- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F25B - Refrigeration machines, plants or systems; combined heating and refrigeration systems; heat pump systems
- F25B 21/00 - Machines, plants or systems, using electric or magnetic effects
Patent holdings for IPC class F25B 21/00
Total number of patents in this class: 785
10-year publication summary
|
66
|
70
|
73
|
80
|
75
|
68
|
42
|
38
|
48
|
8
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Haier US Appliance Solutions, Inc. | 3359 |
61 |
| Daikin Industries, Ltd. | 9838 |
31 |
| Carrier Corporation | 4451 |
30 |
| Cooltech Applications S.A.S. | 30 |
24 |
| Samsung Electronics Co., Ltd. | 139001 |
17 |
| Mitsubishi Electric Corporation | 44851 |
17 |
| Sanden Holdings Corporation | 208 |
16 |
| Denso Corporation | 23769 |
15 |
| BASF SE | 20432 |
13 |
| Haier Smart Home Co., Ltd. | 5310 |
13 |
| Astronautics Corporation of America | 36 |
12 |
| Magnoric | 13 |
12 |
| The Regents of the University of California | 19517 |
11 |
| Toshiba Corporation | 12051 |
11 |
| National Institute for Materials Science | 1108 |
11 |
| Qingdao Haier Refrigerator Co., Ltd | 1516 |
11 |
| United Technologies Corporation | 2259 |
10 |
| Nissan Motor Co., Ltd. | 12352 |
10 |
| Vacuumschmelze GmbH & Co. KG | 263 |
10 |
| Murata Manufacturing Co., Ltd. | 23702 |
9 |
| Other owners | 441 |