- 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 13/02 - Exhaust or silencing apparatus characterised by constructional features having two or more separate silencers in series
Patent holdings for IPC class F01N 13/02
Total number of patents in this class: 174
10-year publication summary
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14
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8
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14
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3
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4
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5
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1
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2
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4
|
1
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Peugeot Citroen Automobiles SA | 1650 |
11 |
| Bayerische Motoren Werke Aktiengesellschaft | 15373 |
9 |
| Honda Motor Co., Ltd. | 26105 |
7 |
| Daimler AG | 2811 |
6 |
| Audi AG | 7571 |
6 |
| Volkswagen AG | 7475 |
5 |
| BASF Mobile Emissions Catalysts LLC | 426 |
5 |
| Ford Global Technologies, LLC | 21560 |
4 |
| Caterpillar Inc. | 10280 |
4 |
| Hyundai Motor Company | 24808 |
4 |
| Tenneco Automotive Operating Company Inc. | 455 |
4 |
| Umicore AG & Co. KG | 850 |
4 |
| Wartsila Finland Oy | 754 |
4 |
| Mercedes-Benz Group AG | 5594 |
4 |
| Tenneco Automotive Operating Company LLC | 202 |
4 |
| Perkins Engines Company Limited | 304 |
3 |
| Faurecia Systemes D'Echappement | 172 |
3 |
| Johnson Matthey Public Limited Company | 1763 |
3 |
| GE Global Sourcing LLC | 861 |
3 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12353 |
3 |
| Other owners | 78 |