- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F24F - Air-conditioningair-humidificationventilationuse 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: 3846
10-year publication summary
|
153
|
301
|
287
|
374
|
372
|
396
|
362
|
338
|
328
|
247
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 46449 |
431 |
| LG Electronics Inc. | 73578 |
353 |
| Daikin Industries, Ltd. | 10071 |
289 |
| Samsung Electronics Co., Ltd. | 147622 |
273 |
| GD Midea Air-Conditioning Equipment Co., Ltd. | 1858 |
217 |
| Midea Group Co., Ltd. | 4603 |
192 |
| Qingdao Haier Air Conditioner General Corp.,ltd | 2377 |
122 |
| GREE Electric Appliances, Inc. of Zhuhai | 3251 |
116 |
| Haier Smart Home Co., Ltd. | 5488 |
89 |
| Qingdao Haier Air-Conditioning Electronic Co., Ltd. | 1869 |
73 |
| Sharp Kabushiki Kaisha | 18716 |
65 |
| Johnson Controls Light Commercial IP GmbH | 370 |
49 |
| Fujitsu General Limited | 612 |
46 |
| Carrier Corporation | 4296 |
42 |
| Ningbo Aux Electric Co., Ltd. | 180 |
41 |
| Panasonic Intellectual Property Management Co., Ltd. | 31882 |
38 |
| Coway Co., Ltd. | 737 |
37 |
| GD Midea Heating & Ventilating Equipment Co., Ltd. | 637 |
33 |
| Toshiba Carrier Corporation | 493 |
32 |
| Aux Air Conditioner Co., Ltd. | 104 |
31 |
| Other owners | 1277 |