- 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: 894
10-year publication summary
|
88
|
99
|
65
|
65
|
62
|
49
|
48
|
37
|
40
|
31
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hamilton Sundstrand Corporation | 5013 |
31 |
| Dana Canada Corporation | 267 |
29 |
| Hyundai Motor Company | 24852 |
20 |
| Valeo Systemes Thermiques | 2821 |
20 |
| Denso Corporation | 25676 |
14 |
| Linde Aktiengesellschaft | 1416 |
12 |
| Ford Global Technologies, LLC | 21582 |
11 |
| Daikin Industries, Ltd. | 10513 |
10 |
| Alfa Laval Corporate AB | 1343 |
10 |
| Zhejiang Sanhua Automotive Components Co., Ltd. | 336 |
10 |
| General Electric Company | 13938 |
9 |
| LG Electronics Inc. | 75910 |
9 |
| Pratt & Whitney Canada Corp. | 5523 |
9 |
| Carrier Corporation | 3950 |
9 |
| Mitsubishi Electric Corporation | 48236 |
8 |
| Kia Motors Corporation | 7717 |
8 |
| Hanon Systems | 2129 |
8 |
| Toyota Motor Corporation | 35992 |
7 |
| The Boeing Company | 20196 |
7 |
| Applied Materials, Inc. | 20514 |
7 |
| Other owners | 646 |