- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- 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: 559
10-year publication summary
|
70
|
66
|
76
|
68
|
53
|
61
|
44
|
37
|
21
|
7
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hamilton Sundstrand Corporation | 4525 |
12 |
| Dana Canada Corporation | 284 |
12 |
| Johnson Controls Tyco IP Holdings LLP | 1584 |
9 |
| Delta Electronics, Inc. | 2401 |
8 |
| Asia Vital Components Co., Ltd. | 413 |
7 |
| Kyungdong Navien Co., Ltd. | 566 |
7 |
| Valeo Systemes Thermiques | 2471 |
7 |
| Rtx Corporation | 8674 |
7 |
| Daikin Industries, Ltd. | 9495 |
6 |
| Hanon Systems | 1632 |
6 |
| Microfabrica Inc. | 138 |
6 |
| New Power Concepts LLC | 29 |
6 |
| General Electric Company | 18133 |
5 |
| Denso Corporation | 23338 |
5 |
| Mitsubishi Electric Corporation | 43934 |
5 |
| Trane International Inc. | 1123 |
5 |
| Unical AG S.p.A. | 60 |
5 |
| The Boeing Company | 19843 |
4 |
| DENSO International America, Inc. | 609 |
4 |
| NGK Insulators, Ltd. | 4589 |
4 |
| Other owners | 429 |