- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F28F - Details of heat-exchange or heat-transfer apparatus, of general application
- F28F 9/26 - Arrangements for connecting different sections of heat-exchange elements, e.g. of radiators
Patent holdings for IPC class F28F 9/26
Total number of patents in this class: 858
10-year publication summary
|
54
|
75
|
77
|
67
|
66
|
65
|
45
|
64
|
39
|
40
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Denso Corporation | 24797 |
53 |
| Mitsubishi Electric Corporation | 46973 |
37 |
| Valeo Systemes Thermiques | 2768 |
31 |
| Daikin Industries, Ltd. | 10174 |
25 |
| Dana Canada Corporation | 272 |
21 |
| Hanon Systems | 2009 |
21 |
| Saudi Arabian Oil Company | 13686 |
20 |
| Zhejiang DunAn Artificial Environment Co., Ltd | 595 |
18 |
| Calsonic Kansei Corporation | 568 |
15 |
| Hamilton Sundstrand Corporation | 4956 |
13 |
| Sanden Corporation | 979 |
11 |
| Sanhua (Hangzhou) Micro Channel Heat Exchanger Co., Ltd. | 146 |
11 |
| Ebullient, Inc. | 19 |
9 |
| MAHLE International GmbH | 2838 |
9 |
| Carrier Corporation | 4007 |
8 |
| Fondital S.p.A. | 24 |
8 |
| Sanden Holdings Corporation | 208 |
8 |
| Zhejiang Sanhua Automotive Components Co., Ltd. | 309 |
8 |
| Samsung Electronics Co., Ltd. | 149198 |
6 |
| LG Electronics Inc. | 73825 |
6 |
| Other owners | 520 |