- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F01C - Rotary-piston or oscillating-piston machines or engines
- F01C 20/12 - Control of, monitoring of, or safety arrangements for, machines or engines characterised by changing the positions of the inlet or outlet openings with respect to the working chamber using sliding valves
Patent holdings for IPC class F01C 20/12
Total number of patents in this class: 4
10-year publication summary
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0
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1
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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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1
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0
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0
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| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Electronics Co., Ltd. | 131630 |
1 |
| Bitzer Kuehlmaschinenbau GmbH | 140 |
1 |
| Fu Sheng Industrial Co., Ltd. | 11 |
1 |
| Lontra Limited | 27 |
1 |
| Other owners | 0 |