- 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: 224
10-year publication summary
|
0
|
5
|
22
|
14
|
37
|
38
|
38
|
28
|
20
|
7
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Electronics Co., Ltd. | 131630 |
23 |
| LG Electronics Inc. | 69257 |
18 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
15 |
| Qingdao Haier Air Conditioner General Corp.,ltd | 2228 |
13 |
| Qingdao Haier Air-Conditioning Electronic Co., Ltd. | 1721 |
13 |
| Haier Smart Home Co., Ltd. | 4882 |
12 |
| Copeland LP | 656 |
7 |
| Mitsubishi Electric Corporation | 43934 |
6 |
| Denso Corporation | 23338 |
4 |
| Johnson Controls Technology Company | 1522 |
4 |
| Coway Co., Ltd. | 649 |
4 |
| Sharp Kabushiki Kaisha | 18957 |
4 |
| Versuni Holding B.V. | 817 |
4 |
| State Farm Mutual Automobile Insurance Company | 2560 |
3 |
| Vbreathe Pty Ltd | 17 |
3 |
| Koninklijke Philips N.V. | 22975 |
2 |
| Carrier Corporation | 4759 |
2 |
| Blueair AB | 102 |
2 |
| FANUC Corporation | 5803 |
2 |
| Fellowes, Inc. | 348 |
2 |
| Other owners | 81 |