- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F28F - Details of heat-exchange or heat-transfer apparatus, of general application
- F28F 13/06 - Arrangements for modifying heat transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media
Patent holdings for IPC class F28F 13/06
Total number of patents in this class: 578
10-year publication summary
|
65
|
71
|
64
|
52
|
59
|
45
|
34
|
22
|
30
|
12
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hamilton Sundstrand Corporation | 4906 |
12 |
| Dana Canada Corporation | 273 |
12 |
| Hanon Systems | 1970 |
11 |
| Valeo Systemes Thermiques | 2737 |
10 |
| Rtx Corporation | 9429 |
9 |
| Delta Electronics, Inc. | 2633 |
8 |
| Asia Vital Components Co., Ltd. | 410 |
7 |
| Kyungdong Navien Co., Ltd. | 618 |
7 |
| General Electric Company | 13827 |
6 |
| New Power Concepts LLC | 27 |
6 |
| Denso Corporation | 24404 |
5 |
| DENSO International America, Inc. | 617 |
5 |
| Mitsubishi Electric Corporation | 46346 |
5 |
| NGK Insulators, Ltd. | 4995 |
5 |
| Daikin Industries, Ltd. | 10058 |
5 |
| Fractal Heatsink Technologies, LLC | 21 |
5 |
| Microfabrica Inc. | 121 |
5 |
| Trane International Inc. | 1193 |
5 |
| The Boeing Company | 20098 |
4 |
| Cooler Master Co., Ltd. | 231 |
4 |
| Other owners | 442 |