- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F24F - Air-conditioningair-humidificationventilationuse of air currents for screening
- F24F 1/28 - Refrigerant piping for connecting several separate outdoor units
Patent holdings for IPC class F24F 1/28
Total number of patents in this class: 29
10-year publication summary
|
4
|
1
|
1
|
6
|
1
|
0
|
3
|
2
|
1
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 47655 |
5 |
| Daikin Industries, Ltd. | 10401 |
4 |
| Samsung Electronics Co., Ltd. | 154406 |
3 |
| LG Electronics Inc. | 75112 |
2 |
| Daikin Europe N.v. | 216 |
2 |
| Panasonic Intellectual Property Management Co., Ltd. | 33634 |
1 |
| Carrier Corporation | 3965 |
1 |
| Fellowes, Inc. | 365 |
1 |
| GD Midea Air-Conditioning Equipment Co., Ltd. | 2032 |
1 |
| Hitachi Appliances, Inc. | 125 |
1 |
| Midea Group Co., Ltd. | 4860 |
1 |
| Munters Europe AB | 73 |
1 |
| Toshiba Carrier Corporation | 478 |
1 |
| Hitachi-johnson Controls Air Conditioning, Inc. | 520 |
1 |
| MITSUBISHI ELECTRIC HYDRONICS & IT COOLING SYSTEMS S.p.A. | 36 |
1 |
| Johnson Controls Tyco IP Holdings LLP | 378 |
1 |
| Urban Cooling Limited | 3 |
1 |
| Johnson Controls Light Commercial IP GmbH | 370 |
1 |
| Other owners | 0 |