- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F24F - Air-conditioning; air-humidification; ventilation; use 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: 362
10-year publication summary
|
20
|
14
|
38
|
22
|
37
|
21
|
24
|
46
|
38
|
4
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Qingdao Haier Air Conditioner General Corp.,ltd | 2228 |
32 |
| Haier Smart Home Co., Ltd. | 4882 |
32 |
| Qingdao Haier Air-Conditioning Electronic Co., Ltd. | 1721 |
29 |
| GREE Electric Appliances, Inc. of Zhuhai | 3007 |
28 |
| Samsung Electronics Co., Ltd. | 131630 |
27 |
| LG Electronics Inc. | 69257 |
26 |
| GD Midea Air-Conditioning Equipment Co., Ltd. | 1475 |
16 |
| Midea Group Co., Ltd. | 4025 |
16 |
| Ningbo Aux Electric Co., Ltd. | 150 |
7 |
| Denso Corporation | 23338 |
6 |
| Aux Air Conditioning Limited by Share Ltd | 50 |
6 |
| Prado Europe BV | 16 |
6 |
| Lindab AB | 123 |
4 |
| Qingdao Haier Smart Technology R&D Co., Ltd. | 248 |
4 |
| Dell Products L.P. | 11144 |
3 |
| Air Distribution Technologies IP, LLC | 160 |
3 |
| Blender Products, Inc. | 17 |
3 |
| Fläkt Woods AB | 37 |
3 |
| Munters Corporation | 123 |
3 |
| Swegon Operations AB | 24 |
3 |
| Other owners | 105 |