- 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: 1808
10-year publication summary
|
108
|
121
|
172
|
144
|
143
|
170
|
152
|
106
|
77
|
9
|
| 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 | 2401 |
164 |
| Haier Smart Home Co., Ltd. | 5581 |
146 |
| Qingdao Haier Air-Conditioning Electronic Co., Ltd. | 1894 |
122 |
| LG Electronics Inc. | 74175 |
92 |
| GD Midea Air-Conditioning Equipment Co., Ltd. | 1942 |
81 |
| Samsung Electronics Co., Ltd. | 150751 |
80 |
| GREE Electric Appliances, Inc. of Zhuhai | 3267 |
75 |
| Daikin Industries, Ltd. | 10210 |
64 |
| Mitsubishi Electric Corporation | 47267 |
56 |
| Midea Group Co., Ltd. | 4715 |
42 |
| Air Distribution Technologies IP, LLC | 250 |
31 |
| Illinois Tool Works Inc. | 11645 |
25 |
| Sharp Kabushiki Kaisha | 18618 |
21 |
| Ningbo Aux Electric Co., Ltd. | 182 |
20 |
| Qingdao Haier Smart Technology R&D Co., Ltd. | 409 |
18 |
| Aux Air Conditioner Co., Ltd. | 104 |
18 |
| Panasonic Corporation | 19901 |
17 |
| Gree Electric Appliances (Wuhan) Co., Ltd. | 318 |
17 |
| Resideo LLC | 1317 |
17 |
| Belimo Holding AG | 273 |
14 |
| Other owners | 688 |