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 1/10: Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling in combination with sound-absorbing materials
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12116913 | Exhaust gas assembly | Sep 13, 19 | Oct 15, 24 | The University of Adelaide |
| 11578627 | Device for controlling exhaust sound of vehicle | Oct 02, 19 | Feb 14, 23 | Hyundai Motor Company; Kia Motors Corporation; |
| 11536174 | Acoustic damper for gas turbine combustors with orthogonal slots | Jul 19, 18 | Dec 27, 22 | President and Fellows of Harvard College; Siemens Canada Limited; |
| 11454148 | Muffler for vehicle for implementing sporty exhaust sound | Mar 11, 20 | Sep 27, 22 | Hyundai Motor Company; Hyundai Motor Company & Kia Motors Corporation; |
| 11434795 | Silencer for fuel cell vehicles | Jun 27, 19 | Sep 06, 22 | Hyundai Motor Company; Kia Motors Corporation; |
| 11384665 | Muffler | Jun 26, 19 | Jul 12, 22 | Purem GmbH |
| 11371404 | Engine muffler apparatus | Aug 13, 19 | Jun 28, 22 | Not available |
| 11339704 | Exhaust subsystem with fiber pipe and method of forming fiber pipe | Nov 18, 16 | May 24, 22 | NOVO PLASTICS INC. |
| 11286820 | Method and apparatus for filling silencer with glass fiber | Oct 12, 18 | Mar 29, 22 | CREFACT CO., LTD. |
| 11242783 | Sound deflecting muffler | Jun 30, 21 | Feb 08, 22 | Not available |
| 11225889 | Silencer and ejector in which silencer is used | Jun 05, 18 | Jan 18, 22 | SMC Corporation |
| 11211042 | Sound damping device for a duct or chamber | May 04, 17 | Dec 28, 21 | SONTECH INTERNATIONAL AB |
| 11109149 | Sound absorbing material and speaker box using same | Jul 26, 19 | Aug 31, 21 | AAC ACOUSTIC TECHNOLOGIES (SHENZHEN) CO., LTD |
| 10927732 | Low noise enclosure | Mar 28, 18 | Feb 23, 21 | Cummins Power Generation IP, Inc. |
| 10704464 | Acoustic nozzles for inlet bleed heat systems | Feb 16, 16 | Jul 07, 20 | General Electric Company |
| 10704422 | Mobile power generation system including noise attenuation | Aug 29, 17 | Jul 07, 20 | On-Power, Inc. |
| 10518632 | Valve assembly | Jul 25, 18 | Dec 31, 19 | Tenneco Automotive Operating Company Inc. |
| 10508573 | Baffle assembly for a duct | Apr 11, 17 | Dec 17, 19 | Caterpillar Inc. |
| 10465832 | Damping device | Dec 23, 15 | Nov 05, 19 | Hydac Technology GmbH |
| 10465587 | Muffler for an exhaust system of an internal combustion engine, especially for motor vehicles with hybrid drive | May 22, 17 | Nov 05, 19 | Eberspächer Exhaust Technology GmbH & Co. KG |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2022/0034,244 | SOUND SUPPRESSION DEVICE FOR GAS CAPTURE SYSTEM OF CYCLOTRON PRODUCT | Nov 27, 19 | Feb 03, 22 | Not available |
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