| Patents for F01N 1 - Silencing apparatus characterised by method of silencing (8,998) |
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| 08/13/1987 | WO1987004641A1 Process and device for purifying exhaust air |
| 08/13/1987 | DE3603170A1 Verfahren und vorrichtung zur akustischen gasreinigung Method and device for acoustic gas cleaning |
| 08/11/1987 | US4685534 Method and apparatus for control of fluids |
| 08/11/1987 | US4685533 Exhaust dissipator device |
| 08/04/1987 | US4683978 Exhaust silencer |
| 07/29/1987 | CN85204952U Rotary silencer |
| 07/28/1987 | CA1224724A2 Sound deafening sleeving for a gas line, and tooling for the manufacture of said sleeving |
| 07/22/1987 | CN86107910A Rotary silencer |
| 07/14/1987 | US4679395 Cleaning means for vehicle exhausting pipe |
| 07/02/1987 | WO1987003948A1 Device for reducing duct-carried air-borne sound |
| 07/02/1987 | DE3545437A1 Abgasreinigungsvorrichtung fuer dieselmotoren Emission control device for diesel engines |
| 06/25/1987 | DE3545212A1 Arcuate absorption silencer for arranging on the intake side of fans producing high pressures and sound levels |
| 06/24/1987 | CN85109438A Air-resistance internal combustion engine muffler |
| 06/23/1987 | US4674594 Silencer and a method of manufacturing the silencer |
| 06/16/1987 | US4673058 High performance automotive muffler |
| 06/09/1987 | US4671381 Linear muffler shockwave suppressor |
| 05/26/1987 | US4667770 For use in a gas flow duct |
| 05/19/1987 | US4665692 Engine exhaust control system |
| 05/06/1987 | EP0220371A1 Manufacturing process of a hot gas conduit, especially an exhaust gas conduit for a combustion engine |
| 04/22/1987 | EP0219218A1 Muffler |
| 04/16/1987 | DE3536315A1 Catalyst arrangement for the purification of exhaust gases, in particular of an internal combustion engine |
| 04/07/1987 | US4655317 Sound damping device, preferably for reducing the noise of blow-off valves |
| 03/25/1987 | CN85106077A Integrally formed trough tube |
| 03/11/1987 | EP0213163A1 Sound attenuation box. |
| 03/11/1987 | CN86104296A 消声器 Muffler |
| 02/25/1987 | CN86205307U Dissipative muffler for pneumatic quarrying machine |
| 02/24/1987 | US4645032 Compact muffler apparatus and associated methods |
| 02/24/1987 | US4645031 Exhaust system for an internal combustion engine |
| 02/18/1987 | CN86105598A Silencers for motorbicycle |
| 02/05/1987 | DE3526609A1 Exhaust silencer |
| 02/04/1987 | CN86203228U Damping ring type deafener |
| 01/22/1987 | DE3546496A1 Compressed air system for commercial vehicles |
| 01/20/1987 | US4637909 Process for producing double-layered structures |
| 01/20/1987 | US4637491 Muffler for internal combustion engine and method of manufacturing tubes for use therein |
| 01/15/1987 | WO1987000241A1 Silencer |
| 01/13/1987 | US4635753 Noise converter |
| 12/31/1986 | CN85104467A Muffler apparatus and method for making same |
| 12/30/1986 | US4632216 Muffler apparatus and method for making same |
| 12/30/1986 | EP0206357A2 Compressed-air installation for a utility vehicle |
| 12/30/1986 | EP0206356A2 Compressed-air installation for a utility vehicle |
| 12/16/1986 | US4628689 Internal combustion engine exhaust system |
| 12/09/1986 | US4627515 Exhaust device |
| 12/09/1986 | CA1214996A1 Automotive exhaust system |
| 12/03/1986 | EP0203245A1 Integral fluted tube for sound suppression |
| 11/19/1986 | CN85202873U Integrated pipe with grooved parts for noise-inhibiting device |
| 11/18/1986 | US4623035 Muffler of the sound reflecting type for use with internal combustion engines |
| 11/05/1986 | EP0199942A1 Exhaust silencer for internal combustion engines |
| 10/29/1986 | CN85205813U Multi-step matching muffler |
