- 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 5/00 - Exhaust or silencing apparatus combined or associated with devices profiting by exhaust energy
Patent holdings for IPC class F01N 5/00
Total number of patents in this class: 82
10-year publication summary
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5
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7
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3
|
1
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3
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1
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2
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2
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1
|
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
|
|---|---|---|
| GM Global Technology Operations LLC | 16188 |
6 |
| BorgWarner Inc. | 2582 |
3 |
| Concrete Innovation Services | 3 |
3 |
| N/C Quest, Inc. | 21 |
3 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12353 |
3 |
| Purem GmbH, Formerly, Eberspächer Exhaust Technology GmbH | 309 |
3 |
| Ford Global Technologies, LLC | 21560 |
2 |
| Mazda Motor Corporation | 3304 |
2 |
| Chungbuk National University Industry-Academic Cooperation Foundation | 254 |
2 |
| Discovery Energy, LLC | 392 |
2 |
| General Electric Company | 13915 |
1 |
| The Boeing Company | 20186 |
1 |
| Airbus Operations GmbH | 3459 |
1 |
| Hitachi Automotive Systems, Ltd. | 3954 |
1 |
| Robert Bosch GmbH | 44254 |
1 |
| Caterpillar Inc. | 10280 |
1 |
| Hyundai Motor Company | 24808 |
1 |
| Daimler AG | 2811 |
1 |
| Continental Automotive GmbH | 4478 |
1 |
| Aisin Seiki Kabushiki Kaisha | 2154 |
1 |
| Other owners | 43 |