- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F24F - Air-conditioningair-humidificationventilationuse of air currents for screening
- F24F 8/20 - Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by sterilisation
Patent holdings for IPC class F24F 8/20
Total number of patents in this class: 190
10-year publication summary
|
0
|
0
|
1
|
2
|
16
|
60
|
36
|
27
|
12
|
3
|
| 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 | 2423 |
24 |
| Haier Smart Home Co., Ltd. | 5667 |
24 |
| Qingdao Haier Air-Conditioning Electronic Co., Ltd. | 1916 |
23 |
| LG Electronics Inc. | 75160 |
7 |
| GD Midea Air-Conditioning Equipment Co., Ltd. | 2033 |
6 |
| Samsung Electronics Co., Ltd. | 154751 |
5 |
| Microjet Technology Co., Ltd. | 457 |
4 |
| Midea Group Co., Ltd. | 4864 |
4 |
| Mitsubishi Electric Corporation | 47683 |
3 |
| Panasonic Intellectual Property Management Co., Ltd. | 33690 |
3 |
| Toyota Motor Corporation | 34877 |
2 |
| Hyundai Motor Company | 23968 |
2 |
| Daikin Industries, Ltd. | 10400 |
2 |
| Blueair AB | 117 |
2 |
| Research Products Corporation | 198 |
2 |
| Woory Industrial Company Ltd. | 8 |
2 |
| SafeTraces, Inc. | 44 |
2 |
| Triple Win Technology(shenzhen) Co.Ltd. | 320 |
2 |
| Sld Technology, Inc. | 32 |
2 |
| Hyundai Transys Incorporated | 341 |
2 |
| Other owners | 67 |