| 10/15/1986 | EP0197487A2 Portable engine unit |
| 10/14/1986 | US4616732 Silencing system for exhaust gases from internal combustion engines |
| 10/14/1986 | CA1212630A1 Locking member |
| 10/14/1986 | CA1212629A1 Heat recovery muffler |
| 10/07/1986 | US4615411 Sound-insulated flow duct and process for the manufacture thereof |
| 09/24/1986 | EP0195762A1 Exhaust silencer device for an internal combustion engine |
| 09/17/1986 | CN86201796U Throttle silencer with multiple holes |
| 09/16/1986 | CA1211377A1 Threaded muffler nipple and bushing |
| 09/09/1986 | US4610604 Swash-plate-type compressor with a muffling arrangement |
| 09/03/1986 | EP0193408A1 Reactive duct silencers |
| 09/02/1986 | US4609068 Exhaust accessory unit for internal combustion engines |
| 08/28/1986 | WO1986004954A1 A sound absorptive exhaust-gas conduit and a method for its manufacture |
| 08/26/1986 | US4607723 Exhaust system for outboard motors |
| 08/26/1986 | US4607722 Muffler for exhaust gas from an internal combustion engine |
| 08/26/1986 | US4607721 Muffler for exhaust gas from an internal combustion engine |
| 08/14/1986 | WO1986004668A1 Sound attenuation box |
| 08/12/1986 | US4605092 Large, high r.p.m. diesel engine exhaust muffler |
| 08/12/1986 | US4605091 Sound insulating apparatus |
| 08/12/1986 | CA1209485A1 Method and apparatus for attenuating sound |
| 07/23/1986 | CN85204510U Exhausting silencer |
| 07/22/1986 | US4601363 Large diesel engine exhaust muffler |
| 07/09/1986 | EP0186657A1 Sound absorption system, particularly for combustion engines |
| 07/08/1986 | US4598791 Exhaust silencer |
| 07/08/1986 | US4598790 Heat and sound insulation device |
| 06/24/1986 | US4596307 Fluid discharge silencer |
| 06/17/1986 | US4595073 Plug-type muffler section |
| 06/11/1986 | EP0184060A1 Exhaust silencer |
| 05/20/1986 | US4589517 Muffler |
| 05/20/1986 | US4589516 Muffler for internal combustion engines |
| 05/13/1986 | US4589133 Attenuation of sound waves |
| 05/06/1986 | US4586908 Exhaust gas system for the internal combustion engines of a ship |
| 04/16/1986 | EP0178080A1 Exhaust silencer system |
| 04/16/1986 | EP0177996A2 Silencing apparatus for exhaust gases of internal-combustion engines |
| 04/09/1986 | EP0176657A1 Muffler for exhaust gas from internal combustion engine |
| 04/09/1986 | EP0176541A1 Improvements in or relating to noise silencing systems |
| 04/08/1986 | US4580657 Integral fluted tube for sound suppression and exhaust ejection |
| 04/08/1986 | US4580656 Absorbent retainer for absorbent type muffler |
| 04/02/1986 | EP0175680A1 Method and means for increasing the output of internal combustion engines |
| 04/01/1986 | US4579195 Exhaust gas silencer |
| 04/01/1986 | US4579194 Muffler with catalyst for internal combustion engine |
| 03/25/1986 | US4577724 Exhaust mufflers for internal combustion engines |
| 03/18/1986 | US4576083 Device for silencing firearms |
| 03/11/1986 | US4574914 Compact, sound-attenuating muffler for high-performance, internal combustion engine |
| 03/11/1986 | US4574913 Muffler with spark arresting function |
| 02/11/1986 | US4569471 Container through which a gas flows, preferably a muffler, with fiberglass filling and method and apparatus for filling the same |
| 01/21/1986 | US4565259 Connection block |
| 01/15/1986 | EP0168365A1 Muffler apparatus |
| 01/08/1986 | EP0166802A1 Sound suppressor for a firearm |
| 01/07/1986 | CA1198987A1 Muffler |
| 01/02/1986 | EP0166480A1 Exhaust gas silencer-purifier, especially for internal-combustion engines |
| 12/27/1985 | EP0165760A2 Sound insulating device |
| 12/18/1985 | EP0164515A1 Internal combustion engine with a Comprex pressure wave machine and an exhaust gas reservoir |