- 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: 146
10-year publication summary
|
10
|
12
|
18
|
15
|
10
|
9
|
9
|
12
|
19
|
2
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 47267 |
22 |
| LG Electronics Inc. | 74175 |
20 |
| Samsung Electronics Co., Ltd. | 150751 |
18 |
| Daikin Industries, Ltd. | 10210 |
13 |
| GD Midea Heating & Ventilating Equipment Co., Ltd. | 703 |
9 |
| Hefei Midea Heating & Ventilating Equipment Co., Ltd. | 300 |
6 |
| Fujitsu General Limited | 627 |
4 |
| Lennox Industries Inc. | 1105 |
4 |
| Midea Group Co., Ltd. | 4715 |
4 |
| PTubes, Inc. | 15 |
4 |
| Toshiba Carrier Corporation | 485 |
3 |
| Hitachi-johnson Controls Air Conditioning, Inc. | 518 |
3 |
| Panasonic Intellectual Property Management Co., Ltd. | 32838 |
2 |
| The Yokohama Rubber Co., Ltd. | 4100 |
2 |
| Emerson Climate Technologies, Inc. | 297 |
2 |
| GREE Electric Appliances, Inc. of Zhuhai | 3267 |
2 |
| Rheem Manufacturing Company | 981 |
2 |
| ACT Co., Ltd. | 16 |
1 |
| Alliance for Sustainable Energy, LLC | 832 |
1 |
| GD Midea Air-Conditioning Equipment Co., Ltd. | 1942 |
1 |
| Other owners | 23 |