- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F28F - Details of heat-exchange or heat-transfer apparatus, of general application
- F28F 9/12 - Arrangements for sealing elements into header boxes or end plates by dismountable joints by flange-type connections
Patent holdings for IPC class F28F 9/12
Total number of patents in this class: 35
10-year publication summary
|
3
|
5
|
9
|
4
|
0
|
2
|
1
|
2
|
1
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| IHI Corporation | 3449 |
6 |
| Dana Canada Corporation | 273 |
2 |
| Hanon Systems | 1968 |
2 |
| L & M Radiator, Inc. | 26 |
2 |
| MAHLE Behr GmbH & Co. KG | 49 |
2 |
| SPX FLOW, Inc. | 129 |
2 |
| Mitsubishi Heavy Industries, Ltd. | 8777 |
1 |
| DENSO International America, Inc. | 616 |
1 |
| Nissan Motor Co., Ltd. | 12519 |
1 |
| JATCO Ltd | 1264 |
1 |
| Air Products and Chemicals, Inc. | 1443 |
1 |
| Burnham Services, Inc. | 43 |
1 |
| C.R.F. Societa Consortile per Azioni | 381 |
1 |
| MAHLE International GmbH | 2778 |
1 |
| Modine Manufacturing Company | 308 |
1 |
| SGL Carbon SE | 390 |
1 |
| T. Rad Co., Ltd. | 29 |
1 |
| T.RAD Co., Ltd. | 100 |
1 |
| Valeo Systemes Thermiques | 2737 |
1 |
| Volkswagen AG | 7343 |
1 |
| Other owners | 5 |