- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F24F - Air-conditioningair-humidificationventilationuse of air currents for screening
- F24F 11/79 - Control systems characterised by their outputsConstructional 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: 1048
10-year publication summary
|
13
|
20
|
40
|
83
|
111
|
116
|
103
|
131
|
82
|
35
|
| 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 | 2376 |
170 |
| Haier Smart Home Co., Ltd. | 5487 |
166 |
| Qingdao Haier Air-Conditioning Electronic Co., Ltd. | 1869 |
117 |
| Mitsubishi Electric Corporation | 46397 |
94 |
| LG Electronics Inc. | 73531 |
57 |
| Daikin Industries, Ltd. | 10070 |
53 |
| GD Midea Air-Conditioning Equipment Co., Ltd. | 1853 |
50 |
| Samsung Electronics Co., Ltd. | 147501 |
43 |
| Panasonic Intellectual Property Management Co., Ltd. | 31806 |
30 |
| Midea Group Co., Ltd. | 4600 |
27 |
| BEST Technologies, Inc. | 29 |
17 |
| GREE Electric Appliances, Inc. of Zhuhai | 3251 |
16 |
| Tyco Fire & Security GmbH | 3234 |
11 |
| Mitsubishi Heavy Industries Thermal Systems, Ltd. | 891 |
8 |
| Sharp Kabushiki Kaisha | 18716 |
8 |
| Ningbo Aux Electric Co., Ltd. | 180 |
7 |
| Panasonic Intellectual Property Corporation of America | 6835 |
6 |
| Coway Co., Ltd. | 735 |
6 |
| Aux Air Conditioner Co., Ltd. | 104 |
6 |
| Chongqing Haier Air Conditioner Co., Ltd | 30 |
6 |
| Other owners | 150 |