- 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: 872
10-year publication summary
|
83
|
79
|
67
|
71
|
65
|
45
|
69
|
42
|
48
|
24
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Denso Corporation | 25513 |
53 |
| Mitsubishi Electric Corporation | 47971 |
40 |
| Valeo Systemes Thermiques | 2825 |
32 |
| Daikin Industries, Ltd. | 10478 |
26 |
| Dana Canada Corporation | 268 |
21 |
| Hanon Systems | 2106 |
21 |
| Saudi Arabian Oil Company | 14207 |
20 |
| Zhejiang DunAn Artificial Environment Co., Ltd | 699 |
19 |
| Hamilton Sundstrand Corporation | 5016 |
13 |
| Calsonic Kansei Corporation | 527 |
12 |
| Sanden Corporation | 1030 |
12 |
| Sanhua (Hangzhou) Micro Channel Heat Exchanger Co., Ltd. | 156 |
11 |
| Ebullient, Inc. | 20 |
10 |
| MAHLE International GmbH | 2911 |
9 |
| Carrier Corporation | 3958 |
8 |
| Fondital S.p.A. | 24 |
8 |
| Sanden Holdings Corporation | 208 |
8 |
| Zhejiang Sanhua Automotive Components Co., Ltd. | 330 |
8 |
| Samsung Electronics Co., Ltd. | 157557 |
6 |
| LG Electronics Inc. | 75654 |
6 |
| Other owners | 529 |