- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F24F - Air-conditioning; air-humidification; ventilation; use of air currents for screening
- F24F 1/0025 - Cross-flow or tangential fans
Patent holdings for IPC class F24F 1/0025
Total number of patents in this class: 171
10-year publication summary
2
|
4
|
5
|
14
|
9
|
23
|
18
|
22
|
20
|
6
|
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 |
27 |
Haier Smart Home Co., Ltd. | 4882 |
23 |
Mitsubishi Electric Corporation | 43934 |
18 |
Qingdao Haier Air-Conditioning Electronic Co., Ltd. | 1721 |
16 |
Daikin Industries, Ltd. | 9495 |
14 |
LG Electronics Inc. | 69257 |
13 |
GD Midea Air-Conditioning Equipment Co., Ltd. | 1475 |
10 |
Samsung Electronics Co., Ltd. | 131630 |
7 |
Midea Group Co., Ltd. | 4025 |
7 |
Panasonic Intellectual Property Management Co., Ltd. | 27812 |
4 |
GREE Electric Appliances, Inc. of Zhuhai | 3007 |
4 |
Chongqing Midea Air-Conditioning Equipment Co., Ltd. | 18 |
4 |
Fujitsu General Limited | 541 |
3 |
GD Midea Heating & Ventilating Equipment Co., Ltd. | 428 |
3 |
Hefei Midea Heating & Ventilating Equipment Co., Ltd. | 143 |
3 |
Vornado Air, LLC | 237 |
2 |
Fujita Corporation | 40 |
1 |
Iris Ohyama, Inc. | 261 |
1 |
Lotte Chemical Corporation | 591 |
1 |
Revcor, Inc. | 23 |
1 |
Other owners | 9 |