- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F28F - Details of heat-exchange or heat-transfer apparatus, of general application
- F28F 3/00 - Plate-like or laminated elementsAssemblies of plate-like or laminated elements
Patent holdings for IPC class F28F 3/00
Total number of patents in this class: 560
10-year publication summary
|
63
|
56
|
46
|
41
|
44
|
44
|
30
|
17
|
29
|
15
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 45752 |
39 |
| Alfa Laval Corporate AB | 1302 |
19 |
| Kyungdong Navien Co., Ltd. | 602 |
14 |
| Modine Manufacturing Company | 308 |
14 |
| Panasonic Intellectual Property Management Co., Ltd. | 30903 |
13 |
| Daikin Industries, Ltd. | 9951 |
12 |
| Dana Canada Corporation | 274 |
11 |
| Denso Corporation | 24099 |
10 |
| Hamilton Sundstrand Corporation | 4826 |
10 |
| IHI Corporation | 3405 |
10 |
| Valeo Systemes Thermiques | 2689 |
8 |
| Sumitomo Precision Products Co., Ltd. | 297 |
7 |
| Asahi Kasei Fibers Corporation | 99 |
6 |
| Hanon Systems | 1885 |
6 |
| MAHLE International GmbH | 2740 |
6 |
| Nortek Air Solutions Canada, Inc. | 121 |
6 |
| T.RAD Co., Ltd. | 99 |
6 |
| Baltimore Aircoil Company, Inc. | 171 |
5 |
| Daicel Corporation | 2327 |
5 |
| Zhejiang Sanhua Automotive Components Co., Ltd. | 293 |
5 |
| Other owners | 348 |