- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F24F - Air-conditioningair-humidificationventilationuse of air currents for screening
- F24F 13/08 - Air-flow control members, e.g. louvres, grilles, flaps or guide plates
Patent holdings for IPC class F24F 13/08
Total number of patents in this class: 1671
10-year publication summary
|
88
|
140
|
136
|
172
|
157
|
143
|
160
|
143
|
106
|
97
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Electronics Co., Ltd. | 146811 |
119 |
| LG Electronics Inc. | 73344 |
108 |
| Qingdao Haier Air Conditioner General Corp.,ltd | 2372 |
106 |
| GREE Electric Appliances, Inc. of Zhuhai | 3246 |
65 |
| Haier Smart Home Co., Ltd. | 5472 |
63 |
| Qingdao Haier Air-Conditioning Electronic Co., Ltd. | 1865 |
51 |
| GD Midea Air-Conditioning Equipment Co., Ltd. | 1829 |
47 |
| Midea Group Co., Ltd. | 4558 |
43 |
| Mitsubishi Electric Corporation | 46197 |
42 |
| Daikin Industries, Ltd. | 10027 |
23 |
| Broan-NuTone LLC | 462 |
23 |
| Panasonic Intellectual Property Management Co., Ltd. | 31562 |
21 |
| GD Midea Heating & Ventilating Equipment Co., Ltd. | 630 |
19 |
| Hefei Midea Heating & Ventilating Equipment Co., Ltd. | 245 |
19 |
| Air Distribution Technologies IP, LLC | 173 |
18 |
| Sterling Custom Sheet Metal, Inc | 17 |
14 |
| Denso Corporation | 24355 |
11 |
| Ningbo Aux Electric Co., Ltd. | 180 |
11 |
| Aux Air Conditioner Co., Ltd. | 104 |
9 |
| Coway Co., Ltd. | 731 |
8 |
| Other owners | 851 |