- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F01B - Machines or engines, in general or of positive-displacement type, e.g. steam engines
- F01B 15/04 - Reciprocating-piston machines or engines with movable cylinders other than provided for in group with oscillating cylinder
Patent holdings for IPC class F01B 15/04
Total number of patents in this class: 3
10-year publication summary
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1
|
1
|
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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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
|
|---|---|---|
| Hydro-Industries Tynat Ltd. | 5 |
1 |
| O2 Waterator Ltd. | 3 |
1 |
| Leen International Ltd. | 1 |
1 |
| Other owners | 0 |