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 1/18: Silencing apparatus characterised by method of silencing by using movable parts having rotary movement
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 11965443 | Gas flow and sound control valve for exhaust gas system | Nov 15, 19 | Apr 23, 24 | Akrapovic d.d. |
| 11753974 | Methods and system for de-icing a valve of an exhaust system | Nov 05, 21 | Sep 12, 23 | Ford Global Technologies, LLC |
| 11661871 | Muffler for vehicle | Jul 10, 20 | May 30, 23 | Hyundai Motor Company; Hyundai Motor Company & Kia Motors Corporation; |
| 11566547 | Exhaust muffler | Mar 12, 21 | Jan 31, 23 | Honda Motor Co., Ltd. |
| 11506096 | Exhaust system for an internal combustion engine | Apr 06, 21 | Nov 22, 22 | Ferrari S.p.A. |
| 11492937 | Multi-mode exhaust muffler | Nov 15, 19 | Nov 08, 22 | Ford Global Technologies, LLC |
| 11434795 | Silencer for fuel cell vehicles | Jun 27, 19 | Sep 06, 22 | Hyundai Motor Company; Kia Motors Corporation; |
| 11384666 | Adaptive exhaust valve with purpose-designed spring | Oct 30, 19 | Jul 12, 22 | Faurecia Emissions Control Technologies USA LLC |
| 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. |
| 11174768 | Exhaust system for an internal combustion engine | Jul 29, 20 | Nov 16, 21 | Ferrari S.p.A. |
| 11164560 | Well site noise control | Oct 11, 16 | Nov 02, 21 | Halliburton Energy Services Inc. |
| 11060428 | Exhaust valve damper | May 24, 18 | Jul 13, 21 | Tenneco Automotive Operating Company Inc. |
| 11015511 | Methods and system for diagnosing active exhaust valves based on temperature and thermal image data | Apr 04, 19 | May 25, 21 | Ford Global Technologies, LLC |
| 10989309 | Piloted exhaust line valve and corresponding production method | Apr 17, 19 | Apr 27, 21 | Faurecia Systemes D'Echappement |
| 10837333 | Exhaust system having tunable exhaust sound | Dec 28, 17 | Nov 17, 20 | Ford Global Technologies, LLC |
| 10787943 | Exhaust device for internal combustion engine | Jan 13, 17 | Sep 29, 20 | Honda Motor Co. Ltd. |
| 10690063 | Exhaust gas flap | Jun 26, 17 | Jun 23, 20 | Eberspächer Exhaust Technology GmbH & Co. KG |
| 10662838 | Exhaust system spring with torsional damping | Mar 14, 14 | May 26, 20 | Faurecia Emissions Control Technologies USA LLC |
| 10590840 | Method to control an electrically-operated turbocharger in a supercharged internal combustion engine for increasing acoustical emission in the exhaust | Jan 16, 18 | Mar 17, 20 | Ferrari S.p.A. |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2024/0167,405 | EXHAUST VALVE AND METHOD FOR MANUFACTURING SAME | Mar 26, 21 | May 23, 24 | Sankei Giken Kogyo Co. Ltd. |
| 2019/0203,619 | EXHAUST SYSTEM HAVING TUNABLE EXHAUST SOUND | Dec 28, 17 | Jul 04, 19 | Not available |
| 2018/0371,972 | Internal Combustion Engine with reduced noise and increased performance | Jun 23, 17 | Dec 27, 18 | Not available |
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