- 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: 1358
10-year publication summary
|
97
|
112
|
115
|
120
|
126
|
84
|
76
|
69
|
79
|
10
|
| 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 | 47302 |
101 |
| Denso Corporation | 24965 |
58 |
| Dana Canada Corporation | 271 |
50 |
| Daikin Industries, Ltd. | 10214 |
46 |
| Panasonic Intellectual Property Management Co., Ltd. | 32904 |
32 |
| T.RAD Co., Ltd. | 100 |
25 |
| Valeo Systemes Thermiques | 2792 |
24 |
| Danfoss A/S | 1378 |
24 |
| IHI Corporation | 3491 |
23 |
| MAHLE International GmbH | 2841 |
23 |
| Hamilton Sundstrand Corporation | 4994 |
20 |
| Hanon Systems | 2034 |
18 |
| Modine Manufacturing Company | 308 |
15 |
| Shinko Electric Industries Co., Ltd. | 1214 |
14 |
| Hisaka Works, Ltd. | 33 |
13 |
| Fujitsu General Limited | 631 |
10 |
| Sumitomo Precision Products Co., Ltd. | 316 |
10 |
| SWEP International AB | 103 |
10 |
| T. Rad Co., Ltd. | 30 |
10 |
| Other owners | 688 |