- 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: 1613
10-year publication summary
76
|
64
|
110
|
123
|
176
|
144
|
139
|
171
|
147
|
37
|
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 |
151 |
Haier Smart Home Co., Ltd. | 4882 |
133 |
Qingdao Haier Air-Conditioning Electronic Co., Ltd. | 1721 |
109 |
GREE Electric Appliances, Inc. of Zhuhai | 3007 |
73 |
LG Electronics Inc. | 69257 |
71 |
GD Midea Air-Conditioning Equipment Co., Ltd. | 1475 |
69 |
Daikin Industries, Ltd. | 9495 |
65 |
Samsung Electronics Co., Ltd. | 131630 |
64 |
Mitsubishi Electric Corporation | 43934 |
56 |
Midea Group Co., Ltd. | 4025 |
36 |
Air Distribution Technologies IP, LLC | 160 |
28 |
Illinois Tool Works Inc. | 11152 |
26 |
Sharp Kabushiki Kaisha | 18957 |
21 |
Panasonic Corporation | 20786 |
17 |
Gree Electric Appliances (Wuhan) Co., Ltd. | 316 |
17 |
Belimo Holding AG | 235 |
13 |
Qingdao Haier Smart Technology R&D Co., Ltd. | 248 |
13 |
Ningbo Aux Electric Co., Ltd. | 150 |
13 |
Ademco Inc. | 1374 |
13 |
Denso Corporation | 23338 |
11 |
Other owners | 614 |