- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F25D - Refrigerators; cold rooms; ice-boxes; cooling or freezing apparatus not otherwise provided for
- F25D 17/08 - Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating gas, e.g. by natural convection by forced circulation using ducts
Patent holdings for IPC class F25D 17/08
Total number of patents in this class: 817
10-year publication summary
|
28
|
44
|
54
|
55
|
60
|
59
|
67
|
87
|
98
|
26
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Electronics Inc. | 69257 |
140 |
| Haier Smart Home Co., Ltd. | 4882 |
76 |
| Qingdao Haier Refrigerator Co., Ltd | 1378 |
71 |
| Samsung Electronics Co., Ltd. | 131630 |
50 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
44 |
| Mitsubishi Electric Corporation | 43934 |
37 |
| Qingdao Haier Joint Stock Co., Ltd. | 598 |
20 |
| Sharp Kabushiki Kaisha | 18957 |
17 |
| Whirlpool Corporation | 4238 |
16 |
| Hefei Midea Refrigerator Co., Ltd. | 379 |
15 |
| Hefei Hualing Co., Ltd. | 425 |
14 |
| Midea Group Co., Ltd. | 4025 |
14 |
| Panasonic Corporation | 20786 |
13 |
| Aqua Co., Ltd. | 503 |
10 |
| Arcelik A.S. | 3617 |
8 |
| BSH Hausgeräte GmbH | 5384 |
8 |
| Nidec Sankyo Corporation | 1117 |
8 |
| Qingdao Haier Co., Ltd. | 151 |
8 |
| Hisense Ronshen (Guangdong) Refrigerator Co., Ltd. | 153 |
8 |
| Hitachi Global Life Solutions, Inc. | 212 |
8 |
| Other owners | 232 |