- 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: 554
10-year publication summary
|
22
|
49
|
53
|
53
|
44
|
47
|
36
|
64
|
35
|
27
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Electronics Inc. | 73690 |
133 |
| Haier Smart Home Co., Ltd. | 5495 |
38 |
| Qingdao Haier Refrigerator Co., Ltd | 1580 |
36 |
| Samsung Electronics Co., Ltd. | 147983 |
32 |
| Mitsubishi Electric Corporation | 46590 |
31 |
| BSH Bosch und Siemens Hausgerate GmbH | 2781 |
21 |
| Carrier Corporation | 4299 |
17 |
| BSH Hausgeräte GmbH | 5543 |
16 |
| Panasonic Intellectual Property Management Co., Ltd. | 32105 |
15 |
| Arcelik A.S. | 3487 |
11 |
| Haier US Appliance Solutions, Inc. | 3709 |
11 |
| Panasonic Corporation | 20030 |
7 |
| Aqua Co., Ltd. | 534 |
6 |
| PHC Holdings Corporation | 719 |
6 |
| Electrolux Consumer Products, Inc. | 822 |
6 |
| Midea Group Co., Ltd. | 4618 |
5 |
| Illinois Tool Works Inc. | 11519 |
4 |
| Whirlpool Corporation | 4437 |
4 |
| Güntner GmbH & Co. KG | 61 |
4 |
| Hefei Hualing Co., Ltd. | 499 |
4 |
| Other owners | 147 |