- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F01B - Machines or engines, in general or of positive-displacement type, e.g. steam engines
- F01B 31/34 - Safety means against water hammer or against the penetration of water
Patent holdings for IPC class F01B 31/34
Total number of patents in this class: 0
10-year publication summary
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
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This class
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| Other owners | 0 |