- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F24F - Air-conditioningair-humidificationventilationuse of air currents for screening
- F24F 13/24 - Means for preventing or suppressing noise
Patent holdings for IPC class F24F 13/24
Total number of patents in this class: 1230
10-year publication summary
|
69
|
89
|
120
|
111
|
123
|
85
|
124
|
72
|
95
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Qingdao Haier Air Conditioner General Corp.,ltd | 2397 |
85 |
| Haier Smart Home Co., Ltd. | 5561 |
69 |
| Qingdao Haier Air-Conditioning Electronic Co., Ltd. | 1890 |
59 |
| GD Midea Air-Conditioning Equipment Co., Ltd. | 1922 |
54 |
| Samsung Electronics Co., Ltd. | 149838 |
52 |
| Mitsubishi Electric Corporation | 47131 |
49 |
| FUJIFILM Corporation | 29911 |
46 |
| Midea Group Co., Ltd. | 4694 |
42 |
| GREE Electric Appliances, Inc. of Zhuhai | 3263 |
37 |
| LG Electronics Inc. | 73967 |
27 |
| Trane International Inc. | 1206 |
19 |
| GD Midea Heating & Ventilating Equipment Co., Ltd. | 699 |
18 |
| Daikin Industries, Ltd. | 10168 |
17 |
| Denso Corporation | 24863 |
12 |
| Hefei Midea Heating & Ventilating Equipment Co., Ltd. | 298 |
11 |
| Johnson Controls Tyco IP Holdings LLP | 422 |
10 |
| Panasonic Intellectual Property Management Co., Ltd. | 32675 |
9 |
| Zehnder Group International AG | 398 |
9 |
| Ningbo Aux Electric Co., Ltd. | 179 |
9 |
| Qingdao Hisense Hitachi Air-Conditioning Systems Co., Ltd. | 230 |
8 |
| Other owners | 588 |