- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F24F - Air-conditioningair-humidificationventilationuse of air currents for screening
- F24F 13/00 - Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
Patent holdings for IPC class F24F 13/00
Total number of patents in this class: 632
10-year publication summary
|
31
|
43
|
62
|
56
|
56
|
39
|
40
|
48
|
44
|
22
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| GREE Electric Appliances, Inc. of Zhuhai | 3317 |
51 |
| GD Midea Air-Conditioning Equipment Co., Ltd. | 2091 |
50 |
| Midea Group Co., Ltd. | 5034 |
43 |
| Qingdao Haier Air Conditioner General Corp.,ltd | 2429 |
35 |
| Haier Smart Home Co., Ltd. | 5716 |
27 |
| Qingdao Haier Air-Conditioning Electronic Co., Ltd. | 1922 |
25 |
| GD Midea Heating & Ventilating Equipment Co., Ltd. | 765 |
23 |
| Hefei Midea Heating & Ventilating Equipment Co., Ltd. | 340 |
15 |
| Ningbo Aux Electric Co., Ltd. | 187 |
13 |
| Lennox Industries Inc. | 1107 |
12 |
| Zhejiang DunAn Artificial Environment Co., Ltd | 709 |
12 |
| Gree Electric Appliances (Wuhan) Co., Ltd. | 318 |
12 |
| Samsung Electronics Co., Ltd. | 157946 |
11 |
| LG Electronics Inc. | 75818 |
11 |
| Aux Air Conditioner Co., Ltd. | 104 |
8 |
| Canon Inc. | 43869 |
6 |
| Broan-NuTone LLC | 466 |
6 |
| GD Midea Environment Appliances MFG Co., Ltd. | 235 |
6 |
| Wuhu Maty Air-Conditioning Equipment Co., Ltd. | 81 |
6 |
| Oy Halton Group Ltd. | 124 |
5 |
| Other owners | 255 |