- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F25B - Refrigeration machines, plants or systems; combined heating and refrigeration systems; heat 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: 407
10-year publication summary
|
37
|
38
|
40
|
56
|
57
|
32
|
46
|
39
|
19
|
6
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Denso Corporation | 23338 |
62 |
| Valeo Systemes Thermiques | 2471 |
37 |
| Mitsubishi Electric Corporation | 43934 |
30 |
| Sanden Corporation | 859 |
22 |
| BSH Hausgeräte GmbH | 5384 |
20 |
| Daikin Industries, Ltd. | 9495 |
19 |
| Therma-Stor LLC | 134 |
18 |
| LG Electronics Inc. | 69257 |
13 |
| Whirlpool Corporation | 4238 |
9 |
| Carrier Corporation | 4759 |
7 |
| Booz Allen Hamilton Inc. | 229 |
6 |
| Hanon Systems | 1632 |
6 |
| Rheem Manufacturing Company | 861 |
5 |
| Johnson Controls Tyco IP Holdings LLP | 1584 |
5 |
| Johnson Controls Technology Company | 1522 |
4 |
| Arcelik A.S. | 3617 |
4 |
| BSH Bosch und Siemens Hausgerate GmbH | 3236 |
4 |
| GREE Electric Appliances, Inc. of Zhuhai | 3007 |
4 |
| Panasonic Corporation | 20786 |
3 |
| Hitachi, Ltd. | 16452 |
3 |
| Other owners | 126 |