- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F24F - Air-conditioningair-humidificationventilationuse of air currents for screening
- F24F 1/00 - Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
Patent holdings for IPC class F24F 1/00
Total number of patents in this class: 2111
10-year publication summary
|
172
|
263
|
292
|
340
|
112
|
41
|
39
|
31
|
19
|
11
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 46197 |
249 |
| Daikin Industries, Ltd. | 10027 |
181 |
| GREE Electric Appliances, Inc. of Zhuhai | 3246 |
178 |
| Qingdao Haier Air Conditioner General Corp.,ltd | 2372 |
153 |
| LG Electronics Inc. | 73344 |
142 |
| GD Midea Air-Conditioning Equipment Co., Ltd. | 1829 |
113 |
| Midea Group Co., Ltd. | 4558 |
110 |
| Samsung Electronics Co., Ltd. | 146811 |
104 |
| Sharp Kabushiki Kaisha | 18757 |
55 |
| Hitachi-johnson Controls Air Conditioning, Inc. | 513 |
39 |
| Gree Electric Appliances (Wuhan) Co., Ltd. | 318 |
29 |
| Guangdong Midea Refrigeration Appliances Co., Ltd. | 115 |
26 |
| Haier Smart Home Co., Ltd. | 5472 |
26 |
| Qingdao Haier Air-Conditioning Electronic Co., Ltd. | 1865 |
25 |
| Panasonic Corporation | 20088 |
24 |
| Fujitsu General Limited | 600 |
22 |
| Carrier Corporation | 4296 |
20 |
| Toshiba Carrier Corporation | 498 |
18 |
| GD Midea Heating & Ventilating Equipment Co., Ltd. | 630 |
17 |
| Trane International Inc. | 1186 |
15 |
| Other owners | 565 |