- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F24F - Air-conditioning; air-humidification; ventilation; use of air currents for screening
- F24F 110/64 - Airborne particle content
Patent holdings for IPC class F24F 110/64
Total number of patents in this class: 274
10-year publication summary
|
5
|
22
|
14
|
37
|
38
|
43
|
33
|
25
|
39
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Electronics Co., Ltd. | 138518 |
26 |
| LG Electronics Inc. | 70898 |
23 |
| Panasonic Intellectual Property Management Co., Ltd. | 29620 |
15 |
| Qingdao Haier Air Conditioner General Corp.,ltd | 2334 |
13 |
| Qingdao Haier Air-Conditioning Electronic Co., Ltd. | 1829 |
13 |
| Haier Smart Home Co., Ltd. | 5294 |
12 |
| Copeland LP | 674 |
9 |
| Mitsubishi Electric Corporation | 44738 |
7 |
| Coway Co., Ltd. | 693 |
6 |
| Denso Corporation | 23721 |
4 |
| Johnson Controls Technology Company | 1481 |
4 |
| Microjet Technology Co., Ltd. | 408 |
4 |
| Tyco Fire & Security GmbH | 3286 |
4 |
| Vbreathe Pty Ltd | 16 |
4 |
| Sharp Kabushiki Kaisha | 18871 |
4 |
| Versuni Holding B.V. | 891 |
4 |
| State Farm Mutual Automobile Insurance Company | 2918 |
3 |
| Koninklijke Philips N.V. | 23945 |
2 |
| Daikin Industries, Ltd. | 9810 |
2 |
| Carrier Corporation | 4444 |
2 |
| Other owners | 113 |