- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F25B - Refrigeration machines, plants or systemscombined heating and refrigeration systemsheat pump systems
- F25B 5/04 - Compression machines, plants or systems, with several evaporator circuits, e.g. for varying refrigerating capacity arranged in series
Patent holdings for IPC class F25B 5/04
Total number of patents in this class: 429
10-year publication summary
|
36
|
39
|
55
|
55
|
32
|
46
|
37
|
20
|
17
|
15
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Denso Corporation | 24601 |
58 |
| Valeo Systemes Thermiques | 2748 |
38 |
| Mitsubishi Electric Corporation | 46672 |
30 |
| Therma-Stor LLC | 135 |
24 |
| Sanden Corporation | 969 |
22 |
| BSH Hausgeräte GmbH | 5542 |
21 |
| LG Electronics Inc. | 73763 |
17 |
| Daikin Industries, Ltd. | 10118 |
17 |
| Whirlpool Corporation | 4445 |
10 |
| Carrier Corporation | 4296 |
7 |
| Hanon Systems | 1996 |
7 |
| Booz Allen Hamilton Inc. | 287 |
6 |
| Tyco Fire & Security GmbH | 3430 |
6 |
| Rheem Manufacturing Company | 990 |
5 |
| Huawei Digital Power Technologies Co. Ltd. | 2269 |
5 |
| Johnson Controls Technology Company | 1417 |
4 |
| BSH Bosch und Siemens Hausgerate GmbH | 2772 |
4 |
| GREE Electric Appliances, Inc. of Zhuhai | 3256 |
4 |
| Flow Environmental Systems, Inc. | 10 |
4 |
| Samsung Electronics Co., Ltd. | 148173 |
3 |
| Other owners | 137 |