- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F24F - Air-conditioningair-humidificationventilationuse of air currents for screening
- F24F 11/67 - Switching between heating and cooling modes
Patent holdings for IPC class F24F 11/67
Total number of patents in this class: 430
10-year publication summary
|
1
|
10
|
18
|
46
|
49
|
48
|
52
|
34
|
25
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Haier Smart Home Co., Ltd. | 5630 |
63 |
| Qingdao Haier Air Conditioner General Corp.,ltd | 2416 |
61 |
| Qingdao Haier Air-Conditioning Electronic Co., Ltd. | 1909 |
57 |
| GD Midea Air-Conditioning Equipment Co., Ltd. | 1996 |
20 |
| Lennox Industries Inc. | 1104 |
18 |
| Mitsubishi Electric Corporation | 47483 |
17 |
| Samsung Electronics Co., Ltd. | 152716 |
16 |
| Midea Group Co., Ltd. | 4797 |
15 |
| Tyco Fire & Security GmbH | 3524 |
10 |
| Daikin Industries, Ltd. | 10261 |
9 |
| Johnson Controls Light Commercial IP GmbH | 370 |
9 |
| Resideo LLC | 1327 |
8 |
| Qingdao Hisense Hitachi Air-Conditioning Systems Co., Ltd. | 243 |
6 |
| LG Electronics Inc. | 74757 |
5 |
| E.ON Sverige Aktiebolag | 84 |
5 |
| GREE Electric Appliances, Inc. of Zhuhai | 3271 |
5 |
| Trane International Inc. | 1208 |
5 |
| GD Midea Heating & Ventilating Equipment Co., Ltd. | 722 |
4 |
| Denso Corporation | 25099 |
3 |
| Panasonic Intellectual Property Management Co., Ltd. | 33248 |
3 |
| Other owners | 91 |