- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F24F - Air-conditioningair-humidificationventilationuse of air currents for screening
- F24F 1/0059 - Indoor units, e.g. fan coil units characterised by heat exchangers
Patent holdings for IPC class F24F 1/0059
Total number of patents in this class: 147
10-year publication summary
|
6
|
7
|
7
|
15
|
22
|
25
|
20
|
21
|
15
|
10
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 46672 |
24 |
| Daikin Industries, Ltd. | 10118 |
17 |
| Samsung Electronics Co., Ltd. | 148173 |
11 |
| Hitachi-johnson Controls Air Conditioning, Inc. | 513 |
7 |
| LG Electronics Inc. | 73763 |
6 |
| Fujitsu General Limited | 626 |
4 |
| Lennox Industries Inc. | 1131 |
4 |
| NEC Corporation | 36136 |
3 |
| Carrier Corporation | 4296 |
3 |
| GD Midea Heating & Ventilating Equipment Co., Ltd. | 667 |
3 |
| Yamaichi Special Steel Co.,Ltd. | 10 |
3 |
| GD Midea Air-Conditioning Equipment Co., Ltd. | 1874 |
2 |
| GREE Electric Appliances, Inc. of Zhuhai | 3256 |
2 |
| Midea Group Co., Ltd. | 4635 |
2 |
| Qingdao Haier Air Conditioner General Corp.,ltd | 2381 |
2 |
| Qingdao Hisense Hitachi Air-Conditioning Systems Co., Ltd. | 222 |
2 |
| Dantherm Cooling Inc. | 19 |
2 |
| Hefei Midea Heating & Ventilating Equipment Co., Ltd. | 276 |
2 |
| Muclitech Inc. | 3 |
2 |
| Johnson Controls Light Commercial IP GmbH | 370 |
2 |
| Other owners | 44 |