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 |
|---|---|---|---|---|
| 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. |
| 11788448 | Vehicle exhaust system with silencer having exhaust jet deflector | Mar 29, 21 | Oct 17, 23 | Ford Global Technologies, LLC |
| 11763789 | Silencer | Mar 21, 22 | Sep 19, 23 | NINGBO GNS AUTO PARTS CO.,LTD. |
| 11753973 | Exhaust apparatus | Mar 22, 22 | Sep 12, 23 | Suzuki Motor Corporation |
| 11746681 | Muffler | Feb 04, 22 | Sep 05, 23 | R&R Holding & Leasing |
| 11746685 | Exhaust restriction device for improved sensor signal | Jan 27, 22 | Sep 05, 23 | Ford Global Technologies, LLC |
| 11732623 | Muffler, compressor assembly, and refrigerator | Dec 12, 18 | Aug 22, 23 | GREE GREEN REFRIGERATION TECHNOLOGY CENTER CO., LTD OF ZHUHAI |
| 11725554 | Insert assembly unit for a muffler of an exhaust system of an internal combustion engine | Apr 07, 21 | Aug 15, 23 | Purem GmbH |
| 11702969 | Acoustically tuned muffler | May 17, 22 | Jul 18, 23 | Tenneco Automotive Operating Company Inc. |
| 11686234 | Exhaust treatment system for work vehicles and related flow mixers | Oct 20, 21 | Jun 27, 23 | CNH Industrial America LLC |
| 11668225 | Two-stage water-lift muffler for marine generator | Aug 16, 22 | Jun 06, 23 | Not available |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 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 |
| 2022/0401,944 | METHOD FOR UNBLOCKING PORES IN A SELECTIVE CATALYTIC REDUCTION CATALYST | Nov 25, 19 | Dec 22, 22 | Not available |
| 2022/0389,849 | MUFFLER VALVE AND MUFFLER | Nov 12, 20 | Dec 08, 22 | Sankei Giken Kogyo Co. Ltd. |
| 2022/0371,716 | Exhaust Pipe Coupling | May 19, 21 | Nov 24, 22 | Not available |
| 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. |
| 2022/0042,431 | AN EXHAUST GAS ASSEMBLY | Sep 13, 19 | Feb 10, 22 | The University of Adelaide |
| 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 |
| 2020/0173,321 | SILENCER FOR FUEL CELL VEHICLES | Jun 27, 19 | Jun 04, 20 | Hyundai Motor Company; Kia Motors Corporation; |
| 2020/0056,519 | Muffler for motor vehicles | Nov 03, 17 | Feb 20, 20 | Not available |
| 2019/0301,322 | LOW NOISE ENCLOSURE | Mar 28, 18 | Oct 03, 19 | Not available |
| 2019/0301,323 | VEHICLE MUFFLER | Jul 12, 18 | Oct 03, 19 | Hyundai Motor Company; Kia Motors Corp.; |
| 2019/0195,099 | EXHAUST DEVICE OF ENGINE | Dec 12, 18 | Jun 27, 19 | Suzuki Motor Corporation |
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