- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F24F - Air-conditioning; air-humidification; ventilation; use of air currents for screening
- F24F 11/87 - Control systems characterised by their outputs; Constructional 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: 20
10-year publication summary
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0
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0
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0
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5
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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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1
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| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Daikin Industries, Ltd. | 9495 |
6 |
| Heatcraft Refrigeration Products LLC | 246 |
4 |
| Mitsubishi Electric Corporation | 43934 |
3 |
| Chicony Power Technology Co., Ltd. | 244 |
1 |
| Haier US Appliance Solutions, Inc. | 3178 |
1 |
| Qingdao Haier Air Conditioner General Corp.,ltd | 2228 |
1 |
| Sanden Holdings Corporation | 216 |
1 |
| Toshiba Carrier Corporation | 567 |
1 |
| Haier Smart Home Co., Ltd. | 4882 |
1 |
| Qingdao Haier Air-Conditioning Electronic Co., Ltd. | 1721 |
1 |
| Other owners | 0 |