- 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: 4073
10-year publication summary
|
305
|
294
|
382
|
375
|
408
|
370
|
348
|
334
|
342
|
167
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 47971 |
438 |
| LG Electronics Inc. | 75654 |
404 |
| Samsung Electronics Co., Ltd. | 157557 |
313 |
| Daikin Industries, Ltd. | 10478 |
271 |
| GD Midea Air-Conditioning Equipment Co., Ltd. | 2087 |
232 |
| Midea Group Co., Ltd. | 4979 |
194 |
| Qingdao Haier Air Conditioner General Corp.,ltd | 2428 |
122 |
| GREE Electric Appliances, Inc. of Zhuhai | 3316 |
116 |
| Haier Smart Home Co., Ltd. | 5707 |
89 |
| Qingdao Haier Air-Conditioning Electronic Co., Ltd. | 1921 |
73 |
| Sharp Kabushiki Kaisha | 18530 |
64 |
| Johnson Controls Light Commercial IP GmbH | 372 |
49 |
| Fujitsu General Limited | 590 |
47 |
| GD Midea Heating & Ventilating Equipment Co., Ltd. | 765 |
44 |
| Carrier Corporation | 3958 |
43 |
| Panasonic Intellectual Property Management Co., Ltd. | 33911 |
41 |
| Coway Co., Ltd. | 788 |
41 |
| Ningbo Aux Electric Co., Ltd. | 187 |
41 |
| Aux Air Conditioner Co., Ltd. | 104 |
31 |
| Hisense (Guangdong) Air Conditioning Co., Ltd. | 140 |
31 |
| Other owners | 1389 |