- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F24F - Air-conditioningair-humidificationventilationuse of air currents for screening
- F24F 8/22 - Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by sterilisation using UV light
Patent holdings for IPC class F24F 8/22
Total number of patents in this class: 615
10-year publication summary
|
0
|
0
|
6
|
8
|
15
|
88
|
237
|
140
|
121
|
66
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Electronics Co., Ltd. | 147787 |
30 |
| Daikin Industries, Ltd. | 10106 |
20 |
| LG Electronics Inc. | 73588 |
18 |
| Microjet Technology Co., Ltd. | 450 |
12 |
| Tyco Fire & Security GmbH | 3417 |
11 |
| Signify Holding B.V. | 7629 |
10 |
| Qingdao Haier Air Conditioner General Corp.,ltd | 2378 |
8 |
| Seoul Viosys Co., Ltd. | 1479 |
8 |
| Haier Smart Home Co., Ltd. | 5492 |
8 |
| Qingdao Haier Air-Conditioning Electronic Co., Ltd. | 1871 |
8 |
| Dyson Technology Limited | 3675 |
7 |
| Haier US Appliance Solutions, Inc. | 3706 |
7 |
| Molekule Group, Inc. | 52 |
7 |
| Fellowes, Inc. | 361 |
6 |
| Heds Holdings LLC | 18 |
6 |
| GD Midea Air-Conditioning Equipment Co., Ltd. | 1860 |
5 |
| Perumala Holdings, LLC (a Belize Limited Liability company) | 29 |
5 |
| OSRAM GmbH | 2381 |
4 |
| Hanon Systems | 1982 |
4 |
| Miro Co. Ltd. | 93 |
4 |
| Other owners | 427 |