- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F03C - Positive-displacement engines driven by liquids
- F03C 1/247 - Reciprocating-piston liquid engines with movable cylinders in which the liquid exclusively displaces one or more pistons reciprocating in rotary cylinders with cylinders in star- or fan-arrangement
Patent holdings for IPC class F03C 1/247
Total number of patents in this class: 16
10-year publication summary
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0
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1
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2
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1
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1
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Poclain Hydraulics Industrie | 244 |
12 |
| Komatsu Ltd. | 4621 |
1 |
| China University of Geosciences, Beijing | 77 |
1 |
| KYB Corporation | 1395 |
1 |
| SAF-HOLLAND GmbH | 413 |
1 |
| Other owners | 0 |