- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F04B - Positive-displacement machines for liquidspumps
- F04B 27/20 - Control of pumps with rotary cylinder block
Patent holdings for IPC class F04B 27/20
Total number of patents in this class: 4
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
|
This class
|
|---|---|---|
| Toyota Industries Corporation | 1174 |
2 |
| Schaeffler Technologies AG & Co. KG | 10558 |
1 |
| Duke Engines Limited | 6 |
1 |
| Other owners | 0 |