- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F24F - Air-conditioning; air-humidification; ventilation; use 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: 1124
10-year publication summary
|
48
|
72
|
94
|
121
|
116
|
123
|
84
|
123
|
70
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Qingdao Haier Air Conditioner General Corp.,ltd | 2332 |
84 |
| Haier Smart Home Co., Ltd. | 5289 |
68 |
| Qingdao Haier Air-Conditioning Electronic Co., Ltd. | 1827 |
58 |
| Samsung Electronics Co., Ltd. | 138320 |
51 |
| GD Midea Air-Conditioning Equipment Co., Ltd. | 1653 |
50 |
| Mitsubishi Electric Corporation | 44678 |
46 |
| FUJIFILM Corporation | 28467 |
44 |
| Midea Group Co., Ltd. | 4277 |
41 |
| GREE Electric Appliances, Inc. of Zhuhai | 3146 |
35 |
| LG Electronics Inc. | 70831 |
25 |
| Trane International Inc. | 1147 |
17 |
| Denso Corporation | 23692 |
12 |
| Johnson Controls Tyco IP Holdings LLP | 716 |
11 |
| Panasonic Intellectual Property Management Co., Ltd. | 29567 |
9 |
| Daikin Industries, Ltd. | 9766 |
9 |
| GD Midea Heating & Ventilating Equipment Co., Ltd. | 543 |
9 |
| Zehnder Group International AG | 396 |
9 |
| Ningbo Aux Electric Co., Ltd. | 163 |
8 |
| 3m Innovative Properties Company | 17968 |
7 |
| Carrier Corporation | 4443 |
7 |
| Other owners | 524 |