- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F25B - Refrigeration machines, plants or systemscombined heating and refrigeration systemsheat pump systems
- F25B 6/04 - Compression machines, plants or systems, with several condenser circuits arranged in series
Patent holdings for IPC class F25B 6/04
Total number of patents in this class: 533
10-year publication summary
|
44
|
74
|
62
|
37
|
36
|
50
|
36
|
27
|
16
|
16
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 48508 |
71 |
| Valeo Systemes Thermiques | 2819 |
45 |
| Denso Corporation | 25909 |
40 |
| Sanden Corporation | 1059 |
30 |
| Carrier Corporation | 3958 |
25 |
| Therma-Stor LLC | 133 |
22 |
| LG Electronics Inc. | 76328 |
19 |
| Daikin Industries, Ltd. | 10546 |
17 |
| Hanon Systems | 2147 |
15 |
| Panasonic Intellectual Property Management Co., Ltd. | 34685 |
7 |
| Hill Phoenix, Inc. | 310 |
6 |
| Copeland LP | 717 |
6 |
| Panasonic Corporation | 18572 |
5 |
| Climate Master, Inc. | 33 |
5 |
| Lennox Industries Inc. | 1135 |
5 |
| Shinwa Controls Co., Ltd. | 175 |
5 |
| Samsung Electronics Co., Ltd. | 159755 |
4 |
| Johnson Controls Technology Company | 1369 |
4 |
| Heatcraft Refrigeration Products LLC | 282 |
4 |
| Rolls-Royce North American Technologies, Inc. | 1132 |
4 |
| Other owners | 194 |