- 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: 446
10-year publication summary
|
40
|
56
|
57
|
32
|
46
|
42
|
21
|
21
|
17
|
14
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Denso Corporation | 25820 |
60 |
| Valeo Systemes Thermiques | 2818 |
39 |
| Mitsubishi Electric Corporation | 48460 |
30 |
| Therma-Stor LLC | 130 |
24 |
| Sanden Corporation | 1057 |
23 |
| LG Electronics Inc. | 76299 |
21 |
| BSH Hausgeräte GmbH | 5674 |
21 |
| Daikin Industries, Ltd. | 10540 |
16 |
| Whirlpool Corporation | 4714 |
10 |
| Hanon Systems | 2141 |
8 |
| Carrier Corporation | 3960 |
6 |
| Booz Allen Hamilton Inc. | 341 |
6 |
| Rheem Manufacturing Company | 1036 |
5 |
| Tyco Fire & Security GmbH | 3687 |
5 |
| Huawei Digital Power Technologies Co. Ltd. | 2562 |
5 |
| Johnson Controls Technology Company | 1372 |
4 |
| BSH Bosch und Siemens Hausgerate GmbH | 2386 |
4 |
| GREE Electric Appliances, Inc. of Zhuhai | 3327 |
4 |
| Flow Environmental Systems, Inc. | 10 |
4 |
| Samsung Electronics Co., Ltd. | 159473 |
3 |
| Other owners | 148 |