F01N 1/04

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Description

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 1/04: Silencing apparatus characterised by method of silencing by using resonance having sound-absorbing materials in resonance chambers

Recent Patents

Patent #TitleFiling DateIssue DatePatent Owner
10518632 Valve assemblyJul 25, 18Dec 31, 19Tenneco Automotive Operating Company Inc.
10473121 Turbocharger with a wastegate noise reduction deviceJan 31, 18Nov 12, 19GM Global Technology Operations LLC
10458589 Sound suppression apparatusJul 15, 15Oct 29, 19AAF Ltd.
10344656 Mixing apparatus for an exhaust gas aftertreatment system, exhaust gas aftertreatment system and internal combustion engineDec 06, 17Jul 09, 19MAN Energy Solutions SE
10208639 Structure of mufflerDec 01, 16Feb 19, 19Hyundai Motor Company; Sejong Ind. Co., Ltd.;
10190471 Exhaust-gas after-treatment deviceApr 10, 15Jan 29, 19MAN Energy Solutions SE
10174655 SilencerMay 19, 15Jan 08, 19Kobe Steel, Ltd.
9856766 Exhaust muffler and sound deadening elementSep 12, 16Jan 02, 18HONDA MOTOR CO., LTD.
9810117 Muffler cutterApr 09, 14Nov 07, 17NICHIAS CORPORATION
9790836 Loose-fill insulation exhaust gas treatment device and methods of manufacturingNov 20, 13Oct 17, 17TENNECO AUTOMOTIVE OPERATING COMPANY INC.
9728176 Active design of exhaust soundsMar 03, 15Aug 08, 17Eberspacher Exhaust Technology GmbH & Co. KG
9644510 Exhaust pipeDec 10, 15May 09, 17Eberspacher Exhaust Technology GmbH & Co. KG
9617882 Muffler for an exhaust systemAug 16, 16Apr 11, 17Eberspacher Exhaust Technology GmbH & Co. KG
9611771 Thermoplastic composite mufflerOct 25, 13Apr 04, 17E. I. DU PONT DE NEMOURS AND COMPANY
9593606 Suppressor for gaseous fuel systemOct 07, 15Mar 14, 17ELECTRO-MOTIVE DIESEL, INC.
9546581 Muffler for an exhaust systemAug 26, 15Jan 17, 17Eberspacher Exhaust Technology GmbH & Co. KG
9399936 Exhaust apparatusMar 20, 15Jul 26, 16KAWASAKI JUKOGYO KABUSHIKI KAISHA
9366173 Air induction system having an acoustic resonatorNov 02, 14Jun 14, 16MANN+HUMMEL GMBH
9249726 Muffler insert for motor vehicles and method for producing sameFeb 23, 12Feb 02, 16DBW HOLDING GMBH
9133753 Muffler having coupling of a tailpipe by means of a coupling chamberMar 27, 13Sep 15, 15TENNECO GMBH

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Recent Publications

Publication #TitleFiling DatePub DatePatent Owner
2020/0080,451 METHOD AND APPARATUS FOR SUPPRESSING UNDESIRABLE TONES IN AN EXHAUST SYSTEMSep 12, 19Mar 12, 20TMG Performance Products, LLC
2019/0292,955 METHOD OF PROVIDING A LEAK FREE ACOUSTIC VOLUME FOR A VEHICLE FRAME MEMBERMar 20, 18Sep 26, 19Not available

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Patents Issued To Date - By Filing Year

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