- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F25B - Refrigeration machines, plants or systemscombined heating and refrigeration systemsheat pump systems
- F25B 31/02 - Compressor arrangements of motor-compressor units
Patent holdings for IPC class F25B 31/02
Total number of patents in this class: 854
10-year publication summary
|
72
|
71
|
62
|
65
|
90
|
92
|
89
|
84
|
97
|
61
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 48287 |
128 |
| Daikin Industries, Ltd. | 10509 |
84 |
| LG Electronics Inc. | 75973 |
54 |
| Carrier Corporation | 3954 |
37 |
| Copeland LP | 710 |
31 |
| Trane International Inc. | 1238 |
29 |
| Samsung Electronics Co., Ltd. | 158842 |
25 |
| Tyco Fire & Security GmbH | 3672 |
23 |
| Toyota Industries Corporation | 1224 |
22 |
| Danfoss A/S | 1447 |
19 |
| Hanon Systems | 2133 |
17 |
| Bitzer Kuehlmaschinenbau GmbH | 158 |
14 |
| Carrier Japan Corporation | 158 |
12 |
| Panasonic Corporation | 18751 |
11 |
| Aichi Electric Co., Ltd. | 24 |
11 |
| Fujitsu General Limited | 604 |
11 |
| GREE Electric Appliances, Inc. of Zhuhai | 3320 |
10 |
| Mitsubishi Heavy Industries Thermal Systems, Ltd. | 986 |
10 |
| Panasonic Intellectual Property Management Co., Ltd. | 34403 |
9 |
| Guangdong Meizhi Compressor Co., Ltd. | 218 |
9 |
| Other owners | 288 |