- 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: 672
10-year publication summary
|
0
|
6
|
10
|
16
|
96
|
255
|
151
|
130
|
79
|
37
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Electronics Co., Ltd. | 157557 |
31 |
| Daikin Industries, Ltd. | 10478 |
23 |
| LG Electronics Inc. | 75654 |
22 |
| Microjet Technology Co., Ltd. | 461 |
19 |
| Tyco Fire & Security GmbH | 3631 |
15 |
| Seoul Viosys Co., Ltd. | 1557 |
10 |
| Signify Holding B.V. | 8030 |
10 |
| Dyson Technology Limited | 3977 |
9 |
| Heds Holdings LLC | 20 |
9 |
| Qingdao Haier Air Conditioner General Corp.,ltd | 2428 |
8 |
| Haier Smart Home Co., Ltd. | 5707 |
8 |
| Qingdao Haier Air-Conditioning Electronic Co., Ltd. | 1921 |
8 |
| Haier US Appliance Solutions, Inc. | 4031 |
7 |
| Molekule Group, Inc. | 62 |
7 |
| Fellowes, Inc. | 373 |
6 |
| GD Midea Air-Conditioning Equipment Co., Ltd. | 2087 |
6 |
| Perumala Holdings, LLC (a Belize Limited Liability company) | 31 |
6 |
| 12180235 Canada Ltd. | 18 |
5 |
| OSRAM GmbH | 2216 |
4 |
| DBG Group Investments, LLC | 73 |
4 |
| Other owners | 455 |