- 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: 557
10-year publication summary
|
63
|
56
|
46
|
41
|
44
|
44
|
29
|
15
|
29
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 44904 |
38 |
| Alfa Laval Corporate AB | 1305 |
19 |
| Kyungdong Navien Co., Ltd. | 593 |
14 |
| Modine Manufacturing Company | 299 |
14 |
| Panasonic Intellectual Property Management Co., Ltd. | 29800 |
13 |
| Daikin Industries, Ltd. | 9851 |
12 |
| Dana Canada Corporation | 276 |
11 |
| IHI Corporation | 3366 |
10 |
| Denso Corporation | 23803 |
9 |
| Hamilton Sundstrand Corporation | 4737 |
9 |
| Valeo Systemes Thermiques | 2603 |
8 |
| Sumitomo Precision Products Co., Ltd. | 293 |
7 |
| Asahi Kasei Fibers Corporation | 104 |
6 |
| Hanon Systems | 1827 |
6 |
| Nortek Air Solutions Canada, Inc. | 120 |
6 |
| Baltimore Aircoil Company, Inc. | 164 |
5 |
| Daicel Corporation | 2247 |
5 |
| MAHLE International GmbH | 2703 |
5 |
| Mitsubishi Paper Mills Limited | 234 |
5 |
| Zhejiang Sanhua Automotive Components Co., Ltd. | 278 |
5 |
| Other owners | 350 |