- 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 1/22 - Silencing apparatus characterised by method of silencing by using movable parts the parts being resilient walls
Patent holdings for IPC class F01N 1/22
Total number of patents in this class: 7
10-year publication summary
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2
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1
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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
|
|---|---|---|
| McLaren Automotive Limited | 237 |
2 |
| Carrier Corporation | 3988 |
1 |
| Calsonic Kansei Corporation | 560 |
1 |
| Ferrari S.p.A. | 1619 |
1 |
| Nittan Valve Co., Ltd. | 130 |
1 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12630 |
1 |
| Other owners | 0 |