- 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: 1289
10-year publication summary
|
72
|
94
|
121
|
117
|
124
|
87
|
126
|
77
|
99
|
59
|
| 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 | 2429 |
85 |
| Haier Smart Home Co., Ltd. | 5717 |
69 |
| Samsung Electronics Co., Ltd. | 158156 |
60 |
| Qingdao Haier Air-Conditioning Electronic Co., Ltd. | 1922 |
59 |
| GD Midea Air-Conditioning Equipment Co., Ltd. | 2094 |
55 |
| FUJIFILM Corporation | 30543 |
51 |
| Mitsubishi Electric Corporation | 48097 |
49 |
| Midea Group Co., Ltd. | 5040 |
43 |
| GREE Electric Appliances, Inc. of Zhuhai | 3318 |
38 |
| LG Electronics Inc. | 75845 |
31 |
| Trane International Inc. | 1230 |
20 |
| Daikin Industries, Ltd. | 10511 |
18 |
| GD Midea Heating & Ventilating Equipment Co., Ltd. | 766 |
18 |
| Denso Corporation | 25607 |
12 |
| Hefei Midea Heating & Ventilating Equipment Co., Ltd. | 341 |
11 |
| Panasonic Intellectual Property Management Co., Ltd. | 34080 |
9 |
| Zehnder Group International AG | 396 |
9 |
| Ningbo Aux Electric Co., Ltd. | 187 |
9 |
| Qingdao Hisense Hitachi Air-Conditioning Systems Co., Ltd. | 267 |
8 |
| Zhejiang DunAn Artificial Environment Co., Ltd | 710 |
8 |
| Other owners | 627 |