- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F24F - Air-conditioningair-humidificationventilationuse of air currents for screening
- F24F 8/80 - Self-contained air purifiers
Patent holdings for IPC class F24F 8/80
Total number of patents in this class: 418
10-year publication summary
|
3
|
0
|
1
|
15
|
28
|
75
|
89
|
95
|
58
|
41
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Electronics Inc. | 75818 |
57 |
| Samsung Electronics Co., Ltd. | 157946 |
52 |
| Coway Co., Ltd. | 788 |
21 |
| Panasonic Intellectual Property Management Co., Ltd. | 34035 |
20 |
| Mitsubishi Electric Corporation | 48048 |
16 |
| Daikin Industries, Ltd. | 10504 |
14 |
| Midea Group Co., Ltd. | 5034 |
8 |
| Sharp Kabushiki Kaisha | 18523 |
8 |
| Microjet Technology Co., Ltd. | 461 |
7 |
| Brother Kogyo Kabushikikaisha | 1805 |
7 |
| GD Midea Air-Conditioning Equipment Co., Ltd. | 2091 |
5 |
| Hanon Systems | 2108 |
5 |
| Chung-Ang University Industry-Academy Cooperation Foundation | 489 |
4 |
| Dyson Technology Limited | 4003 |
4 |
| BeiAng Air Tech Ltd. | 9 |
4 |
| Blueair AB | 117 |
3 |
| ETi Solid State Lighting Inc. | 83 |
3 |
| Husqvarna AB | 3034 |
3 |
| Mitsubishi Electric Home Appliance Co., Ltd. | 311 |
3 |
| ETI Solid State Lighting (Zhuhai) Ltd. | 26 |
3 |
| Other owners | 171 |