- 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: 577
10-year publication summary
|
49
|
54
|
54
|
46
|
47
|
37
|
65
|
36
|
31
|
21
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Electronics Inc. | 76219 |
135 |
| Samsung Electronics Co., Ltd. | 159298 |
41 |
| Haier Smart Home Co., Ltd. | 5752 |
38 |
| Qingdao Haier Refrigerator Co., Ltd | 1658 |
36 |
| Mitsubishi Electric Corporation | 48409 |
31 |
| BSH Bosch und Siemens Hausgerate GmbH | 2386 |
19 |
| BSH Hausgeräte GmbH | 5665 |
19 |
| Carrier Corporation | 3962 |
17 |
| Panasonic Intellectual Property Management Co., Ltd. | 34568 |
15 |
| Haier US Appliance Solutions, Inc. | 4147 |
12 |
| Arcelik A.S. | 3366 |
11 |
| Electrolux Consumer Products, Inc. | 841 |
8 |
| Panasonic Corporation | 18658 |
7 |
| Midea Group Co., Ltd. | 5083 |
7 |
| Hefei Hualing Co., Ltd. | 579 |
6 |
| Hefei Midea Refrigerator Co., Ltd. | 534 |
6 |
| Aqua Co., Ltd. | 551 |
6 |
| PHC Holdings Corporation | 711 |
6 |
| Betterfrost Technologies Inc. | 21 |
5 |
| Illinois Tool Works Inc. | 11894 |
4 |
| Other owners | 148 |