- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F28F - Details of heat-exchange or heat-transfer apparatus, of general application
- F28F 3/08 - Elements constructed for building-up into stacks, e.g. capable of being taken apart for cleaning
Patent holdings for IPC class F28F 3/08
Total number of patents in this class: 1353
10-year publication summary
|
97
|
112
|
115
|
120
|
126
|
84
|
76
|
68
|
79
|
6
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Alfa Laval Corporate AB | 1330 |
144 |
| Mitsubishi Electric Corporation | 47240 |
101 |
| Denso Corporation | 24933 |
58 |
| Dana Canada Corporation | 272 |
50 |
| Daikin Industries, Ltd. | 10200 |
44 |
| Panasonic Intellectual Property Management Co., Ltd. | 32795 |
32 |
| T.RAD Co., Ltd. | 100 |
25 |
| Valeo Systemes Thermiques | 2783 |
24 |
| Danfoss A/S | 1377 |
24 |
| IHI Corporation | 3485 |
23 |
| MAHLE International GmbH | 2837 |
23 |
| Hamilton Sundstrand Corporation | 4989 |
20 |
| Hanon Systems | 2030 |
18 |
| Modine Manufacturing Company | 309 |
15 |
| Shinko Electric Industries Co., Ltd. | 1217 |
14 |
| Hisaka Works, Ltd. | 32 |
13 |
| Fujitsu General Limited | 627 |
10 |
| Sumitomo Precision Products Co., Ltd. | 316 |
10 |
| SWEP International AB | 103 |
10 |
| Zhejiang Sanhua Automotive Components Co., Ltd. | 310 |
10 |
| Other owners | 685 |