- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F24F - Air-conditioningair-humidificationventilationuse of air currents for screening
- F24F 7/003 - Ventilation in combination with air cleaning
Patent holdings for IPC class F24F 7/003
Total number of patents in this class: 295
10-year publication summary
|
1
|
1
|
0
|
4
|
42
|
86
|
47
|
38
|
40
|
32
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Panasonic Intellectual Property Management Co., Ltd. | 33997 |
25 |
| Daikin Industries, Ltd. | 10499 |
13 |
| Sharp Kabushiki Kaisha | 18523 |
11 |
| LG Electronics Inc. | 75694 |
7 |
| Mitsubishi Electric Corporation | 48018 |
5 |
| Soochow University | 1781 |
5 |
| Cendori Co., Ltd. | 24 |
4 |
| Qingdao Haier Air Conditioner General Corp.,ltd | 2428 |
4 |
| Microjet Technology Co., Ltd. | 14 |
4 |
| Haier Smart Home Co., Ltd. | 5712 |
4 |
| Qingdao Haier Air-Conditioning Electronic Co., Ltd. | 1921 |
4 |
| Samsung Electronics Co., Ltd. | 157719 |
3 |
| Hitachi, Ltd. | 16094 |
3 |
| Denso Corporation | 25534 |
3 |
| Carrier Corporation | 3955 |
3 |
| Fancom B.V., | 15 |
3 |
| Nikkiso Co., Ltd. | 791 |
3 |
| Ningbo Aux Electric Co., Ltd. | 187 |
3 |
| FH Alliance Inc. | 20 |
3 |
| Sirius Co. Ltd. | 4 |
3 |
| Other owners | 182 |