- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F25B - Refrigeration machines, plants or systems; combined heating and refrigeration systems; heat 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: 695
10-year publication summary
|
55
|
72
|
71
|
62
|
65
|
92
|
89
|
82
|
82
|
10
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 44851 |
120 |
| Daikin Industries, Ltd. | 9838 |
64 |
| LG Electronics Inc. | 71039 |
48 |
| Carrier Corporation | 4451 |
33 |
| Copeland LP | 674 |
28 |
| Trane International Inc. | 1153 |
25 |
| Samsung Electronics Co., Ltd. | 139001 |
18 |
| Toyota Industries Corporation | 1057 |
17 |
| Johnson Controls Tyco IP Holdings LLP | 715 |
16 |
| Danfoss A/S | 1320 |
15 |
| Hanon Systems | 1819 |
14 |
| Panasonic Corporation | 20315 |
11 |
| Bitzer Kuehlmaschinenbau GmbH | 146 |
10 |
| GREE Electric Appliances, Inc. of Zhuhai | 3154 |
9 |
| Toshiba Carrier Corporation | 516 |
9 |
| Fujitsu General Limited | 579 |
8 |
| Panasonic Intellectual Property Management Co., Ltd. | 29733 |
7 |
| BSH Hausgeräte GmbH | 5455 |
7 |
| Guangdong Meizhi Compressor Co., Ltd. | 174 |
7 |
| Whirlpool S.A. | 368 |
7 |
| Other owners | 222 |