- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F24F - Air-conditioningair-humidificationventilationuse of air currents for screening
- F24F 8/108 - Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering using dry filter elements
Patent holdings for IPC class F24F 8/108
Total number of patents in this class: 773
10-year publication summary
|
4
|
4
|
10
|
24
|
62
|
142
|
169
|
155
|
132
|
80
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Electronics Inc. | 75818 |
80 |
| Samsung Electronics Co., Ltd. | 157946 |
40 |
| Microjet Technology Co., Ltd. | 461 |
35 |
| Coway Co., Ltd. | 788 |
29 |
| Daikin Industries, Ltd. | 10504 |
17 |
| Qingdao Haier Air Conditioner General Corp.,ltd | 2429 |
15 |
| Haier Smart Home Co., Ltd. | 5716 |
15 |
| Qingdao Haier Air-Conditioning Electronic Co., Ltd. | 1922 |
15 |
| 3m Innovative Properties Company | 17481 |
13 |
| K&N Engineering, Inc. | 463 |
13 |
| GD Midea Air-Conditioning Equipment Co., Ltd. | 2091 |
10 |
| Mitsubishi Electric Corporation | 48048 |
9 |
| Midea Group Co., Ltd. | 5034 |
9 |
| Blueair AB | 117 |
8 |
| Research Products Corporation | 204 |
8 |
| Microjet Technology Co., Ltd. | 14 |
8 |
| Panasonic Intellectual Property Management Co., Ltd. | 34035 |
7 |
| Dyson Technology Limited | 4003 |
7 |
| GD Midea Environment Appliances MFG Co., Ltd. | 235 |
7 |
| Hisense (Guangdong) Air Conditioning Co., Ltd. | 141 |
7 |
| Other owners | 421 |