- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F24F - Air-conditioningair-humidificationventilationuse of air currents for screening
- F24F 11/43 - DefrostingPreventing freezing of indoor units
Patent holdings for IPC class F24F 11/43
Total number of patents in this class: 163
10-year publication summary
|
0
|
1
|
16
|
34
|
12
|
13
|
11
|
12
|
12
|
2
|
| 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 | 2428 |
33 |
| Haier Smart Home Co., Ltd. | 5712 |
29 |
| Qingdao Haier Air-Conditioning Electronic Co., Ltd. | 1921 |
14 |
| GD Midea Air-Conditioning Equipment Co., Ltd. | 2089 |
10 |
| Hitachi-johnson Controls Air Conditioning, Inc. | 521 |
10 |
| Samsung Electronics Co., Ltd. | 157719 |
8 |
| Daikin Industries, Ltd. | 10499 |
7 |
| Lennox Industries Inc. | 1105 |
6 |
| Mitsubishi Electric Corporation | 48018 |
5 |
| Midea Group Co., Ltd. | 5028 |
5 |
| Johnson Controls Light Commercial IP GmbH | 372 |
5 |
| K&N Engineering, Inc. | 461 |
4 |
| Carrier Corporation | 3955 |
3 |
| GREE Electric Appliances, Inc. of Zhuhai | 3316 |
3 |
| LG Electronics Inc. | 75694 |
2 |
| Hitachi, Ltd. | 16094 |
1 |
| Panasonic Intellectual Property Management Co., Ltd. | 33997 |
1 |
| Siemens Industry, Inc. | 1584 |
1 |
| Beijing Xiaomi Mobile Software Co., Ltd. | 14974 |
1 |
| GD Midea Heating & Ventilating Equipment Co., Ltd. | 765 |
1 |
| Other owners | 14 |