- 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: 451
10-year publication summary
|
61
|
41
|
40
|
59
|
36
|
33
|
48
|
34
|
23
|
21
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 48097 |
34 |
| LG Electronics Inc. | 75845 |
31 |
| Dyson Technology Limited | 4010 |
19 |
| Daikin Industries, Ltd. | 10511 |
12 |
| Coway Co., Ltd. | 788 |
12 |
| Research Products Corporation | 205 |
10 |
| Sharp Kabushiki Kaisha | 18525 |
10 |
| Samsung Electronics Co., Ltd. | 158156 |
9 |
| Qingdao Haier Air Conditioner General Corp.,ltd | 2429 |
9 |
| GREE Electric Appliances, Inc. of Zhuhai | 3318 |
8 |
| Daicel Corporation | 2544 |
7 |
| Midea Group Co., Ltd. | 5040 |
7 |
| Munters Europe AB | 79 |
7 |
| Shenzhen Chenbei Technology Co., Ltd. | 168 |
7 |
| Ontel Products Corporation | 412 |
6 |
| Resideo LLC | 1187 |
6 |
| 3m Innovative Properties Company | 17484 |
5 |
| Panasonic Corporation | 18951 |
5 |
| GD Midea Environment Appliances MFG Co., Ltd. | 235 |
5 |
| Denso Corporation | 25607 |
4 |
| Other owners | 238 |