- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F25D - Refrigeratorscold roomsice-boxescooling 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: 219
10-year publication summary
|
13
|
20
|
30
|
18
|
13
|
24
|
16
|
6
|
17
|
7
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Electronics Inc. | 75910 |
53 |
| Samsung Electronics Co., Ltd. | 158605 |
14 |
| Mitsubishi Electric Corporation | 48236 |
11 |
| Carrier Corporation | 3950 |
11 |
| Lennox Industries Inc. | 1114 |
6 |
| Texas Instruments Incorporated | 19639 |
5 |
| Güntner GmbH & Co. KG | 59 |
5 |
| Midea Group Co., Ltd. | 5060 |
5 |
| Azenta US, Inc. | 75 |
5 |
| Evapco, Inc. | 311 |
3 |
| Hefei Hualing Co., Ltd. | 574 |
3 |
| Hefei Midea Refrigerator Co., Ltd. | 529 |
3 |
| PepsiCo, Inc. | 2403 |
3 |
| WLI Trading Limited | 39 |
3 |
| International Business Machines Corporation | 62754 |
2 |
| Honeywell International Inc. | 12770 |
2 |
| Airbus Operations GmbH | 3457 |
2 |
| Denso Corporation | 25676 |
2 |
| LG Innotek Co., Ltd. | 8525 |
2 |
| Daikin Industries, Ltd. | 10513 |
2 |
| Other owners | 77 |