- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F25D - Refrigeratorscold roomsice-boxescooling or freezing apparatus not otherwise provided for
- F25D 21/08 - Removing frost by electric heating
Patent holdings for IPC class F25D 21/08
Total number of patents in this class: 559
10-year publication summary
|
49
|
53
|
53
|
44
|
47
|
36
|
64
|
36
|
30
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Electronics Inc. | 74262 |
134 |
| Haier Smart Home Co., Ltd. | 5589 |
38 |
| Qingdao Haier Refrigerator Co., Ltd | 1614 |
36 |
| Samsung Electronics Co., Ltd. | 151017 |
34 |
| Mitsubishi Electric Corporation | 47302 |
31 |
| BSH Bosch und Siemens Hausgerate GmbH | 2655 |
21 |
| Carrier Corporation | 3975 |
17 |
| BSH Hausgeräte GmbH | 5566 |
17 |
| Panasonic Intellectual Property Management Co., Ltd. | 32904 |
15 |
| Arcelik A.S. | 3417 |
11 |
| Haier US Appliance Solutions, Inc. | 3868 |
11 |
| Panasonic Corporation | 19890 |
7 |
| Aqua Co., Ltd. | 542 |
6 |
| PHC Holdings Corporation | 715 |
6 |
| Electrolux Consumer Products, Inc. | 834 |
6 |
| Midea Group Co., Ltd. | 4729 |
5 |
| Betterfrost Technologies Inc. | 18 |
5 |
| Illinois Tool Works Inc. | 11652 |
4 |
| Whirlpool Corporation | 4508 |
4 |
| Güntner GmbH & Co. KG | 61 |
4 |
| Other owners | 147 |