- 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: 420
10-year publication summary
|
27
|
61
|
41
|
40
|
59
|
36
|
33
|
47
|
32
|
15
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 45998 |
34 |
| LG Electronics Inc. | 72890 |
31 |
| Dyson Technology Limited | 3640 |
17 |
| Coway Co., Ltd. | 732 |
12 |
| Sharp Kabushiki Kaisha | 18771 |
10 |
| Samsung Electronics Co., Ltd. | 145630 |
9 |
| Daikin Industries, Ltd. | 9995 |
9 |
| Qingdao Haier Air Conditioner General Corp.,ltd | 2368 |
9 |
| GREE Electric Appliances, Inc. of Zhuhai | 3241 |
8 |
| Midea Group Co., Ltd. | 4536 |
7 |
| Munters Europe AB | 54 |
6 |
| Research Products Corporation | 185 |
6 |
| Resideo LLC | 1146 |
6 |
| Panasonic Corporation | 20128 |
5 |
| GD Midea Environment Appliances MFG Co., Ltd. | 211 |
5 |
| Denso Corporation | 24248 |
4 |
| Koninklijke Philips N.V. | 24740 |
4 |
| Panasonic Intellectual Property Management Co., Ltd. | 31273 |
4 |
| Daicel Corporation | 2337 |
4 |
| DRI-STEEM Corporation | 46 |
4 |
| Other owners | 226 |