- 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: 1293
10-year publication summary
|
85
|
102
|
119
|
119
|
124
|
128
|
91
|
76
|
68
|
10
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Alfa Laval Corporate AB | 1305 |
142 |
| Mitsubishi Electric Corporation | 44851 |
99 |
| Denso Corporation | 23769 |
57 |
| Dana Canada Corporation | 276 |
53 |
| Daikin Industries, Ltd. | 9838 |
39 |
| Panasonic Intellectual Property Management Co., Ltd. | 29733 |
31 |
| IHI Corporation | 3359 |
23 |
| T.RAD Co., Ltd. | 98 |
23 |
| MAHLE International GmbH | 2705 |
21 |
| Hamilton Sundstrand Corporation | 4728 |
20 |
| Danfoss A/S | 1320 |
20 |
| Valeo Systemes Thermiques | 2600 |
19 |
| Modine Manufacturing Company | 299 |
15 |
| Shinko Electric Industries Co., Ltd. | 1185 |
14 |
| Hanon Systems | 1819 |
14 |
| Hisaka Works, Ltd. | 32 |
12 |
| SWEP International AB | 107 |
12 |
| Sumitomo Precision Products Co., Ltd. | 293 |
10 |
| Kabushiki Kaisha Toyota Jidoshokki | 1730 |
9 |
| Asia Vital Components Co., Ltd. | 402 |
8 |
| Other owners | 652 |