- 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: 435
10-year publication summary
|
61
|
39
|
40
|
57
|
32
|
31
|
43
|
32
|
22
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 47529 |
34 |
| LG Electronics Inc. | 74878 |
31 |
| Dyson Technology Limited | 3881 |
18 |
| Daikin Industries, Ltd. | 10386 |
12 |
| Coway Co., Ltd. | 767 |
12 |
| Sharp Kabushiki Kaisha | 18641 |
10 |
| Resideo LLC | 1326 |
10 |
| Samsung Electronics Co., Ltd. | 153357 |
9 |
| Qingdao Haier Air Conditioner General Corp.,ltd | 2422 |
9 |
| GREE Electric Appliances, Inc. of Zhuhai | 3274 |
8 |
| Daicel Corporation | 2456 |
7 |
| Midea Group Co., Ltd. | 4823 |
7 |
| Munters Europe AB | 66 |
6 |
| Ontel Products Corporation | 419 |
6 |
| Research Products Corporation | 197 |
6 |
| Panasonic Corporation | 19739 |
5 |
| GD Midea Environment Appliances MFG Co., Ltd. | 224 |
5 |
| 3m Innovative Properties Company | 17519 |
4 |
| Denso Corporation | 25153 |
4 |
| Koninklijke Philips N.V. | 25549 |
4 |
| Other owners | 228 |