- 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: 578
10-year publication summary
|
56
|
46
|
41
|
44
|
44
|
30
|
19
|
31
|
33
|
9
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 48018 |
40 |
| Alfa Laval Corporate AB | 1337 |
19 |
| Daikin Industries, Ltd. | 10499 |
15 |
| Panasonic Intellectual Property Management Co., Ltd. | 33997 |
13 |
| Kyungdong Navien Co., Ltd. | 643 |
13 |
| Modine Manufacturing Company | 302 |
13 |
| Dana Canada Corporation | 268 |
11 |
| Denso Corporation | 25534 |
10 |
| Hamilton Sundstrand Corporation | 5015 |
10 |
| IHI Corporation | 3535 |
10 |
| Valeo Systemes Thermiques | 2825 |
9 |
| Sumitomo Precision Products Co., Ltd. | 325 |
7 |
| Asahi Kasei Fibers Corporation | 92 |
6 |
| Hanon Systems | 2106 |
6 |
| MAHLE International GmbH | 2911 |
6 |
| Nortek Air Solutions Canada, Inc. | 125 |
6 |
| T.RAD Co., Ltd. | 105 |
6 |
| Baltimore Aircoil Company, Inc. | 183 |
5 |
| Coolit Systems Inc. | 77 |
5 |
| Daicel Corporation | 2523 |
5 |
| Other owners | 363 |