- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F24F - Air-conditioning; air-humidification; ventilation; use of air currents for screening
- F24F 8/108 - Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering using dry filter elements
Patent holdings for IPC class F24F 8/108
Total number of patents in this class: 455
10-year publication summary
|
0
|
1
|
4
|
4
|
10
|
22
|
59
|
133
|
165
|
64
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Electronics Inc. | 69257 |
34 |
| Samsung Electronics Co., Ltd. | 131630 |
23 |
| Microjet Technology Co., Ltd. | 344 |
12 |
| Qingdao Haier Air Conditioner General Corp.,ltd | 2228 |
12 |
| Haier Smart Home Co., Ltd. | 4882 |
12 |
| Qingdao Haier Air-Conditioning Electronic Co., Ltd. | 1721 |
12 |
| Coway Co., Ltd. | 649 |
11 |
| 3m Innovative Properties Company | 18406 |
10 |
| Daikin Industries, Ltd. | 9495 |
9 |
| GD Midea Air-Conditioning Equipment Co., Ltd. | 1475 |
7 |
| Mitsubishi Electric Corporation | 43934 |
6 |
| Carrier Corporation | 4759 |
6 |
| Blueair AB | 102 |
6 |
| Midea Group Co., Ltd. | 4025 |
6 |
| Zehnder Group International AG | 391 |
5 |
| Dyson Technology Limited | 3124 |
4 |
| K&N Engineering, Inc. | 405 |
4 |
| BISSELL Inc. | 1064 |
3 |
| Chung-Ang University Industry-Academy Cooperation Foundation | 358 |
3 |
| Fellowes, Inc. | 348 |
3 |
| Other owners | 267 |