- 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: 1381
10-year publication summary
|
102
|
119
|
119
|
124
|
129
|
91
|
81
|
71
|
84
|
39
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Alfa Laval Corporate AB | 1336 |
143 |
| Mitsubishi Electric Corporation | 48048 |
101 |
| Denso Corporation | 25579 |
58 |
| Daikin Industries, Ltd. | 10504 |
51 |
| Dana Canada Corporation | 268 |
49 |
| Panasonic Intellectual Property Management Co., Ltd. | 34035 |
33 |
| MAHLE International GmbH | 2917 |
25 |
| T.RAD Co., Ltd. | 105 |
25 |
| Valeo Systemes Thermiques | 2825 |
24 |
| Danfoss A/S | 1436 |
24 |
| IHI Corporation | 3535 |
23 |
| Hamilton Sundstrand Corporation | 5014 |
20 |
| Hanon Systems | 2108 |
19 |
| Modine Manufacturing Company | 301 |
15 |
| Shinko Electric Industries Co., Ltd. | 1231 |
14 |
| Hisaka Works, Ltd. | 32 |
12 |
| Fujitsu General Limited | 597 |
10 |
| Sumitomo Precision Products Co., Ltd. | 326 |
10 |
| SWEP International AB | 103 |
10 |
| T. Rad Co., Ltd. | 30 |
10 |
| Other owners | 705 |