- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F24F - Air-conditioningair-humidificationventilationuse of air currents for screening
- F24F 11/86 - Control systems characterised by their outputsConstructional details thereof for controlling the temperature of the supplied air by controlling compressors within refrigeration or heat pump circuits
Patent holdings for IPC class F24F 11/86
Total number of patents in this class: 1041
10-year publication summary
|
1
|
7
|
33
|
96
|
114
|
116
|
105
|
143
|
115
|
37
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Haier Smart Home Co., Ltd. | 5431 |
131 |
| Qingdao Haier Air Conditioner General Corp.,ltd | 2363 |
125 |
| Mitsubishi Electric Corporation | 45899 |
119 |
| Qingdao Haier Air-Conditioning Electronic Co., Ltd. | 1856 |
117 |
| Daikin Industries, Ltd. | 9977 |
66 |
| Lennox Industries Inc. | 1114 |
53 |
| GD Midea Air-Conditioning Equipment Co., Ltd. | 1807 |
49 |
| GREE Electric Appliances, Inc. of Zhuhai | 3228 |
31 |
| Midea Group Co., Ltd. | 4500 |
27 |
| Samsung Electronics Co., Ltd. | 144675 |
26 |
| Tyco Fire & Security GmbH | 3183 |
21 |
| Copeland LP | 695 |
16 |
| Fujitsu General Limited | 598 |
15 |
| Johnson Controls Light Commercial IP GmbH | 306 |
14 |
| Panasonic Intellectual Property Management Co., Ltd. | 31084 |
13 |
| Hitachi-johnson Controls Air Conditioning, Inc. | 509 |
13 |
| Qingdao Hisense Hitachi Air-Conditioning Systems Co., Ltd. | 194 |
11 |
| GD Midea Heating & Ventilating Equipment Co., Ltd. | 601 |
10 |
| Trane International Inc. | 1177 |
10 |
| Toshiba Carrier Corporation | 502 |
9 |
| Other owners | 165 |