- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F24F - Air-conditioning; air-humidification; ventilation; use of air currents for screening
- F24F 13/14 - Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built-up of tilting members, e.g. louvre
Patent holdings for IPC class F24F 13/14
Total number of patents in this class: 1707
10-year publication summary
|
64
|
110
|
123
|
176
|
144
|
141
|
173
|
147
|
105
|
3
|
| 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 | 2332 |
160 |
| Haier Smart Home Co., Ltd. | 5289 |
142 |
| Qingdao Haier Air-Conditioning Electronic Co., Ltd. | 1827 |
118 |
| LG Electronics Inc. | 70831 |
77 |
| GREE Electric Appliances, Inc. of Zhuhai | 3146 |
73 |
| Samsung Electronics Co., Ltd. | 138320 |
72 |
| GD Midea Air-Conditioning Equipment Co., Ltd. | 1653 |
72 |
| Daikin Industries, Ltd. | 9766 |
65 |
| Mitsubishi Electric Corporation | 44678 |
56 |
| Midea Group Co., Ltd. | 4277 |
38 |
| Air Distribution Technologies IP, LLC | 153 |
27 |
| Illinois Tool Works Inc. | 11379 |
25 |
| Tyco Fire & Security GmbH | 3281 |
22 |
| Sharp Kabushiki Kaisha | 18873 |
22 |
| Ningbo Aux Electric Co., Ltd. | 163 |
20 |
| Aux Air Conditioner Co., Ltd. | 96 |
18 |
| Panasonic Corporation | 20339 |
17 |
| Gree Electric Appliances (Wuhan) Co., Ltd. | 318 |
17 |
| Qingdao Haier Smart Technology R&D Co., Ltd. | 312 |
15 |
| Belimo Holding AG | 256 |
14 |
| Other owners | 637 |