- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F28F - Details of heat-exchange or heat-transfer apparatus, of general application
- F28F 27/02 - Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus for controlling the distribution of heat-exchange media between different channels
Patent holdings for IPC class F28F 27/02
Total number of patents in this class: 871
10-year publication summary
|
76
|
83
|
95
|
64
|
58
|
59
|
46
|
46
|
33
|
36
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hamilton Sundstrand Corporation | 4956 |
31 |
| Dana Canada Corporation | 272 |
29 |
| Hyundai Motor Company | 22842 |
20 |
| Valeo Systemes Thermiques | 2768 |
20 |
| Denso Corporation | 24797 |
14 |
| Linde Aktiengesellschaft | 1483 |
12 |
| Ford Global Technologies, LLC | 20949 |
11 |
| Daikin Industries, Ltd. | 10174 |
10 |
| Alfa Laval Corporate AB | 1327 |
10 |
| General Electric Company | 13830 |
9 |
| LG Electronics Inc. | 73825 |
9 |
| Carrier Corporation | 4007 |
9 |
| Mitsubishi Electric Corporation | 46973 |
8 |
| Kia Motors Corporation | 7743 |
8 |
| Behr GmbH & Co. KG | 274 |
8 |
| Hanon Systems | 2009 |
8 |
| The Boeing Company | 20186 |
7 |
| Pratt & Whitney Canada Corp. | 4958 |
7 |
| Applied Materials, Inc. | 19298 |
7 |
| Johnson Controls Technology Company | 1413 |
7 |
| Other owners | 627 |