- 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: 250
10-year publication summary
|
1
|
1
|
1
|
0
|
4
|
42
|
86
|
47
|
36
|
22
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Panasonic Intellectual Property Management Co., Ltd. | 31330 |
24 |
| Daikin Industries, Ltd. | 9991 |
10 |
| Sharp Kabushiki Kaisha | 18764 |
9 |
| Mitsubishi Electric Corporation | 46037 |
5 |
| Soochow University | 1735 |
5 |
| Qingdao Haier Air Conditioner General Corp.,ltd | 2368 |
4 |
| Haier Smart Home Co., Ltd. | 5452 |
4 |
| Qingdao Haier Air-Conditioning Electronic Co., Ltd. | 1861 |
4 |
| Samsung Electronics Co., Ltd. | 145864 |
3 |
| Denso Corporation | 24259 |
3 |
| Carrier Corporation | 4348 |
3 |
| Cendori Co., Ltd. | 20 |
3 |
| Fancom B.V., | 15 |
3 |
| Nikkiso Co., Ltd. | 776 |
3 |
| Ningbo Aux Electric Co., Ltd. | 180 |
3 |
| FH Alliance Inc. | 19 |
3 |
| Sirius Co. Ltd. | 4 |
3 |
| Aux Air Conditioner Co., Ltd. | 104 |
3 |
| Sony Group Corporation | 13785 |
3 |
| Hitachi, Ltd. | 15476 |
2 |
| Other owners | 150 |