- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F24F - Air-conditioning; air-humidification; ventilation; use of air currents for screening
- F24F 13/00 - AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING - 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: 578
10-year publication summary
|
19
|
31
|
43
|
62
|
56
|
56
|
39
|
37
|
44
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| GREE Electric Appliances, Inc. of Zhuhai | 3146 |
51 |
| GD Midea Air-Conditioning Equipment Co., Ltd. | 1653 |
43 |
| Midea Group Co., Ltd. | 4277 |
41 |
| Qingdao Haier Air Conditioner General Corp.,ltd | 2332 |
34 |
| Haier Smart Home Co., Ltd. | 5289 |
26 |
| Qingdao Haier Air-Conditioning Electronic Co., Ltd. | 1827 |
24 |
| LG Electronics Inc. | 70831 |
18 |
| Ningbo Aux Electric Co., Ltd. | 163 |
13 |
| Gree Electric Appliances (Wuhan) Co., Ltd. | 318 |
12 |
| Lennox Industries Inc. | 1096 |
11 |
| Zhejiang DunAn Artificial Environment Co., Ltd | 488 |
11 |
| Samsung Electronics Co., Ltd. | 138320 |
10 |
| GD Midea Heating & Ventilating Equipment Co., Ltd. | 543 |
10 |
| Aux Air Conditioner Co., Ltd. | 96 |
8 |
| Wuhu Maty Air-Conditioning Equipment Co., Ltd. | 51 |
6 |
| Broan-NuTone LLC | 460 |
5 |
| Oy Halton Group Ltd. | 135 |
5 |
| GD Midea Environment Appliances MFG Co., Ltd. | 196 |
5 |
| Aux Air Conditioning Limited by Share Ltd | 50 |
5 |
| Carrier Corporation | 4443 |
4 |
| Other owners | 236 |