- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F24F - Air-conditioningair-humidificationventilationuse of air currents for screening
- F24F 8/50 - Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by odorisation
Patent holdings for IPC class F24F 8/50
Total number of patents in this class: 126
10-year publication summary
|
3
|
3
|
3
|
3
|
5
|
25
|
27
|
23
|
17
|
12
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Qingdao Haier Air Conditioner General Corp.,ltd | 2435 |
18 |
| Haier Smart Home Co., Ltd. | 5757 |
18 |
| Qingdao Haier Air-Conditioning Electronic Co., Ltd. | 1928 |
18 |
| Panasonic Intellectual Property Management Co., Ltd. | 34623 |
8 |
| Sony Group Corporation | 16234 |
4 |
| Baowu | 4 |
4 |
| Daikin Industries, Ltd. | 10540 |
3 |
| Numerical Design, Inc. | 10 |
3 |
| li,chunsheng | 10 |
3 |
| Denso Corporation | 25820 |
2 |
| Bains Ultra Inc. | 120 |
2 |
| Delos Living LLC | 114 |
2 |
| GD Midea Environment Appliances MFG Co., Ltd. | 239 |
2 |
| Shenzhen Jingxintai Houseware Co., Ltd. | 11 |
2 |
| Freshlet, LLC | 2 |
2 |
| Alonim Filter Marketing Ltd. | 10 |
2 |
| Wowbreeze, LLC | 2 |
2 |
| The Procter & Gamble Company | 21887 |
1 |
| Samsung Electronics Co., Ltd. | 159473 |
1 |
| Sharp Corporation | 10894 |
1 |
| Other owners | 28 |