- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F24F - Air-conditioningair-humidificationventilationuse of air currents for screening
- F24F 1/0022 - Centrifugal or radial fans
Patent holdings for IPC class F24F 1/0022
Total number of patents in this class: 220
10-year publication summary
|
12
|
15
|
14
|
25
|
20
|
26
|
35
|
26
|
22
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 47267 |
46 |
| Samsung Electronics Co., Ltd. | 150751 |
31 |
| Qingdao Haier Air Conditioner General Corp.,ltd | 2401 |
13 |
| Haier Smart Home Co., Ltd. | 5581 |
13 |
| LG Electronics Inc. | 74175 |
12 |
| GREE Electric Appliances, Inc. of Zhuhai | 3267 |
9 |
| Fujitsu General Limited | 627 |
7 |
| Daikin Industries, Ltd. | 10210 |
6 |
| Qingdao Haier Air-Conditioning Electronic Co., Ltd. | 1894 |
6 |
| Envola GmbH | 41 |
6 |
| GD Midea Heating & Ventilating Equipment Co., Ltd. | 703 |
5 |
| Goodman Global Group, Inc | 36 |
5 |
| Panasonic Intellectual Property Management Co., Ltd. | 32838 |
4 |
| Midea Group Co., Ltd. | 4715 |
4 |
| GD Midea Air-Conditioning Equipment Co., Ltd. | 1942 |
3 |
| Lennox Industries Inc. | 1105 |
3 |
| Toshiba Carrier Corporation | 485 |
3 |
| Trane International Inc. | 1206 |
3 |
| Hitachi-johnson Controls Air Conditioning, Inc. | 518 |
3 |
| Hefei Midea Heating & Ventilating Equipment Co., Ltd. | 300 |
3 |
| Other owners | 35 |