- 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: 867
10-year publication summary
|
75
|
77
|
67
|
66
|
65
|
45
|
65
|
41
|
44
|
15
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Denso Corporation | 25165 |
53 |
| Mitsubishi Electric Corporation | 47556 |
39 |
| Valeo Systemes Thermiques | 2809 |
31 |
| Daikin Industries, Ltd. | 10375 |
26 |
| Dana Canada Corporation | 270 |
21 |
| Hanon Systems | 2067 |
21 |
| Saudi Arabian Oil Company | 13943 |
20 |
| Zhejiang DunAn Artificial Environment Co., Ltd | 642 |
18 |
| Hamilton Sundstrand Corporation | 5014 |
13 |
| Calsonic Kansei Corporation | 551 |
13 |
| Sanden Corporation | 1005 |
12 |
| Sanhua (Hangzhou) Micro Channel Heat Exchanger Co., Ltd. | 150 |
11 |
| Ebullient, Inc. | 20 |
10 |
| MAHLE International GmbH | 2879 |
9 |
| Carrier Corporation | 3968 |
8 |
| Fondital S.p.A. | 24 |
8 |
| Sanden Holdings Corporation | 208 |
8 |
| Zhejiang Sanhua Automotive Components Co., Ltd. | 320 |
8 |
| Samsung Electronics Co., Ltd. | 153573 |
6 |
| LG Electronics Inc. | 74953 |
6 |
| Other owners | 526 |