- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F24F - Air-conditioningair-humidificationventilationuse of air currents for screening
- F24F 1/24 - Cooling of electric components
Patent holdings for IPC class F24F 1/24
Total number of patents in this class: 417
10-year publication summary
|
28
|
28
|
49
|
42
|
32
|
23
|
34
|
31
|
26
|
19
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 48287 |
95 |
| Daikin Industries, Ltd. | 10509 |
57 |
| GD Midea Heating & Ventilating Equipment Co., Ltd. | 769 |
33 |
| GD Midea Air-Conditioning Equipment Co., Ltd. | 2105 |
26 |
| Midea Group Co., Ltd. | 5070 |
20 |
| Hefei Midea Heating & Ventilating Equipment Co., Ltd. | 342 |
20 |
| Samsung Electronics Co., Ltd. | 158842 |
18 |
| LG Electronics Inc. | 75973 |
18 |
| Qingdao Haier Air Conditioner General Corp.,ltd | 2435 |
11 |
| Haier Smart Home Co., Ltd. | 5735 |
11 |
| Mitsubishi Heavy Industries Thermal Systems, Ltd. | 986 |
10 |
| Toshiba Carrier Corporation | 468 |
8 |
| Daikin Europe N.v. | 221 |
6 |
| GREE Electric Appliances, Inc. of Zhuhai | 3320 |
6 |
| Hitachi-johnson Controls Air Conditioning, Inc. | 510 |
6 |
| Fujitsu General Limited | 604 |
5 |
| Carrier Corporation | 3954 |
4 |
| Qingdao Haier Smart Technology R&D Co., Ltd. | 417 |
4 |
| Qingdao Haier Air-Conditioning Electronic Co., Ltd. | 1928 |
4 |
| Kiltech Inc. | 2 |
2 |
| Other owners | 53 |