- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F25B - Refrigeration machines, plants or systemscombined heating and refrigeration systemsheat pump systems
- F25B 41/28 - Disposition of valves, e.g. of on-off valves or flow control valves specially adapted for sorption cycles
Patent holdings for IPC class F25B 41/28
Total number of patents in this class: 9
10-year publication summary
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0
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0
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1
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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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1
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Gobi Technologies Inc. | 9 |
2 |
| LG Electronics Inc. | 74953 |
1 |
| Daikin Industries, Ltd. | 10375 |
1 |
| The University of Tokyo | 4320 |
1 |
| Sorption Technologies GmbH | 4 |
1 |
| Wuhan Hydrogen Energy and Fuel Cell Industry Technology Research Institute Co., Ltd. | 5 |
1 |
| North China Municipal Engineering Design & Research Institute Co., Ltd. | 22 |
1 |
| Effusio, LLC | 1 |
1 |
| Other owners | 0 |