- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F24F - Air-conditioningair-humidificationventilationuse 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: 1895
10-year publication summary
|
110
|
123
|
176
|
145
|
145
|
175
|
155
|
106
|
78
|
69
|
| 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 | 2429 |
171 |
| Haier Smart Home Co., Ltd. | 5716 |
153 |
| Qingdao Haier Air-Conditioning Electronic Co., Ltd. | 1922 |
129 |
| LG Electronics Inc. | 75818 |
98 |
| Samsung Electronics Co., Ltd. | 157946 |
83 |
| GD Midea Air-Conditioning Equipment Co., Ltd. | 2091 |
82 |
| GREE Electric Appliances, Inc. of Zhuhai | 3317 |
77 |
| Daikin Industries, Ltd. | 10504 |
63 |
| Mitsubishi Electric Corporation | 48048 |
56 |
| Midea Group Co., Ltd. | 5034 |
42 |
| Air Distribution Technologies IP, LLC | 253 |
38 |
| Illinois Tool Works Inc. | 11866 |
25 |
| Qingdao Haier Smart Technology R&D Co., Ltd. | 416 |
25 |
| Sharp Kabushiki Kaisha | 18523 |
21 |
| Ningbo Aux Electric Co., Ltd. | 187 |
20 |
| Aux Air Conditioner Co., Ltd. | 104 |
18 |
| Gree Electric Appliances (Wuhan) Co., Ltd. | 318 |
17 |
| Resideo LLC | 1184 |
17 |
| Panasonic Corporation | 18962 |
16 |
| Tyco Fire & Security GmbH | 3652 |
15 |
| Other owners | 729 |