- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- 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: 1251
10-year publication summary
|
86
|
85
|
102
|
119
|
119
|
124
|
128
|
90
|
75
|
13
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Alfa Laval Corporate AB | 1265 |
137 |
| Mitsubishi Electric Corporation | 43934 |
95 |
| Dana Canada Corporation | 284 |
57 |
| Denso Corporation | 23338 |
56 |
| Daikin Industries, Ltd. | 9495 |
33 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
29 |
| T.RAD Co., Ltd. | 101 |
27 |
| IHI Corporation | 3268 |
23 |
| Hamilton Sundstrand Corporation | 4525 |
19 |
| MAHLE International GmbH | 2670 |
19 |
| Valeo Systemes Thermiques | 2471 |
18 |
| Danfoss A/S | 1259 |
17 |
| Modine Manufacturing Company | 305 |
15 |
| Shinko Electric Industries Co., Ltd. | 1186 |
14 |
| Hisaka Works, Ltd. | 34 |
12 |
| SWEP International AB | 109 |
12 |
| Sumitomo Precision Products Co., Ltd. | 273 |
10 |
| Hanon Systems | 1632 |
9 |
| Kabushiki Kaisha Toyota Jidoshokki | 1699 |
9 |
| Asia Vital Components Co., Ltd. | 413 |
8 |
| Other owners | 632 |