- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F28F - Details of heat-exchange or heat-transfer apparatus, of general application
- F28F 13/12 - Arrangements for modifying heat transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media by creating turbulence, e.g. by stirring, by increasing the force of circulation
Patent holdings for IPC class F28F 13/12
Total number of patents in this class: 685
10-year publication summary
|
66
|
70
|
87
|
66
|
58
|
64
|
54
|
48
|
47
|
8
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 43934 |
17 |
| Dana Canada Corporation | 284 |
17 |
| General Electric Company | 18133 |
16 |
| Valeo Systemes Thermiques | 2471 |
14 |
| Fractal Heatsink Technologies, LLC | 18 |
12 |
| Hamilton Sundstrand Corporation | 4525 |
10 |
| Calsonic Kansei Corporation | 686 |
10 |
| MAHLE International GmbH | 2670 |
10 |
| Denso Corporation | 23338 |
9 |
| Carrier Corporation | 4759 |
9 |
| Kyungdong Navien Co., Ltd. | 566 |
9 |
| Behr GmbH & Co. KG | 437 |
8 |
| Lennox Industries Inc. | 1088 |
7 |
| Kyocera Corporation | 12735 |
6 |
| LG Electronics Inc. | 69257 |
5 |
| Daikin Industries, Ltd. | 9495 |
5 |
| Rheem Manufacturing Company | 861 |
5 |
| Uop LLC | 4083 |
4 |
| ABEC, Inc. | 37 |
4 |
| AIC S.A. | 50 |
4 |
| Other owners | 504 |