- 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: 1262
10-year publication summary
|
72
|
94
|
121
|
116
|
124
|
87
|
125
|
76
|
97
|
36
|
| 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 | 2423 |
85 |
| Haier Smart Home Co., Ltd. | 5666 |
68 |
| Qingdao Haier Air-Conditioning Electronic Co., Ltd. | 1916 |
59 |
| Samsung Electronics Co., Ltd. | 154406 |
55 |
| GD Midea Air-Conditioning Equipment Co., Ltd. | 2032 |
55 |
| FUJIFILM Corporation | 30294 |
51 |
| Mitsubishi Electric Corporation | 47655 |
49 |
| Midea Group Co., Ltd. | 4860 |
43 |
| GREE Electric Appliances, Inc. of Zhuhai | 3284 |
38 |
| LG Electronics Inc. | 75112 |
30 |
| Trane International Inc. | 1217 |
20 |
| GD Midea Heating & Ventilating Equipment Co., Ltd. | 745 |
18 |
| Daikin Industries, Ltd. | 10401 |
17 |
| Denso Corporation | 25261 |
12 |
| Hefei Midea Heating & Ventilating Equipment Co., Ltd. | 328 |
11 |
| Johnson Controls Tyco IP Holdings LLP | 378 |
10 |
| Panasonic Intellectual Property Management Co., Ltd. | 33634 |
9 |
| Zehnder Group International AG | 398 |
9 |
| Ningbo Aux Electric Co., Ltd. | 182 |
9 |
| Qingdao Hisense Hitachi Air-Conditioning Systems Co., Ltd. | 254 |
8 |
| Other owners | 606 |