- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- 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: 812
10-year publication summary
|
70
|
58
|
83
|
79
|
67
|
71
|
65
|
45
|
60
|
14
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Denso Corporation | 23338 |
52 |
| Mitsubishi Electric Corporation | 43934 |
33 |
| Valeo Systemes Thermiques | 2471 |
25 |
| Daikin Industries, Ltd. | 9495 |
23 |
| Dana Canada Corporation | 284 |
23 |
| Hanon Systems | 1632 |
20 |
| Saudi Arabian Oil Company | 11322 |
20 |
| Zhejiang DunAn Artificial Environment Co., Ltd | 394 |
17 |
| Calsonic Kansei Corporation | 686 |
16 |
| Hamilton Sundstrand Corporation | 4525 |
12 |
| MAHLE International GmbH | 2670 |
9 |
| Sanden Corporation | 859 |
9 |
| Sanhua (Hangzhou) Micro Channel Heat Exchanger Co., Ltd. | 110 |
9 |
| Carrier Corporation | 4759 |
8 |
| Ebullient, Inc. | 18 |
8 |
| Fondital S.p.A. | 24 |
8 |
| Sanden Holdings Corporation | 216 |
8 |
| General Electric Technology GmbH | 1657 |
7 |
| T.RAD Co., Ltd. | 101 |
7 |
| LG Electronics Inc. | 69257 |
6 |
| Other owners | 492 |