- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F24F - Air-conditioning; air-humidification; ventilation; use of air currents for screening
- F24F 1/0022 - Centrifugal or radial fans
Patent holdings for IPC class F24F 1/0022
Total number of patents in this class: 164
10-year publication summary
1
|
9
|
12
|
15
|
14
|
25
|
21
|
24
|
34
|
6
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Mitsubishi Electric Corporation | 43934 |
33 |
Samsung Electronics Co., Ltd. | 131630 |
28 |
Qingdao Haier Air Conditioner General Corp.,ltd | 2228 |
12 |
Haier Smart Home Co., Ltd. | 4882 |
12 |
LG Electronics Inc. | 69257 |
9 |
Daikin Industries, Ltd. | 9495 |
6 |
Fujitsu General Limited | 541 |
6 |
GREE Electric Appliances, Inc. of Zhuhai | 3007 |
6 |
Qingdao Haier Air-Conditioning Electronic Co., Ltd. | 1721 |
5 |
Panasonic Intellectual Property Management Co., Ltd. | 27812 |
4 |
Lennox Industries Inc. | 1088 |
3 |
Toshiba Carrier Corporation | 567 |
3 |
Trane International Inc. | 1123 |
3 |
Goodman Global Group, Inc | 33 |
3 |
Hitachi-johnson Controls Air Conditioning, Inc. | 499 |
3 |
Envola GmbH | 30 |
3 |
Trane Air Conditioning Systems (China) Co., Ltd. | 39 |
2 |
Swegon Operations AB | 24 |
2 |
Mitsubishi Heavy Industries Thermal Systems, Ltd. | 786 |
2 |
Denso Corporation | 23338 |
1 |
Other owners | 18 |