- 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 13/12 - Exhaust or silencing apparatus characterised by constructional features specially adapted for submerged exhausting
Patent holdings for IPC class F01N 13/12
Total number of patents in this class: 43
10-year publication summary
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3
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2
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5
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7
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4
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4
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4
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1
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1
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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
|
|---|---|---|
| Yamaha Motor Co., Ltd. | 2822 |
8 |
| Brunswick Corporation | 1441 |
7 |
| Hamilton Sundstrand Corporation | 5013 |
5 |
| Honda Motor Co., Ltd. | 25811 |
3 |
| ZF Friedrichshafen AG | 7213 |
2 |
| AB Volvo Penta | 81 |
2 |
| BRP US Inc. | 300 |
2 |
| CompX International Inc. | 98 |
2 |
| Suzuki Motor Corporation | 1351 |
2 |
| Komatsu Ltd. | 4659 |
1 |
| Cox Powertrain Ltd | 41 |
1 |
| Isuzu Motors Limited | 2299 |
1 |
| Lab SA | 17 |
1 |
| Volvo Truck Corporation | 3748 |
1 |
| Woods, Woodrow | 3 |
1 |
| ST Engineering Land Systems Ltd. | 23 |
1 |
| Kathryn Marie Day | 1 |
1 |
| Langh Patents Oy AB | 1 |
1 |
| Keijtech | 1 |
1 |
| Other owners | 0 |