- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F01L - Cyclically operating valves for machines or engines
- F01L 9/14 - 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 the volume of the chamber being variable, e.g. for varying the lift or the timing of a valve
Patent holdings for IPC class F01L 9/14
Total number of patents in this class: 22
10-year publication summary
0
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0
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0
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0
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3
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7
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3
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4
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4
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2
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2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Schaeffler Technologies AG & Co. KG | 8880 |
6 |
C.R.F. Societa Consortile per Azioni | 395 |
4 |
Weifang Lichuang Electronic Technology Co., Ltd. | 8 |
3 |
Jacobs Vehicle Systems, Inc. | 212 |
2 |
Rolls-Royce Solutions GmbH | 228 |
2 |
Ford Global Technologies, LLC | 19702 |
1 |
Caterpillar Inc. | 8877 |
1 |
Punch Torino S.p.A. | 6 |
1 |
VOLLERTSEN, Tobias | 1 |
1 |
VOLLERTSEN, Troels | 1 |
1 |
Other owners | 0 |