- 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: 143
10-year publication summary
|
1
|
7
|
8
|
19
|
29
|
23
|
25
|
10
|
12
|
11
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 48172 |
10 |
| Therma-Stor LLC | 133 |
8 |
| Carrier Corporation | 3947 |
7 |
| Lennox Industries Inc. | 1112 |
7 |
| Daikin Industries, Ltd. | 10502 |
6 |
| BSH Hausgeräte GmbH | 5645 |
6 |
| Danfoss A/S | 1445 |
6 |
| Hanon Systems | 2125 |
5 |
| Tyco Fire & Security GmbH | 3672 |
5 |
| Valeo Systemes Thermiques | 2821 |
5 |
| Heatcraft Refrigeration Products LLC | 281 |
4 |
| Mitsubishi Heavy Industries Thermal Systems, Ltd. | 976 |
4 |
| Evapco, Inc. | 311 |
3 |
| Hill Phoenix, Inc. | 306 |
3 |
| Viessmann Climate Solutions SE | 133 |
3 |
| Johnson Controls Tyco IP Holdings LLP | 368 |
3 |
| Copeland LP | 706 |
3 |
| Ford Global Technologies, LLC | 21560 |
2 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 4122 |
2 |
| Advansor A/S | 12 |
2 |
| Other owners | 49 |