- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F24F - Air-conditioningair-humidificationventilationuse of air currents for screening
- F24F 1/26 - Refrigerant piping
Patent holdings for IPC class F24F 1/26
Total number of patents in this class: 152
10-year publication summary
|
11
|
12
|
18
|
16
|
14
|
9
|
9
|
12
|
20
|
8
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 48048 |
22 |
| LG Electronics Inc. | 75818 |
20 |
| Samsung Electronics Co., Ltd. | 157946 |
19 |
| Daikin Industries, Ltd. | 10504 |
13 |
| GD Midea Heating & Ventilating Equipment Co., Ltd. | 765 |
10 |
| Hefei Midea Heating & Ventilating Equipment Co., Ltd. | 340 |
7 |
| Fujitsu General Limited | 597 |
4 |
| Lennox Industries Inc. | 1107 |
4 |
| Midea Group Co., Ltd. | 5034 |
4 |
| PTubes, Inc. | 17 |
4 |
| The Yokohama Rubber Co., Ltd. | 4116 |
3 |
| Toshiba Carrier Corporation | 472 |
3 |
| Hitachi-johnson Controls Air Conditioning, Inc. | 521 |
3 |
| Panasonic Intellectual Property Management Co., Ltd. | 34035 |
2 |
| Emerson Climate Technologies, Inc. | 293 |
2 |
| GREE Electric Appliances, Inc. of Zhuhai | 3317 |
2 |
| Rheem Manufacturing Company | 1020 |
2 |
| ACT Co., Ltd. | 17 |
1 |
| GD Midea Air-Conditioning Equipment Co., Ltd. | 2091 |
1 |
| Güntner GmbH & Co. KG | 59 |
1 |
| Other owners | 25 |