- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F24F - Air-conditioning; air-humidification; ventilation; use of air currents for screening
- F24F 13/20 - Casings or covers
Patent holdings for IPC class F24F 13/20
Total number of patents in this class: 3373
10-year publication summary
121
|
160
|
305
|
294
|
382
|
374
|
403
|
365
|
330
|
103
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Mitsubishi Electric Corporation | 43934 |
396 |
Daikin Industries, Ltd. | 9495 |
286 |
LG Electronics Inc. | 69257 |
280 |
Samsung Electronics Co., Ltd. | 131630 |
212 |
GD Midea Air-Conditioning Equipment Co., Ltd. | 1475 |
190 |
Midea Group Co., Ltd. | 4025 |
179 |
Qingdao Haier Air Conditioner General Corp.,ltd | 2228 |
117 |
GREE Electric Appliances, Inc. of Zhuhai | 3007 |
110 |
Haier Smart Home Co., Ltd. | 4882 |
85 |
Qingdao Haier Air-Conditioning Electronic Co., Ltd. | 1721 |
69 |
Sharp Kabushiki Kaisha | 18957 |
63 |
Johnson Controls Tyco IP Holdings LLP | 1584 |
50 |
Carrier Corporation | 4759 |
43 |
Fujitsu General Limited | 541 |
37 |
Panasonic Intellectual Property Management Co., Ltd. | 27812 |
36 |
Ningbo Aux Electric Co., Ltd. | 150 |
36 |
Toshiba Carrier Corporation | 567 |
32 |
Coway Co., Ltd. | 649 |
29 |
Panasonic Corporation | 20786 |
27 |
Aux Air Conditioner Co., Ltd. | 88 |
26 |
Other owners | 1070 |