- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F25B - Refrigeration machines, plants or systemscombined heating and refrigeration systemsheat pump systems
- F25B 41/39 - Dispositions with two or more expansion means arranged in series, i.e. multi-stage expansion, on a refrigerant line leading to the same evaporator
Patent holdings for IPC class F25B 41/39
Total number of patents in this class: 119
10-year publication summary
|
0
|
1
|
7
|
8
|
19
|
29
|
21
|
20
|
10
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 44904 |
8 |
| Carrier Corporation | 4451 |
7 |
| Lennox Industries Inc. | 1101 |
7 |
| Daikin Industries, Ltd. | 9851 |
6 |
| Therma-Stor LLC | 135 |
6 |
| Danfoss A/S | 1323 |
6 |
| BSH Hausgeräte GmbH | 5461 |
5 |
| Heatcraft Refrigeration Products LLC | 254 |
4 |
| Tyco Fire & Security GmbH | 3303 |
4 |
| Valeo Systemes Thermiques | 2603 |
4 |
| Johnson Controls Tyco IP Holdings LLP | 714 |
4 |
| Evapco, Inc. | 280 |
3 |
| Hanon Systems | 1827 |
3 |
| Hill Phoenix, Inc. | 258 |
3 |
| Viessmann Climate Solutions SE | 320 |
3 |
| Ford Global Technologies, LLC | 20091 |
2 |
| Mitsubishi Heavy Industries Thermal Systems, Ltd. | 841 |
2 |
| Advansor A/S | 12 |
2 |
| Guangdong Meizhi Precision-manufacturing Co., Ltd. | 29 |
2 |
| Prince Mohammad Bin Fahd University | 113 |
2 |
| Other owners | 36 |