- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F24F - Air-conditioning; air-humidification; ventilation; use of air currents for screening
- F24F 11/79 - Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling the direction of the supplied air
Patent holdings for IPC class F24F 11/79
Total number of patents in this class: 1015
10-year publication summary
|
13
|
20
|
40
|
83
|
112
|
116
|
103
|
131
|
79
|
6
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Qingdao Haier Air Conditioner General Corp.,ltd | 2332 |
170 |
| Haier Smart Home Co., Ltd. | 5289 |
166 |
| Qingdao Haier Air-Conditioning Electronic Co., Ltd. | 1827 |
117 |
| Mitsubishi Electric Corporation | 44678 |
94 |
| LG Electronics Inc. | 70831 |
52 |
| Daikin Industries, Ltd. | 9766 |
52 |
| GD Midea Air-Conditioning Equipment Co., Ltd. | 1653 |
47 |
| Samsung Electronics Co., Ltd. | 138320 |
39 |
| Panasonic Intellectual Property Management Co., Ltd. | 29567 |
29 |
| Midea Group Co., Ltd. | 4277 |
25 |
| BEST Technologies, Inc. | 26 |
16 |
| GREE Electric Appliances, Inc. of Zhuhai | 3146 |
13 |
| Tyco Fire & Security GmbH | 3281 |
13 |
| Sharp Kabushiki Kaisha | 18873 |
8 |
| Mitsubishi Heavy Industries Thermal Systems, Ltd. | 835 |
7 |
| Ningbo Aux Electric Co., Ltd. | 163 |
7 |
| Panasonic Intellectual Property Corporation of America | 7359 |
6 |
| Aux Air Conditioner Co., Ltd. | 96 |
6 |
| Chongqing Haier Air Conditioner Co., Ltd | 30 |
6 |
| Coway Co., Ltd. | 692 |
5 |
| Other owners | 137 |