- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F01C - Rotary-piston or oscillating-piston machines or engines
- F01C 20/20 - Control of, monitoring of, or safety arrangements for, machines or engines characterised by varying the volume of the working chamber by changing the form of the inner or outer contour of the working chamber
Patent holdings for IPC class F01C 20/20
Total number of patents in this class: 5
10-year publication summary
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1
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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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0
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0
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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
|
|---|---|---|
| Customachinery Inc. | 8 |
2 |
| Jiangsu University | 1092 |
1 |
| Danfoss Power Solutions (US) Company | 21 |
1 |
| Quantex ARC Limited | 13 |
1 |
| Other owners | 0 |