- 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: 444
10-year publication summary
|
40
|
56
|
57
|
32
|
46
|
42
|
21
|
20
|
17
|
13
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Denso Corporation | 25534 |
60 |
| Valeo Systemes Thermiques | 2825 |
39 |
| Mitsubishi Electric Corporation | 48018 |
30 |
| Therma-Stor LLC | 134 |
24 |
| Sanden Corporation | 1030 |
23 |
| LG Electronics Inc. | 75694 |
21 |
| BSH Hausgeräte GmbH | 5624 |
21 |
| Daikin Industries, Ltd. | 10499 |
16 |
| Whirlpool Corporation | 4643 |
10 |
| Hanon Systems | 2106 |
8 |
| Carrier Corporation | 3955 |
6 |
| Booz Allen Hamilton Inc. | 331 |
6 |
| Rheem Manufacturing Company | 1019 |
5 |
| Huawei Digital Power Technologies Co. Ltd. | 2550 |
5 |
| Johnson Controls Technology Company | 1384 |
4 |
| BSH Bosch und Siemens Hausgerate GmbH | 2476 |
4 |
| GREE Electric Appliances, Inc. of Zhuhai | 3316 |
4 |
| Tyco Fire & Security GmbH | 3640 |
4 |
| Flow Environmental Systems, Inc. | 10 |
4 |
| Samsung Electronics Co., Ltd. | 157719 |
3 |
| Other owners | 147 |