- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F24F - Air-conditioningair-humidificationventilationuse of air currents for screening
- F24F 11/871 - 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 by controlling outdoor fans
Patent holdings for IPC class F24F 11/871
Total number of patents in this class: 127
10-year publication summary
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0
|
0
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5
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5
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12
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20
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12
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19
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13
|
10
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 46765 |
18 |
| GD Midea Air-Conditioning Equipment Co., Ltd. | 1889 |
13 |
| Haier Smart Home Co., Ltd. | 5518 |
12 |
| Qingdao Haier Air-Conditioning Electronic Co., Ltd. | 1878 |
11 |
| Omachron Intellectual Property Inc. | 929 |
8 |
| Qingdao Haier Air Conditioner General Corp.,ltd | 2385 |
8 |
| Daikin Industries, Ltd. | 10142 |
6 |
| Midea Group Co., Ltd. | 4645 |
5 |
| Hitachi-johnson Controls Air Conditioning, Inc. | 514 |
5 |
| Qingdao Hisense Hitachi Air-Conditioning Systems Co., Ltd. | 226 |
4 |
| Samsung Electronics Co., Ltd. | 148649 |
3 |
| GREE Electric Appliances, Inc. of Zhuhai | 3257 |
3 |
| Johnson Controls Light Commercial IP GmbH | 369 |
3 |
| Carrier Corporation | 4006 |
2 |
| Fujitsu General Limited | 626 |
2 |
| Goodman Manufacturing Company, L.P., Goodman Holding Company, a Texas corporation, its General Partner | 139 |
2 |
| Lennox Industries Inc. | 1120 |
2 |
| LG Electronics Inc. | 73619 |
1 |
| Panasonic Intellectual Property Management Co., Ltd. | 32244 |
1 |
| GD Midea Heating & Ventilating Equipment Co., Ltd. | 677 |
1 |
| Other owners | 17 |