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 1/06: Silencing apparatus characterised by method of silencing by using interference effect
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12215612 | System and method for a cab-mounted muffler assembly | Oct 28, 21 | Feb 04, 25 | Transportation IP Holdings, LLC |
| 12071874 | Sound attenuating engine exhaust system | Jan 22, 21 | Aug 27, 24 | K&N Engineering, Inc. |
| 12037930 | Timbre scaled exhaust system | May 30, 23 | Jul 16, 24 | Not available |
| 11988122 | Exhaust sound bypass | Mar 18, 19 | May 21, 24 | MCLAREN AUTOMOTIVE LIMITED |
| 11846217 | Air-transparent selective sound silencer using ultra-open metamaterial | Dec 04, 20 | Dec 19, 23 | Trustees of Boston University |
| 11686239 | Systems and methods for equalizing backpressure in engine cylinders | Apr 08, 22 | Jun 27, 23 | Cummins Inc. |
| 11674417 | Sound suppressor | Apr 05, 19 | Jun 13, 23 | Not available |
| 11661870 | Timbre scaled exhaust system | Sep 15, 20 | May 30, 23 | Not available |
| 11660933 | Exhauster assembly for a vehicle | Aug 07, 20 | May 30, 23 | Motus Integrated Technologies |
| 11655740 | Drone elimination muffler | Dec 19, 19 | May 23, 23 | K&N Engineering, Inc. |
| 11434794 | Exhaust sound attenuation device | Jun 06, 19 | Sep 06, 22 | Caterpillar Inc. |
| 11391195 | Exhaust system and muffler | Jun 19, 19 | Jul 19, 22 | Tenneco Automotive Operating Company Inc. |
| 11319860 | Systems and methods for equalizing backpressure in engine cylinders | Jun 01, 20 | May 03, 22 | Cummins Inc. |
| 11248504 | Exhaust device for internal combustion engine | Jan 13, 17 | Feb 15, 22 | Honda Motor Co. Ltd. |
| 11236652 | Exhaust device for internal combustion engine | Jan 13, 17 | Feb 01, 22 | Honda Motor Co. Ltd. |
| 11193405 | Combined exhaust gas silencer | Nov 06, 16 | Dec 07, 21 | Not available |
| 11028743 | Road vehicle with an internal combustion engine and provided with an exhaust noise transmission device | Apr 20, 18 | Jun 08, 21 | Ferrari S.p.A. |
| 11011151 | Loudspeaker arrangement | Sep 27, 17 | May 18, 21 | Harman Becker Automotive Systems GmbH |
| 10947876 | Air-transparent selective sound silencer using ultra-open metamaterial | Aug 02, 19 | Mar 16, 21 | The Trustees of Boston University |
| 10871093 | Motor vehicle having a control apparatus for at least one loudspeaker of an exhaust system of the motor vehicle | Feb 23, 17 | Dec 22, 20 | Audi AG |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2024/0418,111 | SOUND ATTENUATING ENGINE EXHAUST SYSTEM | Aug 26, 24 | Dec 19, 24 | K&N Engineering, Inc. |
| 2024/0183,293 | AIR AMPLIFIER WITH NOISE SUPPRESSION | Feb 12, 24 | Jun 06, 24 | MSG Entertainment Group, LLC |
| 2024/0077,008 | AIR-TRANSPARENT SELECTIVE SOUND SILENCER USING ULTRA-OPEN METAMATERIAL | Nov 08, 23 | Mar 07, 24 | Not available |
| 2022/0381,169 | SOUND PRESSURE GENERATOR | Apr 28, 22 | Dec 01, 22 | Not available |
| 2022/0298,940 | Noise abatement system for internal combustion engines | Sep 25, 20 | Sep 22, 22 | Not available |
| 2021/0231,036 | MUFFLER SYSTEM | Jan 08, 21 | Jul 29, 21 | Not available |
| 2020/0400,060 | EXHAUST SYSTEM AND MUFFLER | Jun 19, 19 | Dec 24, 20 | Not available |
| 2020/0355,101 | SOUND GENERATING DEVICE, VEHICLE EXHAUST SYSTEM AND METHOD OF MANUFACTURING A SOUND GENERATING DEVICE | Nov 21, 17 | Nov 12, 20 | Not available |
| 2020/0300,136 | METHOD OF SELECTING AN OPERATING MODE OF AN ACTIVE SOUND GENERATING DEVICE OF AN EXHAUST SYSTEM, EXHAUST SYSTEM, AND MOTOR VEHICLE | Mar 17, 20 | Sep 24, 20 | Not available |
| 2020/0291,837 | EXHAUST SYSTEM FOR AN INTERNAL COMBUSTION ENGINE OF A MOTOR VEHICLE AS WELL AS MOTOR VEHICLE | Mar 09, 20 | Sep 17, 20 | Not available |
| 2019/0301,320 | SOUND GENERATING SYSTEM, MOTOR VEHICLE WITH A SOUND GENERATING SYSTEM, AND SOUND SENSOR UNIT FOR A SOUND GENERATING SYSTEM | Mar 19, 19 | Oct 03, 19 | Not available |
| 2019/0301,321 | EXHAUST GAS SYSTEM FOR AN INTERNAL COMBUSTION ENGINE OF A MOTOR VEHICLE | Mar 27, 19 | Oct 03, 19 | Not available |
| 2019/0162,090 | MOTOR VEHICLE HAVING A CONTROL APPARATUS FOR AT LEAST ONE LOUDSPEAKER OF AN EXHAUST SYSTEM OF THE MOTOR VEHICLE | Feb 23, 17 | May 30, 19 | Audi AG |
| 2019/0055,866 | EXHAUST DEVICE FOR INTERNAL COMBUSTION ENGINE | Jan 13, 17 | Feb 21, 19 | Honda Motor Co. Ltd. |
| 2018/0291,795 | VEHICLE EXHAUST ASSEMBLY | Jun 08, 16 | Oct 11, 18 | Not available |
| 2015/0100,221 | NOISE/VIBRATION REDUCTION CONTROL | Oct 08, 14 | Apr 09, 15 | TULA TECHNOLOGY, INC. |
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