- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F25D - Refrigerators; cold rooms; ice-boxes; cooling or freezing apparatus not otherwise provided for
- F25D 21/06 - Removing frost
Patent holdings for IPC class F25D 21/06
Total number of patents in this class: 423
10-year publication summary
33
|
34
|
33
|
29
|
25
|
25
|
8
|
18
|
26
|
8
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
LG Electronics Inc. | 69257 |
49 |
Mitsubishi Electric Corporation | 43934 |
39 |
Daikin Industries, Ltd. | 9495 |
17 |
Haier Smart Home Co., Ltd. | 4882 |
16 |
Panasonic Intellectual Property Management Co., Ltd. | 27812 |
15 |
Carrier Corporation | 4759 |
15 |
Qingdao Haier Refrigerator Co., Ltd | 1378 |
15 |
Samsung Electronics Co., Ltd. | 131630 |
10 |
Hefei Hualing Co., Ltd. | 425 |
10 |
Hefei Midea Refrigerator Co., Ltd. | 379 |
10 |
Qingdao Haier Joint Stock Co., Ltd. | 598 |
9 |
Mayekawa Mfg. Co., Ltd. | 327 |
8 |
Midea Group Co., Ltd. | 4025 |
8 |
BSH Hausgeräte GmbH | 5384 |
7 |
Denso Corporation | 23338 |
6 |
Lennox Industries Inc. | 1088 |
6 |
Electrolux Home Products, Inc. | 1220 |
5 |
Fujitsu General Limited | 541 |
5 |
Aqua Co., Ltd. | 503 |
5 |
Ford Global Technologies, LLC | 19702 |
4 |
Other owners | 164 |