- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F01N - Gas-flow silencers or exhaust apparatus for machines or engines in generalgas-flow silencers or exhaust apparatus for internal-combustion engines
- F01N 1/20 - Silencing apparatus characterised by method of silencing by using movable parts having oscillating or vibrating movement
Patent holdings for IPC class F01N 1/20
Total number of patents in this class: 12
10-year publication summary
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2
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0
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1
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0
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1
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0
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0
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0
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0
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0
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Centre National de La Recherche Scientifique | 10820 |
1 |
| Bentley Motors Limited | 299 |
1 |
| Calsonic Kansei Corporation | 557 |
1 |
| Daedong Industrial Co., Ltd. | 64 |
1 |
| Ecole Centrale de Marseille | 84 |
1 |
| Futaba Industrial Co., Ltd. | 353 |
1 |
| McLaren Automotive Limited | 241 |
1 |
| Sango Co., Ltd. | 72 |
1 |
| Tenneco Automotive Operating Company Inc. | 273 |
1 |
| Universite D'aix-marseille | 914 |
1 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12585 |
1 |
| Middleville Engineered Solutions, LLC | 7 |
1 |
| Other owners | 0 |