flow director plates |
| 05/06/1992 | CN2103645U Non-resistance silencer for fan |
| 05/05/1992 | US5109950 Silencer for exhaust gases and part of an exhaust line having such a silencer |
| 05/05/1992 | US5109949 Muffler of industrial engine |
| 04/30/1992 | DE4034253A1 Rotary vacuum pump - has silencer which can be easily attached or removed |
| 04/28/1992 | US5107953 Muffler |
| 04/22/1992 | EP0481450A1 Silencer arrangement for internal combustion engines |