- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F24F - Air-conditioningair-humidificationventilationuse of air currents for screening
- F24F 11/87 - Control systems characterised by their outputsConstructional details thereof for controlling the temperature of the supplied air by controlling absorption or discharge of heat in outdoor units
Patent holdings for IPC class F24F 11/87
Total number of patents in this class: 24
10-year publication summary
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0
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0
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4
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2
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7
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2
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1
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2
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4
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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
|
|---|---|---|
| Mitsubishi Electric Corporation | 47014 |
6 |
| Daikin Industries, Ltd. | 10167 |
6 |
| Heatcraft Refrigeration Products LLC | 263 |
4 |
| Panasonic Intellectual Property Management Co., Ltd. | 32551 |
1 |
| Chicony Power Technology Co., Ltd. | 277 |
1 |
| Haier US Appliance Solutions, Inc. | 3803 |
1 |
| Qingdao Haier Air Conditioner General Corp.,ltd | 2392 |
1 |
| Sanden Holdings Corporation | 208 |
1 |
| Toshiba Carrier Corporation | 487 |
1 |
| Haier Smart Home Co., Ltd. | 5551 |
1 |
| Qingdao Haier Air-Conditioning Electronic Co., Ltd. | 1885 |
1 |
| Other owners | 0 |