- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F24F - Air-conditioningair-humidificationventilationuse of air currents for screening
- F24F 6/04 - Air-humidification by evaporation of water in the air using stationary unheated wet elements
Patent holdings for IPC class F24F 6/04
Total number of patents in this class: 424
10-year publication summary
|
27
|
61
|
39
|
40
|
57
|
32
|
31
|
42
|
32
|
17
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 46397 |
34 |
| LG Electronics Inc. | 73531 |
31 |
| Dyson Technology Limited | 3671 |
18 |
| Coway Co., Ltd. | 735 |
12 |
| Daikin Industries, Ltd. | 10070 |
10 |
| Sharp Kabushiki Kaisha | 18716 |
10 |
| Resideo LLC | 1301 |
10 |
| Samsung Electronics Co., Ltd. | 147501 |
9 |
| Qingdao Haier Air Conditioner General Corp.,ltd | 2376 |
9 |
| GREE Electric Appliances, Inc. of Zhuhai | 3251 |
8 |
| Midea Group Co., Ltd. | 4600 |
7 |
| Munters Europe AB | 58 |
6 |
| Research Products Corporation | 184 |
6 |
| Panasonic Corporation | 20050 |
5 |
| Daicel Corporation | 2375 |
5 |
| GD Midea Environment Appliances MFG Co., Ltd. | 212 |
5 |
| Denso Corporation | 24431 |
4 |
| Koninklijke Philips N.V. | 24841 |
4 |
| Panasonic Intellectual Property Management Co., Ltd. | 31806 |
4 |
| DRI-STEEM Corporation | 47 |
4 |
| Other owners | 223 |