- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F24F - Air-conditioningair-humidificationventilationuse of air currents for screening
- F24F 13/12 - Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built-up of sliding members
Patent holdings for IPC class F24F 13/12
Total number of patents in this class: 380
10-year publication summary
|
14
|
38
|
22
|
37
|
21
|
25
|
48
|
38
|
14
|
7
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Qingdao Haier Air Conditioner General Corp.,ltd | 2355 |
33 |
| Haier Smart Home Co., Ltd. | 5413 |
33 |
| Qingdao Haier Air-Conditioning Electronic Co., Ltd. | 1850 |
30 |
| LG Electronics Inc. | 72208 |
29 |
| Samsung Electronics Co., Ltd. | 143303 |
28 |
| GREE Electric Appliances, Inc. of Zhuhai | 3204 |
28 |
| GD Midea Air-Conditioning Equipment Co., Ltd. | 1767 |
17 |
| Midea Group Co., Ltd. | 4451 |
16 |
| Ningbo Aux Electric Co., Ltd. | 177 |
7 |
| Aux Air Conditioning Limited by Share Ltd | 50 |
6 |
| Prado Europe BV | 17 |
6 |
| Denso Corporation | 24058 |
5 |
| Coway Co., Ltd. | 717 |
5 |
| Air Distribution Technologies IP, LLC | 162 |
4 |
| Lindab AB | 128 |
4 |
| Qingdao Haier Smart Technology R&D Co., Ltd. | 371 |
4 |
| Dell Products L.P. | 13993 |
3 |
| Blender Products, Inc. | 12 |
3 |
| Fläkt Woods AB | 34 |
3 |
| Munters Corporation | 126 |
3 |
| Other owners | 113 |