F01N 1/02

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Class  F01N : GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES


Subclass 1/02: Silencing apparatus characterised by method of silencing by using resonance

Recent Patents

Patent #TitleFiling DateIssue DatePatent Owner
10598059 Slotted snap-action valve assembly for exhaust systemAug 17, 16Mar 24, 20Tenneco Automotive Operating Company Inc.
10596898 Muffler assembly including a center muffler and two satellite mufflersMay 07, 18Mar 24, 20Tenneco Automotive Operating Company Inc.
10584626 Muffler assembly including a center muffler and two satellite mufflersMay 07, 18Mar 10, 20Tenneco Automotive Operating Company Inc.
10584627 ManifoldSep 19, 16Mar 10, 20TENNECO GMBH
10519828 Drone elimination mufflerFeb 08, 17Dec 31, 19K&N Engineering, Inc.
10465832 Damping deviceDec 23, 15Nov 05, 19Hydac Technology GmbH
10465587 Muffler for an exhaust system of an internal combustion engine, especially for motor vehicles with hybrid driveMay 22, 17Nov 05, 19Eberspächer Exhaust Technology GmbH & Co. KG
10458589 Sound suppression apparatusJul 15, 15Oct 29, 19AAF Ltd.
10458298 Exhaust gas system for an internal combustion engineMar 20, 15Oct 29, 19Audi AG
10450911 Exhaust gas aftertreatment device and exhaust gas aftertreatment methodOct 21, 15Oct 22, 19MAN Energy Solutions SE
10450912 Exhaust silencerJul 11, 16Oct 22, 19Ford Global Technologies, LLC
10436085 Road vehicle with an internal combustion engine and provided with a device for the transmission of the exhaust noiseJun 01, 17Oct 08, 19Ferrari S.p.A.
10436088 Alignment system for slotted snap-action valve assembly for exhaust systemOct 30, 17Oct 08, 19Tenneco Automotive Operating Company Inc.
10403256 Resonator with ring-shaped chamber between an inner tube and an outer wall and with a dividing rib extending from the inner tube toward the outer wallOct 30, 15Sep 03, 19UMFOTEC GMBH; PROF. DR. DIETRICH DENKER;
10352210 Acoustic deviceSep 09, 15Jul 16, 193M Innovative Properties Company
10344656 Mixing apparatus for an exhaust gas aftertreatment system, exhaust gas aftertreatment system and internal combustion engineDec 06, 17Jul 09, 19MAN Energy Solutions SE
10337748 Muffler for air-conditioning apparatus and air-conditioning apparatus including the sameOct 01, 15Jul 02, 19Mitsubishi Electric Corporation
10316726 Exhaust-gas module for an internal combustion engineJun 15, 15Jun 11, 19TENNECO GMBH
10294877 Straddle-type vehicleOct 13, 16May 21, 19KAWASAKI JUKOGYO KABUSHIKI KAISHA
10287937 Exhaust system for an engineJun 17, 16May 14, 19Ford Global Technologies, LLC

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Recent Publications

Publication #TitleFiling DatePub DatePatent Owner
2020/0102,865 MUFFLER FOR AN INTERNAL COMBUSTION ENGINEJul 21, 17Apr 02, 20Not available
2020/0088,078 Exhaust Device With Noise Suppression SystemSep 19, 18Mar 19, 20Not available
2020/0018,203 HELMHOLTZ MUFFLER FOR VEHICLENov 02, 18Jan 16, 20Hyundai Motor Company; Kia Motors Corporation;
2020/0018,204 ANTI-RESONANCE MUFFLERApr 26, 19Jan 16, 20Not available
2019/0323,396 MUFFLER COMPRISING A HELMHOLTZ RESONATOR AND A VEHICLE COMPRISING SUCH A MUFFLERMar 25, 19Oct 24, 19Not available
2019/0292,955 METHOD OF PROVIDING A LEAK FREE ACOUSTIC VOLUME FOR A VEHICLE FRAME MEMBERMar 20, 18Sep 26, 19Not available
2019/0249,580 MUFFLING APPARATUSFeb 05, 19Aug 15, 19ROKI CO., LTD.
2019/0234,263 MUFFLERJan 23, 19Aug 01, 19Not available
2019/0203,619 EXHAUST SYSTEM HAVING TUNABLE EXHAUST SOUNDDec 28, 17Jul 04, 19Not available
2019/0093,528 METHOD AND APPARATUS TO ENABLE PACKAGE SPACE REDUCTION IN A VEHICLE EXHAUST SYSTEMJul 16, 18Mar 28, 19Not available
2019/0063,281 AIR EXHAUSTING DEVICEAug 29, 18Feb 28, 19Suzuki Motor Corporation
2018/0274,412 EXHAUST SYSTEM FOR VEHICLEMar 22, 17Sep 27, 18Not available
2018/0266,301 MUFFLERJan 17, 17Sep 20, 18Futaba Industrial Co., Ltd.
2018/0149,052 AN ACOUSTIC ATTENUATOR FOR DAMPING PRESSURE VIBRATIONS IN AN EXHAUST SYSTEM OF AN ENGINE, AN ACOUSTIC ATTENUATION SYSTEM USING THE ATTENUATORS, AND METHOD OF DAMPING PRESSURE VIBRATIONS IN AN EXHAUST SYSTEM OF AN ENGINEMay 25, 15May 31, 18Wärtsilä Finland OY
2018/0142,588 SILENCER AND VEHICLE ENGINE INCLUDING SAMEJan 19, 18May 24, 18Not available
2018/0023,429 Timbre Scaled Exhaust SystemJul 25, 17Jan 25, 18Not available
2017/0241,311 Exhaust Tube and Tuning Tube Assembly with Whistle Reduction FeatureSep 10, 15Aug 24, 17FAURECIA EMISSIONS CONTROL TECHNOLOGIES, USA, LLC
2017/0089,238 HEAT-EXCHANGE AND NOISE-REDUCTION PANEL FOR A PROPULSION ASSEMBLYSep 28, 16Mar 30, 17SAFRAN AIRCRAFT ENGINES

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Patents Issued To Date - By Filing Year

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