- 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: 465
10-year publication summary
|
26
|
31
|
19
|
31
|
43
|
61
|
55
|
50
|
37
|
6
|
| 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| GREE Electric Appliances, Inc. of Zhuhai | 2763 |
45 |
| Midea Group Co., Ltd. | 3546 |
37 |
| GD Midea Air-Conditioning Equipment Co., Ltd. | 1221 |
31 |
| LG Electronics Inc. | 66952 |
20 |
| Qingdao Haier Air Conditioner General Corp.,ltd | 1577 |
20 |
| Gree Electric Appliances (Wuhan) Co., Ltd. | 319 |
12 |
| Lennox Industries Inc. | 1027 |
11 |
| Haier Smart Home Co., Ltd. | 3337 |
11 |
| Ningbo Aux Electric Co., Ltd. | 146 |
10 |
| Qingdao Haier Air-Conditioning Electronic Co., Ltd. | 1082 |
10 |
| Samsung Electronics Co., Ltd. | 120977 |
7 |
| Zhejiang DunAn Artificial Environment Co., Ltd | 248 |
6 |
| GD Midea Heating & Ventilating Equipment Co., Ltd. | 331 |
5 |
| Oy Halton Group Ltd. | 148 |
5 |
| Aux Air Conditioning Limited by Share Ltd | 50 |
5 |
| Aux Air Conditioner Co., Ltd. | 83 |
5 |
| Panasonic Corporation | 21881 |
4 |
| Carrier Corporation | 4761 |
4 |
| Broan-NuTone LLC | 463 |
4 |
| BYD Company Limited | 3023 |
4 |
| Other owners | 209 |