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 1/20: Silencing apparatus characterised by method of silencing by using movable parts having oscillating or vibrating movement (the parts being resilient walls F01N 1/22)
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 11988122 | Exhaust sound bypass | Mar 18, 19 | May 21, 24 | MCLAREN AUTOMOTIVE LIMITED |
| 10253664 | Passive exhaust valve assembly with overlapping slip joint and method of forming and installation | Nov 08, 16 | Apr 09, 19 | Middleville Tool & Die Co, Inc |
| 9422843 | Resonance generating muffler | Sep 08, 13 | Aug 23, 16 | Not available |
| 7559406 | Acoustic fluid machine | Mar 21, 07 | Jul 14, 09 | ANEST IWATA CORPORATION |
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