- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F24F - Air-conditioningair-humidificationventilationuse of air currents for screening
- F24F 7/08 - Ventilation with ducting systems with forced air circulation, e.g. by fan with separate ducts for supplied and exhausted air
Patent holdings for IPC class F24F 7/08
Total number of patents in this class: 871
10-year publication summary
|
54
|
44
|
66
|
72
|
81
|
94
|
83
|
67
|
58
|
5
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 47380 |
194 |
| Daikin Industries, Ltd. | 10223 |
85 |
| Panasonic Intellectual Property Management Co., Ltd. | 33033 |
67 |
| LG Electronics Inc. | 74447 |
28 |
| Panasonic Corporation | 19867 |
27 |
| Samsung Electronics Co., Ltd. | 151726 |
24 |
| Carrier Corporation | 3976 |
6 |
| Aircuity, Inc. | 15 |
6 |
| GREE Electric Appliances, Inc. of Zhuhai | 3268 |
6 |
| Kyungdong Navien Co., Ltd. | 621 |
6 |
| LG Hausys, Ltd. | 818 |
6 |
| Qingdao Hisense Hitachi Air-Conditioning Systems Co., Ltd. | 239 |
6 |
| Tyco Fire & Security GmbH | 3510 |
6 |
| FH Alliance Inc. | 20 |
6 |
| Air Tech Equipment Ltd. | 11 |
5 |
| Daicel Corporation | 2436 |
5 |
| GD Midea Air-Conditioning Equipment Co., Ltd. | 1969 |
5 |
| Lennox Industries Inc. | 1090 |
5 |
| H. Lüdi + Co. AG, a legal entity | 6 |
5 |
| Denso Corporation | 24997 |
4 |
| Other owners | 369 |