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 1/08: Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12263954 | Muffler | Jul 30, 20 | Apr 01, 25 | Orbital Australia Pty Ltd |
| 12221955 | Connecting structure, exhaust silencer, silencer, and compressor | Apr 18, 22 | Feb 11, 25 | ANHUI MEIZHI COMPRESSOR CO., LTD. |
| 12116913 | Exhaust gas assembly | Sep 13, 19 | Oct 15, 24 | The University of Adelaide |
| 12071880 | Exhaust assemblies and vehicles including an exhaust assembly | Oct 20, 23 | Aug 27, 24 | PACCAR Inc. |
| 12071887 | Engine assembly for a vehicle having a hydrocarbon trap | Dec 17, 21 | Aug 27, 24 | BRP-ROTAX GMBH & CO. KG |
| 12064756 | Method for unblocking pores in a selective catalytic reduction catalyst | Nov 25, 19 | Aug 20, 24 | Volvo Truck Corporation |
| 12050032 | Muffler with metallic meshed rings | Aug 18, 23 | Jul 30, 24 | Carrier Corporation |
| 12043361 | Exhaust handling systems for marine vessels and related methods | Sep 18, 23 | Jul 23, 24 | Marathon Petroleum Company LP |
| 11988123 | Sound attenuator apparatus and method | Jan 09, 23 | May 21, 24 | Not available |
| 11987336 | Exhaust pipe coupling | May 19, 21 | May 21, 24 | Not available |
| 11965451 | Mixing tube | Oct 20, 21 | Apr 23, 24 | TENNECO GMBH |
| 11946402 | Work vehicle | Oct 28, 22 | Apr 02, 24 | Kubota Corporation |
| 11920596 | Screw compressor configured to compress a process gas and dampen pulsation waves | Dec 06, 22 | Mar 05, 24 | MAN Energy Solutions SE |
| 11898474 | Constant velocity muffler assembly | Apr 27, 22 | Feb 13, 24 | Not available |
| 11859523 | Muffler | Jan 06, 22 | Jan 02, 24 | Honeywell International, Inc. |
| 11846217 | Air-transparent selective sound silencer using ultra-open metamaterial | Dec 04, 20 | Dec 19, 23 | Trustees of Boston University |
| 11846216 | Exhaust system noise reduction device of vehicle | Dec 02, 20 | Dec 19, 23 | Hyundai Motor Company; Kia Motors Corporation; |
| 11814994 | Component of an exhaust system and method for manufacturing such a component | Sep 09, 19 | Nov 14, 23 | Faurecia Emissions Control Technologies, Germany GmbH |
| 11808490 | Muffler with metallic meshed rings | Oct 09, 18 | Nov 07, 23 | Carrier Corporation |
| 11802499 | Exhaust system tuner tube to reduce standing wave | Nov 23, 21 | Oct 31, 23 | Tenneco Automotive Operating Company Inc. |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2025/0116,216 | MUFFLER | Oct 09, 24 | Apr 10, 25 | Not available |
| 2025/0012,208 | MUFFLER AND OUTLET STUB FOR A MUFFLER | Jul 05, 24 | Jan 09, 25 | Not available |
| 2025/0003,359 | EXHAUST GAS ASSEMBLY | Sep 11, 24 | Jan 02, 25 | The University of Adelaide |
| 2024/0384,673 | MUFFLER FOR INTERNAL COMBUSTION ENGINES | Sep 26, 22 | Nov 21, 24 | Not available |
| 2024/0352,881 | EXHAUST SOUND ATTENUATION AND CONTROL SYSTEM | Jun 28, 24 | Oct 24, 24 | Not available |
| 2024/0286,726 | EXHAUST HANDLING SYSTEMS FOR MARINE VESSELS AND RELATED METHODS | May 10, 24 | Aug 29, 24 | Not available |
| 2024/0183,294 | SOUND-ABSORBING SILENCER HAVING DIFFUSE REFLECTION STRUCTURE | Nov 07, 23 | Jun 06, 24 | Not available |
| 2024/0167,404 | MUFFLER STRUCTURE | Oct 24, 23 | May 23, 24 | Honda Motor Co., Ltd. |
| 2024/0077,008 | AIR-TRANSPARENT SELECTIVE SOUND SILENCER USING ULTRA-OPEN METAMATERIAL | Nov 08, 23 | Mar 07, 24 | Not available |
| 2024/0044,274 | ENGINE ASSEMBLY FOR A VEHICLE HAVING A HYDROCARBON TRAP | Dec 17, 21 | Feb 08, 24 | Not available |
| 2023/0399,963 | Muffler | Jun 08, 23 | Dec 14, 23 | Not available |
| 2023/0358,153 | NOISE REDUCTION SYSTEMS FOR AEROSOL COLLECTORS | Apr 14, 23 | Nov 09, 23 | Not available |
| 2023/0184,148 | WORK VEHICLE | Oct 28, 22 | Jun 15, 23 | Kubota Corporation |
| 2022/0389,849 | MUFFLER VALVE AND MUFFLER | Nov 12, 20 | Dec 08, 22 | Sankei Giken Kogyo Co. Ltd. |
| 2022/0186,642 | EXHAUST PIPE | Dec 03, 21 | Jun 16, 22 | Not available |
| 2022/0065,145 | PANEL ASSEMBLY AND AFTERTREATMENT ASSEMBLY INCLUDING PANEL ASSEMBLIES | Sep 01, 20 | Mar 03, 22 | Caterpillar Inc. |
| 2021/0239,017 | EXHAUST SYSTEM COMPONENT | Feb 03, 20 | Aug 05, 21 | Not available |
| 2021/0231,036 | MUFFLER SYSTEM | Jan 08, 21 | Jul 29, 21 | Not available |
| 2021/0164,370 | LOW NOISE ENCLOSURE | Feb 10, 21 | Jun 03, 21 | Cummins Power Generation IP, Inc. |
| 2020/0232,375 | MUFFLER WITH INTERNAL GAP HEAT SHIELD | Jan 17, 19 | Jul 23, 20 | Not available |
| Upgrade to the Professional Level to view Top Owners for this Subclass.Learn More |
|---|
