- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F01L - Cyclically operating valves for machines or engines
- F01L 9/12 - Valve-gear or valve arrangements actuated non-mechanically by fluid means, e.g. hydraulic in which the action of a cam is being transmitted to a valve by a liquid column with a liquid chamber between a piston actuated by a cam and a piston acting on a valve stem
Patent holdings for IPC class F01L 9/12
Total number of patents in this class: 10
10-year publication summary
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0
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0
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0
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1
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3
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1
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2
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3
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0
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0
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Jacobs Vehicle Systems, Inc. | 217 |
4 |
| Weifang Lichuang Electronic Technology Co., Ltd. | 8 |
2 |
| C.R.F. Societa Consortile per Azioni | 384 |
1 |
| Jiangsu Jointek Precision Machinery Co., Ltd | 8 |
1 |
| VOLLERTSEN, Tobias | 1 |
1 |
| VOLLERTSEN, Troels | 1 |
1 |
| Other owners | 0 |