- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F01L - Cyclically operating valves for machines or engines
- F01L 1/40 - Valve-gear or valve arrangements, e.g. lift-valve gear peculiar to machines or engines of specific type other than four-stroke cycle for engines with scavenging charge near top dead-centre position, e.g. by overlapping inlet and exhaust time
Patent holdings for IPC class F01L 1/40
Total number of patents in this class: 4
10-year publication summary
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0
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2
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0
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0
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0
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0
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1
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0
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1
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1
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hyundai Motor Company | 21938 |
2 |
| Airdaptive LLC | 3 |
1 |
| New H Powertrain Holding, S.L.U | 17 |
1 |
| Other owners | 0 |