- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F25D - Refrigerators; cold rooms; ice-boxes; cooling or freezing apparatus not otherwise provided for
- F25D 21/02 - Detecting the presence of frost or condensate
Patent holdings for IPC class F25D 21/02
Total number of patents in this class: 204
10-year publication summary
|
15
|
19
|
13
|
20
|
30
|
18
|
13
|
24
|
16
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Electronics Inc. | 69257 |
51 |
| Mitsubishi Electric Corporation | 43934 |
12 |
| Carrier Corporation | 4759 |
11 |
| Lennox Industries Inc. | 1088 |
8 |
| Midea Group Co., Ltd. | 4025 |
5 |
| Texas Instruments Incorporated | 19376 |
4 |
| Azenta US, Inc. | 56 |
4 |
| Samsung Electronics Co., Ltd. | 131630 |
3 |
| Evapco, Inc. | 244 |
3 |
| Güntner GmbH & Co. KG | 54 |
3 |
| Hefei Hualing Co., Ltd. | 425 |
3 |
| Hefei Midea Refrigerator Co., Ltd. | 379 |
3 |
| PepsiCo, Inc. | 2431 |
3 |
| WLI Trading Limited | 45 |
3 |
| International Business Machines Corporation | 60644 |
2 |
| Honeywell International Inc. | 13799 |
2 |
| Airbus Operations GmbH | 3188 |
2 |
| Denso Corporation | 23338 |
2 |
| LG Innotek Co., Ltd. | 6758 |
2 |
| Daikin Industries, Ltd. | 9495 |
2 |
| Other owners | 76 |