- 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 3/038 - Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of perforated plates defining expansion chambers associated with condensation and collection chambers
Patent holdings for IPC class F01N 3/038
Total number of patents in this class: 12
10-year publication summary
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1
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2
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1
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1
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1
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2
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2
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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
|
|---|---|---|
| Rhapis S.r.l | 6 |
2 |
| The Boeing Company | 20085 |
1 |
| Ford Global Technologies, LLC | 21046 |
1 |
| Blue Leaf I.P., Inc. | 2780 |
1 |
| Control Components, Inc. | 42 |
1 |
| Volvo Truck Corporation | 3674 |
1 |
| Tulino Research & Partners Ltd | 10 |
1 |
| Vapour Draw Systems Pty Ltd | 1 |
1 |
| Global Solutions Technology LLC | 1 |
1 |
| Purem GmbH, Formerly, Eberspächer Exhaust Technology GmbH | 313 |
1 |
| Pacific Crown Helicopters | 2 |
1 |
| Other owners | 0 |