- 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: 1205
10-year publication summary
|
48
|
69
|
89
|
120
|
111
|
123
|
85
|
125
|
71
|
73
|
| 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 | 2377 |
85 |
| Haier Smart Home Co., Ltd. | 5488 |
69 |
| Qingdao Haier Air-Conditioning Electronic Co., Ltd. | 1869 |
59 |
| GD Midea Air-Conditioning Equipment Co., Ltd. | 1858 |
55 |
| Samsung Electronics Co., Ltd. | 147622 |
52 |
| Mitsubishi Electric Corporation | 46449 |
48 |
| FUJIFILM Corporation | 29586 |
46 |
| Midea Group Co., Ltd. | 4603 |
43 |
| GREE Electric Appliances, Inc. of Zhuhai | 3251 |
36 |
| LG Electronics Inc. | 73578 |
25 |
| Trane International Inc. | 1192 |
18 |
| Daikin Industries, Ltd. | 10071 |
17 |
| GD Midea Heating & Ventilating Equipment Co., Ltd. | 637 |
15 |
| Denso Corporation | 24480 |
12 |
| Johnson Controls Tyco IP Holdings LLP | 427 |
10 |
| Panasonic Intellectual Property Management Co., Ltd. | 31882 |
9 |
| Zehnder Group International AG | 390 |
9 |
| Ningbo Aux Electric Co., Ltd. | 180 |
9 |
| Qingdao Hisense Hitachi Air-Conditioning Systems Co., Ltd. | 214 |
8 |
| Rheem Manufacturing Company | 988 |
8 |
| Other owners | 572 |