- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F24F - Air-conditioningair-humidificationventilationuse of air currents for screening
- F24F 1/20 - Electric components for separate outdoor units
Patent holdings for IPC class F24F 1/20
Total number of patents in this class: 131
10-year publication summary
|
18
|
6
|
17
|
12
|
13
|
6
|
9
|
12
|
3
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 47380 |
49 |
| Daikin Industries, Ltd. | 10223 |
11 |
| Toshiba Carrier Corporation | 482 |
8 |
| LG Electronics Inc. | 74447 |
7 |
| Hitachi-johnson Controls Air Conditioning, Inc. | 518 |
7 |
| Samsung Electronics Co., Ltd. | 151726 |
6 |
| Lennox Industries Inc. | 1090 |
6 |
| Midea Group Co., Ltd. | 4746 |
4 |
| GD Midea Air-Conditioning Equipment Co., Ltd. | 1969 |
3 |
| Joi Holding LLC | 81 |
3 |
| Fujitsu General Limited | 631 |
2 |
| Mitsubishi Heavy Industries Thermal Systems, Ltd. | 945 |
2 |
| Hisense (Guangdong) Air Conditioning Co., Ltd. | 128 |
2 |
| Johnson Controls Light Commercial IP GmbH | 370 |
2 |
| Panasonic Intellectual Property Management Co., Ltd. | 33033 |
1 |
| Carrier Corporation | 3976 |
1 |
| Johnson Controls Technology Company | 1403 |
1 |
| BDR Thermea Group B.V. | 174 |
1 |
| Belimo Holding AG | 273 |
1 |
| Guangdong Midea Refrigeration Appliances Co., Ltd. | 115 |
1 |
| Other owners | 13 |