- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F04B - Positive-displacement machines for liquidspumps
- F04B 1/2071 - Bearings for cylinder barrels
Patent holdings for IPC class F04B 1/2071
Total number of patents in this class: 4
10-year publication summary
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0
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0
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1
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0
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0
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1
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1
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1
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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
|
|---|---|---|
| Robert Bosch GmbH | 42411 |
1 |
| Hydro LEDUC | 10 |
1 |
| IFP Energies Nouvelles | 2888 |
1 |
| Innas B.V. | 23 |
1 |
| Other owners | 0 |