- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F28F - Details of heat-exchange or heat-transfer apparatus, of general application
- F28F 9/24 - Arrangements for promoting turbulent flow of heat-exchange media, e.g. by plates
Patent holdings for IPC class F28F 9/24
Total number of patents in this class: 95
10-year publication summary
|
4
|
5
|
12
|
10
|
10
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12
|
10
|
8
|
5
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kyungdong Navien Co., Ltd. | 600 |
7 |
| GREE Electric Appliances, Inc. of Zhuhai | 3204 |
4 |
| Mitsubishi Electric Corporation | 45646 |
3 |
| Carrier Corporation | 4378 |
3 |
| Xi'an Jiaotong University | 648 |
3 |
| Mitsubishi Heavy Industries, Ltd. | 8608 |
2 |
| Hamilton Sundstrand Corporation | 4823 |
2 |
| Calsonic Kansei Corporation | 662 |
2 |
| Dana Canada Corporation | 275 |
2 |
| Holtec International, Inc. | 270 |
2 |
| Intellihot, Inc. | 132 |
2 |
| MAHLE International GmbH | 2737 |
2 |
| Modine Manufacturing Company | 305 |
2 |
| Rheem Manufacturing Company | 963 |
2 |
| Vysoke Uceni Technicke V Brne | 49 |
2 |
| Rtx Corporation | 9280 |
2 |
| The Challenge Petrochemical Machinery Corporation of Maoming (cpm) | 2 |
2 |
| Hitachi, Ltd. | 15383 |
1 |
| Denso Corporation | 24058 |
1 |
| Hyundai Motor Company | 21406 |
1 |
| Other owners | 48 |