- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- 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: 779
10-year publication summary
|
87
|
66
|
58
|
65
|
55
|
51
|
51
|
48
|
52
|
20
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Valeo Systemes Thermiques | 2825 |
21 |
| Mitsubishi Electric Corporation | 48018 |
18 |
| Fractal Heatsink Technologies, LLC | 21 |
16 |
| General Electric Company | 13899 |
15 |
| Dana Canada Corporation | 268 |
15 |
| MAHLE International GmbH | 2911 |
12 |
| Hamilton Sundstrand Corporation | 5015 |
10 |
| Pratt & Whitney Canada Corp. | 5479 |
9 |
| Denso Corporation | 25534 |
9 |
| Kyungdong Navien Co., Ltd. | 643 |
9 |
| Carrier Corporation | 3955 |
8 |
| Calsonic Kansei Corporation | 526 |
8 |
| Lennox Industries Inc. | 1105 |
8 |
| Kyocera Corporation | 14359 |
6 |
| China Petroleum & Chemical Corporation | 2152 |
6 |
| LG Electronics Inc. | 75694 |
5 |
| ABEC, Inc. | 54 |
5 |
| AIC S.A. | 52 |
5 |
| Beijing Research Institute of Chemical Industry, China Petroleum & Chemical Corporation | 293 |
5 |
| Schlumberger Technology Corporation | 11818 |
4 |
| Other owners | 585 |