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 1/16: Silencing apparatus characterised by method of silencing by using movable parts
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12117827 | Remote controlled engine revving | May 10, 23 | Oct 15, 24 | Ford Global Technologies, LLC |
| 12071887 | Engine assembly for a vehicle having a hydrocarbon trap | Dec 17, 21 | Aug 27, 24 | BRP-ROTAX GMBH & CO. KG |
| 12043361 | Exhaust handling systems for marine vessels and related methods | Sep 18, 23 | Jul 23, 24 | Marathon Petroleum Company LP |
| 12000360 | Axial expandable exhaust duct | Jul 01, 22 | Jun 04, 24 | RTX CORPORATION |
| 11988124 | Exhaust system for an internal combustion engine | Nov 10, 21 | May 21, 24 | Ferrari S.p.A. |
| 11965443 | Gas flow and sound control valve for exhaust gas system | Nov 15, 19 | Apr 23, 24 | Akrapovic d.d. |
| 11959406 | Car provided with an exhaust system with aerodynamic effect | Nov 10, 21 | Apr 16, 24 | Ferrari S.p.A. |
| 11859524 | Method for interlocking engine exhaust sound with traveling mode and exhaust system for smart vehicle | Jan 06, 21 | Jan 02, 24 | Hyundai Motor Company; Kia Motors Corporation; |
| 11835008 | Engine and engine exhaust control system | Jan 12, 23 | Dec 05, 23 | Ford Global Technologies, LLC |
| 11753974 | Methods and system for de-icing a valve of an exhaust system | Nov 05, 21 | Sep 12, 23 | Ford Global Technologies, LLC |
| 11746685 | Exhaust restriction device for improved sensor signal | Jan 27, 22 | Sep 05, 23 | Ford Global Technologies, LLC |
| 11733691 | Remote controlled engine revving | Nov 03, 20 | Aug 22, 23 | Ford Global Technologies, LLC |
| 11708084 | Vehicle sound attenuation | Nov 25, 19 | Jul 25, 23 | Ford Global Technologies, LLC |
| 11702997 | Valve assembly for exhaust system | Mar 16, 21 | Jul 18, 23 | Tenneco Automotive Operating Company Inc. |
| 11698020 | Valve mounting structure | Sep 27, 22 | Jul 11, 23 | Futaba Industrial Co. Ltd. |
| 11680503 | Exhaust sound tuning system and method | Mar 16, 21 | Jun 20, 23 | Ford Global Technologies, LLC |
| 11674430 | Adjustable exhaust backpressure device | Jul 12, 21 | Jun 13, 23 | Not available |
| 11661871 | Muffler for vehicle | Jul 10, 20 | May 30, 23 | Hyundai Motor Company; Hyundai Motor Company & Kia Motors Corporation; |
| 11655740 | Drone elimination muffler | Dec 19, 19 | May 23, 23 | K&N Engineering, Inc. |
| 11578627 | Device for controlling exhaust sound of vehicle | Oct 02, 19 | Feb 14, 23 | Hyundai Motor Company; Kia Motors Corporation; |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2025/0067,202 | ACOUSTIC EFFICIENCY | Aug 20, 24 | Feb 27, 25 | Not available |
| 2025/0043,706 | CONVERTIBLE SILENCER | Jul 29, 24 | Feb 06, 25 | Not available |
| 2024/0286,726 | EXHAUST HANDLING SYSTEMS FOR MARINE VESSELS AND RELATED METHODS | May 10, 24 | Aug 29, 24 | Not available |
| 2024/0167,405 | EXHAUST VALVE AND METHOD FOR MANUFACTURING SAME | Mar 26, 21 | May 23, 24 | Sankei Giken Kogyo Co. Ltd. |
| 2024/0044,274 | ENGINE ASSEMBLY FOR A VEHICLE HAVING A HYDROCARBON TRAP | Dec 17, 21 | Feb 08, 24 | Not available |
| 2023/0374,923 | MUFFLER SYSTEM WITH PNEUMATICALLY ACTUATED BYPASS VALVE | May 17, 23 | Nov 23, 23 | Not available |
| 2023/0212,968 | EXHAUST SILENCING DEVICE AND SYSTEM, VEHICLE, AND EXHAUST SILENCING METHOD | Jul 14, 20 | Jul 06, 23 | Not available |
| 2023/0193,796 | MUFFLER VALVE AND MUFFLER | Mar 22, 21 | Jun 22, 23 | Sankei Giken Kogyo Co. Ltd. |
| 2022/0356,823 | AFTER-MARKET REPLACEMENT KIT TO TEMPORARILY BYPASS A VEHICLE'S MUFFLER SILENCER RESONATORS TO IMPROVE EXHAUST SOUND, PERFORMANCE, FUEL ECONOMY AND OTHER CHARACTERISTICS | May 05, 21 | Nov 10, 22 | Fabspeed.com, Inc. |
| 2022/0099,007 | EXHAUST SYSTEM | Sep 28, 20 | Mar 31, 22 | Not available |
| 2021/0131,324 | ADAPTIVE EXHAUST VALVE WITH PURPOSE-DESIGNED SPRING | Oct 30, 19 | May 06, 21 | Not available |
| 2021/0115,824 | METHODS AND SYSTEMS FOR AN EXHAUST MUFFLER SYSTEM | Oct 16, 19 | Apr 22, 21 | Not available |
| 2021/0071,555 | METHODS AND SYSTEMS FOR AN EXHAUST TUNING VALVE | Sep 09, 19 | Mar 11, 21 | Not available |
| 2021/0010,401 | Control System for a Valve | May 24, 17 | Jan 14, 21 | IVEX Pty Ltd |
| 2020/0378,285 | EXHAUST HEAT RECOVERY SYSTEM | Oct 15, 19 | Dec 03, 20 | Hyundai Motor Company; Kia Motors Corporation; |
| 2020/0256,228 | Vacuum Pumps For Single And Multi-Process Chamber Flow Stream Sharing | Feb 13, 20 | Aug 13, 20 | Applied Materials Inc. |
| 2020/0157,988 | EXHAUST VALVE DEVICE | Jul 19, 18 | May 21, 20 | Not available |
| 2020/0063,621 | DEVICE FOR REGULATING DISPLACEMENT | Aug 21, 18 | Feb 27, 20 | Not available |
| 2020/0056,519 | Muffler for motor vehicles | Nov 03, 17 | Feb 20, 20 | Not available |
| 2020/0049,040 | Exhaust Flap for an Exhaust System of a Motor Vehicle, Controller for Such an Exhaust Flap, and Method for Operating Such an Exhaust Flap | Oct 18, 19 | Feb 13, 20 | Not available |
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